Add sniff timeoit

.gitignore

@@ -14,18 +14,10 @@
 # Dependency directories (remove the comment below to include it)
 # vendor/
 
-# macOS specific files
 *.DS_Store
-
-# IDE specific files
-.idea/
-.vscode/
-
-# Archive files
+.idea
 *.zip
 *.tar.gz
-
-# Binaries
 xray
 xray_softfloat
 mockgen
@@ -34,13 +26,8 @@ vprotogen
 errorgen
 !common/errors/errorgen/
 *.dat
-
-# Build assets
+.vscode
 /build_assets
 
 # Output from dlv test
 **/debug.*
-
-# Certificates
-*.crt
-*.key

README.md

@@ -38,7 +38,6 @@
   - [teddysun/xray](https://hub.docker.com/r/teddysun/xray)
   - [wulabing/xray_docker](https://github.com/wulabing/xray_docker)
 - Web Panel - **WARNING: Please DO NOT USE plain HTTP panels like 3X-UI**, as they are believed to be bribed by Iran GFW for supporting plain HTTP by default and refused to change (https://github.com/XTLS/Xray-core/pull/3884#issuecomment-2439595331), which has already put many users' data security in danger in the past few years. **If you are already using 3X-UI, please switch to the following panels, which are verified to support HTTPS and SSH port forwarding only:**
-  - [Remnawave](https://github.com/remnawave/panel)
   - [Marzban](https://github.com/Gozargah/Marzban)
   - [Xray-UI](https://github.com/qist/xray-ui)
   - [Hiddify](https://github.com/hiddify/Hiddify-Manager)
@@ -86,7 +85,6 @@
   - [X-flutter](https://github.com/XTLS/X-flutter)
   - [SaeedDev94/Xray](https://github.com/SaeedDev94/Xray)
 - iOS & macOS arm64
-  - [Happ](https://apps.apple.com/app/happ-proxy-utility/id6504287215)
   - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
   - [Streisand](https://apps.apple.com/app/streisand/id6450534064)
 - macOS arm64 & x64

app/dispatcher/default.go

@@ -31,10 +31,18 @@ type cachedReader struct {
 	sync.Mutex
 	reader *pipe.Reader
 	cache  buf.MultiBuffer
+
+	ReadBufferTimeout time.Duration
 }
 
 func (r *cachedReader) Cache(b *buf.Buffer) {
-	mb, _ := r.reader.ReadMultiBufferTimeout(time.Millisecond * 100)
+	var timeout time.Duration
+	if r.ReadBufferTimeout == 0 {
+		timeout = time.Millisecond * 100
+	} else {
+		timeout = r.ReadBufferTimeout
+	}
+	mb, _ := r.reader.ReadMultiBufferTimeout(timeout)
 	r.Lock()
 	if !mb.IsEmpty() {
 		r.cache, _ = buf.MergeMulti(r.cache, mb)
@@ -360,6 +368,8 @@ func sniffer(ctx context.Context, cReader *cachedReader, metadataOnly bool, netw
 
 	sniffer := NewSniffer(ctx)
 
+	cReader.ReadBufferTimeout = sniffer.Timeout
+
 	metaresult, metadataErr := sniffer.SniffMetadata(ctx)
 
 	if metadataOnly {

app/dispatcher/sniffer.go

@@ -2,6 +2,7 @@ package dispatcher
 
 import (
 	"context"
+	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -10,6 +11,7 @@ import (
 	"github.com/xtls/xray-core/common/protocol/http"
 	"github.com/xtls/xray-core/common/protocol/quic"
 	"github.com/xtls/xray-core/common/protocol/tls"
+	"github.com/xtls/xray-core/common/session"
 )
 
 type SniffResult interface {
@@ -30,9 +32,11 @@ type protocolSnifferWithMetadata struct {
 
 type Sniffer struct {
 	sniffer []protocolSnifferWithMetadata
+	Timeout time.Duration
 }
 
 func NewSniffer(ctx context.Context) *Sniffer {
+	content := session.ContentFromContext(ctx)
 	ret := &Sniffer{
 		sniffer: []protocolSnifferWithMetadata{
 			{func(c context.Context, b []byte) (SniffResult, error) { return http.SniffHTTP(b, c) }, false, net.Network_TCP},
@@ -41,6 +45,7 @@ func NewSniffer(ctx context.Context) *Sniffer {
 			{func(c context.Context, b []byte) (SniffResult, error) { return quic.SniffQUIC(b) }, false, net.Network_UDP},
 			{func(c context.Context, b []byte) (SniffResult, error) { return bittorrent.SniffUTP(b) }, false, net.Network_UDP},
 		},
+		Timeout: content.SniffingRequest.Timeout,
 	}
 	if sniffer, err := newFakeDNSSniffer(ctx); err == nil {
 		others := ret.sniffer

app/dns/config.pb.go

@@ -135,9 +135,6 @@ type NameServer struct {
 	Geoip             []*router.GeoIP              `protobuf:"bytes,3,rep,name=geoip,proto3" json:"geoip,omitempty"`
 	OriginalRules     []*NameServer_OriginalRule   `protobuf:"bytes,4,rep,name=original_rules,json=originalRules,proto3" json:"original_rules,omitempty"`
 	QueryStrategy     QueryStrategy                `protobuf:"varint,7,opt,name=query_strategy,json=queryStrategy,proto3,enum=xray.app.dns.QueryStrategy" json:"query_strategy,omitempty"`
-	AllowUnexpectedIPs bool                         `protobuf:"varint,8,opt,name=allowUnexpectedIPs,proto3" json:"allowUnexpectedIPs,omitempty"`
-	Tag                string                       `protobuf:"bytes,9,opt,name=tag,proto3" json:"tag,omitempty"`
-	TimeoutMs          uint64                       `protobuf:"varint,10,opt,name=timeoutMs,proto3" json:"timeoutMs,omitempty"`
 }
 
 func (x *NameServer) Reset() {
@@ -219,27 +216,6 @@ func (x *NameServer) GetQueryStrategy() QueryStrategy {
 	return QueryStrategy_USE_IP
 }
 
-func (x *NameServer) GetAllowUnexpectedIPs() bool {
-	if x != nil {
-		return x.AllowUnexpectedIPs
-	}
-	return false
-}
-
-func (x *NameServer) GetTag() string {
-	if x != nil {
-		return x.Tag
-	}
-	return ""
-}
-
-func (x *NameServer) GetTimeoutMs() uint64 {
-	if x != nil {
-		return x.TimeoutMs
-	}
-	return 0
-}
-
 type Config struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -532,7 +508,7 @@ var file_app_dns_config_proto_rawDesc = []byte{
 	0x2e, 0x64, 0x6e, 0x73, 0x1a, 0x1c, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74,
 	0x2f, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x1a, 0x17, 0x61, 0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2f, 0x63,
-	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x92, 0x05, 0x0a, 0x0a,
+	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xb2, 0x04, 0x0a, 0x0a,
 	0x4e, 0x61, 0x6d, 0x65, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x12, 0x33, 0x0a, 0x07, 0x61, 0x64,
 	0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x78, 0x72,
 	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x45, 0x6e,
@@ -558,13 +534,7 @@ var file_app_dns_config_proto_rawDesc = []byte{
 	0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x1b, 0x2e, 0x78,
 	0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x64, 0x6e, 0x73, 0x2e, 0x51, 0x75, 0x65, 0x72,
 	0x79, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x0d, 0x71, 0x75, 0x65, 0x72, 0x79,
-	0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x2e, 0x0a, 0x12, 0x61, 0x6c, 0x6c, 0x6f,
-	0x77, 0x55, 0x6e, 0x65, 0x78, 0x70, 0x65, 0x63, 0x74, 0x65, 0x64, 0x49, 0x50, 0x73, 0x18, 0x08,
-	0x20, 0x01, 0x28, 0x08, 0x52, 0x12, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x55, 0x6e, 0x65, 0x78, 0x70,
-	0x65, 0x63, 0x74, 0x65, 0x64, 0x49, 0x50, 0x73, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18,
-	0x09, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x1c, 0x0a, 0x09, 0x74, 0x69,
-	0x6d, 0x65, 0x6f, 0x75, 0x74, 0x4d, 0x73, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x04, 0x52, 0x09, 0x74,
-	0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x4d, 0x73, 0x1a, 0x5e, 0x0a, 0x0e, 0x50, 0x72, 0x69, 0x6f,
+	0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x1a, 0x5e, 0x0a, 0x0e, 0x50, 0x72, 0x69, 0x6f,
 	0x72, 0x69, 0x74, 0x79, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x12, 0x34, 0x0a, 0x04, 0x74, 0x79,
 	0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x20, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
 	0x61, 0x70, 0x70, 0x2e, 0x64, 0x6e, 0x73, 0x2e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x4d, 0x61,

app/dns/config.proto

@@ -28,9 +28,6 @@ message NameServer {
   repeated xray.app.router.GeoIP geoip = 3;
   repeated OriginalRule original_rules = 4;
   QueryStrategy query_strategy = 7;
-  bool allowUnexpectedIPs = 8;
-  string tag = 9;
-  uint64 timeoutMs = 10;
 }
 
 enum DomainMatchingType {

app/dns/dns.go

@@ -4,7 +4,6 @@ package dns
 import (
 	"context"
 	"fmt"
-	"sort"
 	"strings"
 	"sync"
 
@@ -157,16 +156,16 @@ func (s *DNS) IsOwnLink(ctx context.Context) bool {
 }
 
 // LookupIP implements dns.Client.
-func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, uint32, error) {
+func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, error) {
 	if domain == "" {
-		return nil, 0, errors.New("empty domain name")
+		return nil, errors.New("empty domain name")
 	}
 
 	option.IPv4Enable = option.IPv4Enable && s.ipOption.IPv4Enable
 	option.IPv6Enable = option.IPv6Enable && s.ipOption.IPv6Enable
 
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns.ErrEmptyResponse
+		return nil, dns.ErrEmptyResponse
 	}
 
 	// Normalize the FQDN form query
@@ -177,14 +176,13 @@ func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, uint32, er
 	case addrs == nil: // Domain not recorded in static host
 		break
 	case len(addrs) == 0: // Domain recorded, but no valid IP returned (e.g. IPv4 address with only IPv6 enabled)
-		return nil, 0, dns.ErrEmptyResponse
+		return nil, dns.ErrEmptyResponse
 	case len(addrs) == 1 && addrs[0].Family().IsDomain(): // Domain replacement
 		errors.LogInfo(s.ctx, "domain replaced: ", domain, " -> ", addrs[0].Domain())
 		domain = addrs[0].Domain()
 	default: // Successfully found ip records in static host
 		errors.LogInfo(s.ctx, "returning ", len(addrs), " IP(s) for domain ", domain, " -> ", addrs)
-		ips, err := toNetIP(addrs)
-		return ips, 10, err // Hosts ttl is 10
+		return toNetIP(addrs)
 	}
 
 	// Name servers lookup
@@ -195,9 +193,9 @@ func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, uint32, er
 			errors.LogDebug(s.ctx, "skip DNS resolution for domain ", domain, " at server ", client.Name())
 			continue
 		}
-		ips, ttl, err := client.QueryIP(ctx, domain, option, s.disableCache)
+		ips, err := client.QueryIP(ctx, domain, option, s.disableCache)
 		if len(ips) > 0 {
-			return ips, ttl, nil
+			return ips, nil
 		}
 		if err != nil {
 			errors.LogInfoInner(s.ctx, err, "failed to lookup ip for domain ", domain, " at server ", client.Name())
@@ -205,11 +203,11 @@ func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, uint32, er
 		}
 		// 5 for RcodeRefused in miekg/dns, hardcode to reduce binary size
 		if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch && err != dns.ErrEmptyResponse && dns.RCodeFromError(err) != 5 {
-			return nil, 0, err
+			return nil, err
 		}
 	}
 
-	return nil, 0, errors.New("returning nil for domain ", domain).Base(errors.Combine(errs...))
+	return nil, errors.New("returning nil for domain ", domain).Base(errors.Combine(errs...))
 }
 
 // LookupHosts implements dns.HostsLookup.
@@ -252,11 +250,7 @@ func (s *DNS) sortClients(domain string) []*Client {
 
 	// Priority domain matching
 	hasMatch := false
-	MatchSlice := s.domainMatcher.Match(domain)
-	sort.Slice(MatchSlice, func(i, j int) bool {
-		return MatchSlice[i] < MatchSlice[j]
-	})
-	for _, match := range MatchSlice {
+	for _, match := range s.domainMatcher.Match(domain) {
 		info := s.matcherInfos[match]
 		client := s.clients[info.clientIdx]
 		domainRule := client.domains[info.domainRuleIdx]

app/dns/dns_test.go

@@ -155,7 +155,7 @@ func TestUDPServerSubnet(t *testing.T) {
 
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 
-	ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+	ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
@@ -216,7 +216,7 @@ func TestUDPServer(t *testing.T) {
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -231,7 +231,7 @@ func TestUDPServer(t *testing.T) {
 	}
 
 	{
-		ips, _, err := client.LookupIP("facebook.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("facebook.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -246,7 +246,7 @@ func TestUDPServer(t *testing.T) {
 	}
 
 	{
-		_, _, err := client.LookupIP("notexist.google.com", feature_dns.IPOption{
+		_, err := client.LookupIP("notexist.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -260,7 +260,7 @@ func TestUDPServer(t *testing.T) {
 	}
 
 	{
-		ips, _, err := client.LookupIP("ipv4only.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("ipv4only.google.com", feature_dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -276,7 +276,7 @@ func TestUDPServer(t *testing.T) {
 	dnsServer.Shutdown()
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -357,7 +357,7 @@ func TestPrioritizedDomain(t *testing.T) {
 	startTime := time.Now()
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -423,7 +423,7 @@ func TestUDPServerIPv6(t *testing.T) {
 
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 	{
-		ips, _, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -492,7 +492,7 @@ func TestStaticHostDomain(t *testing.T) {
 	client := v.GetFeature(feature_dns.ClientType()).(feature_dns.Client)
 
 	{
-		ips, _, err := client.LookupIP("example.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("example.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -603,7 +603,7 @@ func TestIPMatch(t *testing.T) {
 	startTime := time.Now()
 
 	{
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -726,7 +726,7 @@ func TestLocalDomain(t *testing.T) {
 	startTime := time.Now()
 
 	{ // Will match dotless:
-		ips, _, err := client.LookupIP("hostname", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostname", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -741,7 +741,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match domain:local
-		ips, _, err := client.LookupIP("hostname.local", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostname.local", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -756,7 +756,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match static ip
-		ips, _, err := client.LookupIP("hostnamestatic", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostnamestatic", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -771,7 +771,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match domain replacing
-		ips, _, err := client.LookupIP("hostnamealias", feature_dns.IPOption{
+		ips, err := client.LookupIP("hostnamealias", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -785,8 +785,8 @@ func TestLocalDomain(t *testing.T) {
 		}
 	}
 
-	{ // Will match dotless:localhost, but not expectedIPs: 127.0.0.2, 127.0.0.3, then matches at dotless:
-		ips, _, err := client.LookupIP("localhost", feature_dns.IPOption{
+	{ // Will match dotless:localhost, but not expectIPs: 127.0.0.2, 127.0.0.3, then matches at dotless:
+		ips, err := client.LookupIP("localhost", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -800,8 +800,8 @@ func TestLocalDomain(t *testing.T) {
 		}
 	}
 
-	{ // Will match dotless:localhost, and expectedIPs: 127.0.0.2, 127.0.0.3
-		ips, _, err := client.LookupIP("localhost-a", feature_dns.IPOption{
+	{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
+		ips, err := client.LookupIP("localhost-a", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -815,8 +815,8 @@ func TestLocalDomain(t *testing.T) {
 		}
 	}
 
-	{ // Will match dotless:localhost, and expectedIPs: 127.0.0.2, 127.0.0.3
-		ips, _, err := client.LookupIP("localhost-b", feature_dns.IPOption{
+	{ // Will match dotless:localhost, and expectIPs: 127.0.0.2, 127.0.0.3
+		ips, err := client.LookupIP("localhost-b", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -831,7 +831,7 @@ func TestLocalDomain(t *testing.T) {
 	}
 
 	{ // Will match dotless:
-		ips, _, err := client.LookupIP("Mijia Cloud", feature_dns.IPOption{
+		ips, err := client.LookupIP("Mijia Cloud", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -997,7 +997,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	startTime := time.Now()
 
 	{ // Will match server 1,2 and server 1 returns expected ip
-		ips, _, err := client.LookupIP("google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -1012,7 +1012,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	}
 
 	{ // Will match server 1,2 and server 1 returns unexpected ip, then server 2 returns expected one
-		ips, _, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("ipv6.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: false,
 			FakeEnable: false,
@@ -1027,7 +1027,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	}
 
 	{ // Will match server 3,1,2 and server 3 returns expected one
-		ips, _, err := client.LookupIP("api.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("api.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,
@@ -1042,7 +1042,7 @@ func TestMultiMatchPrioritizedDomain(t *testing.T) {
 	}
 
 	{ // Will match server 4,3,1,2 and server 4 returns expected one
-		ips, _, err := client.LookupIP("v2.api.google.com", feature_dns.IPOption{
+		ips, err := client.LookupIP("v2.api.google.com", feature_dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,

app/dns/dnscommon.go

@@ -35,18 +35,16 @@ type IPRecord struct {
 	IP     []net.Address
 	Expire time.Time
 	RCode  dnsmessage.RCode
-	RawHeader *dnsmessage.Header
 }
 
-func (r *IPRecord) getIPs() ([]net.Address, uint32, error) {
+func (r *IPRecord) getIPs() ([]net.Address, error) {
 	if r == nil || r.Expire.Before(time.Now()) {
-		return nil, 0, errRecordNotFound
+		return nil, errRecordNotFound
 	}
 	if r.RCode != dnsmessage.RCodeSuccess {
-		return nil, 0, dns_feature.RCodeError(r.RCode)
+		return nil, dns_feature.RCodeError(r.RCode)
 	}
-	ttl := uint32(time.Until(r.Expire) / time.Second)
-	return r.IP, ttl, nil
+	return r.IP, nil
 }
 
 func isNewer(baseRec *IPRecord, newRec *IPRecord) bool {
@@ -69,20 +67,11 @@ type dnsRequest struct {
 	msg     *dnsmessage.Message
 }
 
-func genEDNS0Options(clientIP net.IP, padding int) *dnsmessage.Resource {
-	if len(clientIP) == 0 && padding == 0 {
+func genEDNS0Options(clientIP net.IP) *dnsmessage.Resource {
+	if len(clientIP) == 0 {
 		return nil
 	}
 
-	const EDNS0SUBNET = 0x8
-	const EDNS0PADDING = 0xc
-
-	opt := new(dnsmessage.Resource)
-	common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
-	body := dnsmessage.OPTResource{}
-	opt.Body = &body
-
-	if len(clientIP) != 0 {
 	var netmask int
 	var family uint16
 
@@ -109,19 +98,18 @@ func genEDNS0Options(clientIP net.IP, padding int) *dnsmessage.Resource {
 		b = append(b, ip[:needLength]...)
 	}
 
-		body.Options = append(body.Options,
-			dnsmessage.Option{
+	const EDNS0SUBNET = 0x08
+
+	opt := new(dnsmessage.Resource)
+	common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
+
+	opt.Body = &dnsmessage.OPTResource{
+		Options: []dnsmessage.Option{
+			{
 				Code: EDNS0SUBNET,
 				Data: b,
-			})
-	}
-
-	if padding != 0 {
-		body.Options = append(body.Options,
-			dnsmessage.Option{
-				Code: EDNS0PADDING,
-				Data: make([]byte, padding),
-			})
+			},
+		},
 	}
 
 	return opt
@@ -194,7 +182,6 @@ func parseResponse(payload []byte) (*IPRecord, error) {
 		ReqID:  h.ID,
 		RCode:  h.RCode,
 		Expire: now.Add(time.Second * 600),
-		RawHeader: &h,
 	}
 
 L:

app/dns/dnscommon_test.go

@@ -51,7 +51,7 @@ func Test_parseResponse(t *testing.T) {
 	}{
 		{
 			"empty",
-			&IPRecord{0, []net.Address(nil), time.Time{}, dnsmessage.RCodeSuccess, nil},
+			&IPRecord{0, []net.Address(nil), time.Time{}, dnsmessage.RCodeSuccess},
 			false,
 		},
 		{
@@ -66,13 +66,12 @@ func Test_parseResponse(t *testing.T) {
 				[]net.Address{net.ParseAddress("8.8.8.8"), net.ParseAddress("8.8.4.4")},
 				time.Time{},
 				dnsmessage.RCodeSuccess,
-				nil,
 			},
 			false,
 		},
 		{
 			"aaaa record",
-			&IPRecord{2, []net.Address{net.ParseAddress("2001::123:8888"), net.ParseAddress("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess, nil},
+			&IPRecord{2, []net.Address{net.ParseAddress("2001::123:8888"), net.ParseAddress("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess},
 			false,
 		},
 	}
@@ -85,9 +84,8 @@ func Test_parseResponse(t *testing.T) {
 			}
 
 			if got != nil {
-				// reset the time and RawHeader
+				// reset the time
 				got.Expire = time.Time{}
-				got.RawHeader = nil
 			}
 			if cmp.Diff(got, tt.want) != "" {
 				t.Error(cmp.Diff(got, tt.want))
@@ -156,7 +154,7 @@ func Test_genEDNS0Options(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if got := genEDNS0Options(tt.args.clientIP, 0); got == nil {
+			if got := genEDNS0Options(tt.args.clientIP); got == nil {
 				t.Errorf("genEDNS0Options() = %v, want %v", got, tt.want)
 			}
 		})

app/dns/nameserver.go

@@ -9,7 +9,6 @@ import (
 	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/strmatcher"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/dns"
@@ -21,7 +20,7 @@ type Server interface {
 	// Name of the Client.
 	Name() string
 	// QueryIP sends IP queries to its configured server.
-	QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns.IPOption, disableCache bool) ([]net.IP, uint32, error)
+	QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns.IPOption, disableCache bool) ([]net.IP, error)
 }
 
 // Client is the interface for DNS client.
@@ -30,13 +29,10 @@ type Client struct {
 	clientIP     net.IP
 	skipFallback bool
 	domains      []string
-	expectedIPs        []*router.GeoIPMatcher
-	allowUnexpectedIPs bool
-	tag                string
-	timeoutMs          time.Duration
+	expectIPs    []*router.GeoIPMatcher
 }
 
-var errExpectedIPNonMatch = errors.New("expectedIPs not match")
+var errExpectedIPNonMatch = errors.New("expectIPs not match")
 
 // NewServer creates a name server object according to the network destination url.
 func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dispatcher, queryStrategy QueryStrategy) (Server, error) {
@@ -49,13 +45,11 @@ func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dis
 		case strings.EqualFold(u.String(), "localhost"):
 			return NewLocalNameServer(queryStrategy), nil
 		case strings.EqualFold(u.Scheme, "https"): // DNS-over-HTTPS Remote mode
-			return NewDoHNameServer(u, queryStrategy, dispatcher, false), nil
+			return NewDoHNameServer(u, dispatcher, queryStrategy, false)
 		case strings.EqualFold(u.Scheme, "h2c"): // DNS-over-HTTPS h2c Remote mode
-			return NewDoHNameServer(u, queryStrategy, dispatcher, true), nil
+			return NewDoHNameServer(u, dispatcher, queryStrategy, true)
 		case strings.EqualFold(u.Scheme, "https+local"): // DNS-over-HTTPS Local mode
-			return NewDoHNameServer(u, queryStrategy, nil, false), nil
-		case strings.EqualFold(u.Scheme, "h2c+local"): // DNS-over-HTTPS h2c Local mode
-			return NewDoHNameServer(u, queryStrategy, nil, true), nil
+			return NewDoHLocalNameServer(u, queryStrategy), nil
 		case strings.EqualFold(u.Scheme, "quic+local"): // DNS-over-QUIC Local mode
 			return NewQUICNameServer(u, queryStrategy)
 		case strings.EqualFold(u.Scheme, "tcp"): // DNS-over-TCP Remote mode
@@ -165,19 +159,11 @@ func NewClient(
 			}
 		}
 
-		var timeoutMs = 4000 * time.Millisecond
-		if ns.TimeoutMs > 0 {
-			timeoutMs = time.Duration(ns.TimeoutMs) * time.Millisecond
-		}
-		
 		client.server = server
 		client.clientIP = clientIP
 		client.skipFallback = ns.SkipFallback
 		client.domains = rules
-		client.expectedIPs = matchers
-		client.allowUnexpectedIPs = ns.AllowUnexpectedIPs
-		client.tag = ns.Tag
-		client.timeoutMs = timeoutMs
+		client.expectIPs = matchers
 		return nil
 	})
 	return client, err
@@ -189,33 +175,25 @@ func (c *Client) Name() string {
 }
 
 // QueryIP sends DNS query to the name server with the client's IP.
-func (c *Client) QueryIP(ctx context.Context, domain string, option dns.IPOption, disableCache bool) ([]net.IP, uint32, error) {
-	ctx, cancel := context.WithTimeout(ctx, c.timeoutMs)
-	if len(c.tag) != 0 {
-		content := session.InboundFromContext(ctx)
-		errors.LogDebug(ctx, "DNS: client override tag from ", content.Tag, " to ", c.tag)
-		// create a new context to override the tag
-		// do not direct set *content.Tag, it might be used by other clients
-		ctx = session.ContextWithInbound(ctx, &session.Inbound{Tag: c.tag})
-	}
-	ips, ttl, err := c.server.QueryIP(ctx, domain, c.clientIP, option, disableCache)
+func (c *Client) QueryIP(ctx context.Context, domain string, option dns.IPOption, disableCache bool) ([]net.IP, error) {
+	ctx, cancel := context.WithTimeout(ctx, 4*time.Second)
+	ips, err := c.server.QueryIP(ctx, domain, c.clientIP, option, disableCache)
 	cancel()
 
 	if err != nil {
-		return ips, ttl, err
+		return ips, err
 	}
-	netips, err := c.MatchExpectedIPs(domain, ips)
-	return netips, ttl, err
+	return c.MatchExpectedIPs(domain, ips)
 }
 
 // MatchExpectedIPs matches queried domain IPs with expected IPs and returns matched ones.
 func (c *Client) MatchExpectedIPs(domain string, ips []net.IP) ([]net.IP, error) {
-	if len(c.expectedIPs) == 0 {
+	if len(c.expectIPs) == 0 {
 		return ips, nil
 	}
 	newIps := []net.IP{}
 	for _, ip := range ips {
-		for _, matcher := range c.expectedIPs {
+		for _, matcher := range c.expectIPs {
 			if matcher.Match(ip) {
 				newIps = append(newIps, ip)
 				break
@@ -223,12 +201,9 @@ func (c *Client) MatchExpectedIPs(domain string, ips []net.IP) ([]net.IP, error)
 		}
 	}
 	if len(newIps) == 0 {
-		if c.allowUnexpectedIPs {
-			return ips, nil
-		}
 		return nil, errExpectedIPNonMatch
 	}
-	errors.LogDebug(context.Background(), "domain ", domain, " expectedIPs ", newIps, " matched at server ", c.Name())
+	errors.LogDebug(context.Background(), "domain ", domain, " expectIPs ", newIps, " matched at server ", c.Name())
 	return newIps, nil
 }
 

app/dns/nameserver_doh.go

@@ -8,13 +8,10 @@ import (
 	"io"
 	"net/http"
 	"net/url"
-	"strings"
 	"sync"
 	"time"
 
-	utls "github.com/refraction-networking/utls"
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/crypto"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
@@ -34,6 +31,7 @@ import (
 // which is compatible with traditional dns over udp(RFC1035),
 // thus most of the DOH implementation is copied from udpns.go
 type DoHNameServer struct {
+	dispatcher routing.Dispatcher
 	sync.RWMutex
 	ips           map[string]*record
 	pub           *pubsub.Service
@@ -44,50 +42,34 @@ type DoHNameServer struct {
 	queryStrategy QueryStrategy
 }
 
-// NewDoHNameServer creates DOH/DOHL client object for remote/local resolving.
-func NewDoHNameServer(url *url.URL, queryStrategy QueryStrategy, dispatcher routing.Dispatcher, h2c bool) *DoHNameServer {
+// NewDoHNameServer creates DOH server object for remote resolving.
+func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, queryStrategy QueryStrategy, h2c bool) (*DoHNameServer, error) {
 	url.Scheme = "https"
-	mode := "DOH"
-	if dispatcher == nil {
-		mode = "DOHL"
-	}
-	errors.LogInfo(context.Background(), "DNS: created ", mode, " client for ", url.String(), ", with h2c ", h2c)
-	s := &DoHNameServer{
-		ips:           make(map[string]*record),
-		pub:           pubsub.NewService(),
-		name:          mode + "//" + url.Host,
-		dohURL:        url.String(),
-		queryStrategy: queryStrategy,
-	}
-	s.cleanup = &task.Periodic{
-		Interval: time.Minute,
-		Execute:  s.Cleanup,
-	}
-	s.httpClient = &http.Client{
-		Transport: &http2.Transport{
-			IdleConnTimeout: net.ConnIdleTimeout,
-			ReadIdleTimeout: net.ChromeH2KeepAlivePeriod,
-			DialTLSContext: func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
+	errors.LogInfo(context.Background(), "DNS: created Remote DNS-over-HTTPS client for ", url.String(), ", with h2c ", h2c)
+	s := baseDOHNameServer(url, "DOH", queryStrategy)
+
+	s.dispatcher = dispatcher
+	dialContext := func(ctx context.Context, network, addr string) (net.Conn, error) {
 		dest, err := net.ParseDestination(network + ":" + addr)
 		if err != nil {
 			return nil, err
 		}
-				var conn net.Conn
-				if dispatcher != nil {
 		dnsCtx := toDnsContext(ctx, s.dohURL)
 		if h2c {
 			dnsCtx = session.ContextWithMitmAlpn11(dnsCtx, false) // for insurance
 			dnsCtx = session.ContextWithMitmServerName(dnsCtx, url.Hostname())
 		}
-					link, err := dispatcher.Dispatch(dnsCtx, dest)
+		link, err := s.dispatcher.Dispatch(dnsCtx, dest)
 		select {
 		case <-ctx.Done():
 			return nil, ctx.Err()
 		default:
+
 		}
 		if err != nil {
 			return nil, err
 		}
+
 		cc := common.ChainedClosable{}
 		if cw, ok := link.Writer.(common.Closable); ok {
 			cc = append(cc, cw)
@@ -95,32 +77,79 @@ func NewDoHNameServer(url *url.URL, queryStrategy QueryStrategy, dispatcher rout
 		if cr, ok := link.Reader.(common.Closable); ok {
 			cc = append(cc, cr)
 		}
-					conn = cnc.NewConnection(
+		return cnc.NewConnection(
 			cnc.ConnectionInputMulti(link.Writer),
 			cnc.ConnectionOutputMulti(link.Reader),
 			cnc.ConnectionOnClose(cc),
-					)
-				} else {
+		), nil
+	}
+
+	s.httpClient = &http.Client{
+		Timeout: time.Second * 180,
+		Transport: &http.Transport{
+			MaxIdleConns:        30,
+			IdleConnTimeout:     90 * time.Second,
+			TLSHandshakeTimeout: 30 * time.Second,
+			ForceAttemptHTTP2:   true,
+			DialContext:         dialContext,
+		},
+	}
+	if h2c {
+		s.httpClient.Transport = &http2.Transport{
+			IdleConnTimeout: 90 * time.Second,
+			DialTLSContext: func(ctx context.Context, network, addr string, cfg *tls.Config) (net.Conn, error) {
+				return dialContext(ctx, network, addr)
+			},
+		}
+	}
+
+	return s, nil
+}
+
+// NewDoHLocalNameServer creates DOH client object for local resolving
+func NewDoHLocalNameServer(url *url.URL, queryStrategy QueryStrategy) *DoHNameServer {
+	url.Scheme = "https"
+	s := baseDOHNameServer(url, "DOHL", queryStrategy)
+	tr := &http.Transport{
+		IdleConnTimeout:   90 * time.Second,
+		ForceAttemptHTTP2: true,
+		DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+			dest, err := net.ParseDestination(network + ":" + addr)
+			if err != nil {
+				return nil, err
+			}
+			conn, err := internet.DialSystem(ctx, dest, nil)
 			log.Record(&log.AccessMessage{
 				From:   "DNS",
 				To:     s.dohURL,
 				Status: log.AccessAccepted,
 				Detour: "local",
 			})
-					conn, err = internet.DialSystem(ctx, dest, nil)
 			if err != nil {
 				return nil, err
 			}
-				}
-				if !h2c {
-					conn = utls.UClient(conn, &utls.Config{ServerName: url.Hostname()}, utls.HelloChrome_Auto)
-					if err := conn.(*utls.UConn).HandshakeContext(ctx); err != nil {
-						return nil, err
-					}
-				}
 			return conn, nil
 		},
-		},
+	}
+	s.httpClient = &http.Client{
+		Timeout:   time.Second * 180,
+		Transport: tr,
+	}
+	errors.LogInfo(context.Background(), "DNS: created Local DNS-over-HTTPS client for ", url.String())
+	return s
+}
+
+func baseDOHNameServer(url *url.URL, prefix string, queryStrategy QueryStrategy) *DoHNameServer {
+	s := &DoHNameServer{
+		ips:           make(map[string]*record),
+		pub:           pubsub.NewService(),
+		name:          prefix + "//" + url.Host,
+		dohURL:        url.String(),
+		queryStrategy: queryStrategy,
+	}
+	s.cleanup = &task.Periodic{
+		Interval: time.Minute,
+		Execute:  s.Cleanup,
 	}
 	return s
 }
@@ -219,9 +248,7 @@ func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, clientIP n
 		return
 	}
 
-	// As we don't want our traffic pattern looks like DoH, we use Random-Length Padding instead of Block-Length Padding recommended in RFC 8467
-	// Although DoH server like 1.1.1.1 will pad the response to Block-Length 468, at least it is better than no padding for response at all
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP, int(crypto.RandBetween(100, 300))))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	var deadline time.Time
 	if d, ok := ctx.Deadline(); ok {
@@ -283,8 +310,6 @@ func (s *DoHNameServer) dohHTTPSContext(ctx context.Context, b []byte) ([]byte,
 	req.Header.Add("Accept", "application/dns-message")
 	req.Header.Add("Content-Type", "application/dns-message")
 
-	req.Header.Set("X-Padding", strings.Repeat("X", int(crypto.RandBetween(100, 1000))))
-
 	hc := s.httpClient
 
 	resp, err := hc.Do(req.WithContext(ctx))
@@ -301,66 +326,64 @@ func (s *DoHNameServer) dohHTTPSContext(ctx context.Context, b []byte) ([]byte,
 	return io.ReadAll(resp.Body)
 }
 
-func (s *DoHNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *DoHNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
 	s.RLock()
 	record, found := s.ips[domain]
 	s.RUnlock()
 
 	if !found {
-		return nil, 0, errRecordNotFound
+		return nil, errRecordNotFound
 	}
 
 	var err4 error
 	var err6 error
 	var ips []net.Address
 	var ip6 []net.Address
-	var ttl uint32
 
 	if option.IPv4Enable {
-		ips, ttl, err4 = record.A.getIPs()
+		ips, err4 = record.A.getIPs()
 	}
 
 	if option.IPv6Enable {
-		ip6, ttl, err6 = record.AAAA.getIPs()
+		ip6, err6 = record.AAAA.getIPs()
 		ips = append(ips, ip6...)
 	}
 
 	if len(ips) > 0 {
-		netips, err := toNetIP(ips)
-		return netips, ttl, err
+		return toNetIP(ips)
 	}
 
 	if err4 != nil {
-		return nil, 0, err4
+		return nil, err4
 	}
 
 	if err6 != nil {
-		return nil, 0, err6
+		return nil, err6
 	}
 
 	if (option.IPv4Enable && record.A != nil) || (option.IPv6Enable && record.AAAA != nil) {
-		return nil, 0, dns_feature.ErrEmptyResponse
+		return nil, dns_feature.ErrEmptyResponse
 	}
 
-	return nil, 0, errRecordNotFound
+	return nil, errRecordNotFound
 }
 
 // QueryIP implements Server.
-func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, uint32, error) { // nolint: dupl
+func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) { // nolint: dupl
 	fqdn := Fqdn(domain)
 	option = ResolveIpOptionOverride(s.queryStrategy, option)
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns_feature.ErrEmptyResponse
+		return nil, dns_feature.ErrEmptyResponse
 	}
 
 	if disableCache {
 		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
-		if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
+		ips, err := s.findIPsForDomain(fqdn, option)
+		if err == nil || err == dns_feature.ErrEmptyResponse {
 			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
@@ -394,15 +417,15 @@ func (s *DoHNameServer) QueryIP(ctx context.Context, domain string, clientIP net
 	start := time.Now()
 
 	for {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
 		if err != errRecordNotFound {
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 
 		select {
 		case <-ctx.Done():
-			return nil, 0, ctx.Err()
+			return nil, ctx.Err()
 		case <-done:
 		}
 	}

app/dns/nameserver_doh_test.go

@@ -17,9 +17,9 @@ func TestDOHNameServer(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, QueryStrategy_USE_IP, nil, false)
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -34,9 +34,9 @@ func TestDOHNameServerWithCache(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, QueryStrategy_USE_IP, nil, false)
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -47,7 +47,7 @@ func TestDOHNameServerWithCache(t *testing.T) {
 	}
 
 	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips2, _, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, true)
@@ -62,9 +62,9 @@ func TestDOHNameServerWithIPv4Override(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, QueryStrategy_USE_IP4, nil, false)
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP4)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -85,9 +85,9 @@ func TestDOHNameServerWithIPv6Override(t *testing.T) {
 	url, err := url.Parse("https+local://1.1.1.1/dns-query")
 	common.Must(err)
 
-	s := NewDoHNameServer(url, QueryStrategy_USE_IP6, nil, false)
+	s := NewDoHLocalNameServer(url, QueryStrategy_USE_IP6)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)

app/dns/nameserver_fakedns.go

@@ -20,9 +20,9 @@ func (FakeDNSServer) Name() string {
 	return "FakeDNS"
 }
 
-func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ net.IP, opt dns.IPOption, _ bool) ([]net.IP, uint32, error) {
+func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ net.IP, opt dns.IPOption, _ bool) ([]net.IP, error) {
 	if f.fakeDNSEngine == nil {
-		return nil, 0, errors.New("Unable to locate a fake DNS Engine").AtError()
+		return nil, errors.New("Unable to locate a fake DNS Engine").AtError()
 	}
 
 	var ips []net.Address
@@ -34,13 +34,13 @@ func (f *FakeDNSServer) QueryIP(ctx context.Context, domain string, _ net.IP, op
 
 	netIP, err := toNetIP(ips)
 	if err != nil {
-		return nil, 0, errors.New("Unable to convert IP to net ip").Base(err).AtError()
+		return nil, errors.New("Unable to convert IP to net ip").Base(err).AtError()
 	}
 
 	errors.LogInfo(ctx, f.Name(), " got answer: ", domain, " -> ", ips)
 
 	if len(netIP) > 0 {
-		return netIP, 1, nil // fakeIP ttl is 1
+		return netIP, nil
 	}
-	return nil, 0, dns.ErrEmptyResponse
+	return nil, dns.ErrEmptyResponse
 }

app/dns/nameserver_local.go

@@ -21,14 +21,14 @@ type LocalNameServer struct {
 const errEmptyResponse = "No address associated with hostname"
 
 // QueryIP implements Server.
-func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, _ net.IP, option dns.IPOption, _ bool) (ips []net.IP, ttl uint32, err error) {
+func (s *LocalNameServer) QueryIP(ctx context.Context, domain string, _ net.IP, option dns.IPOption, _ bool) (ips []net.IP, err error) {
 	option = ResolveIpOptionOverride(s.queryStrategy, option)
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns.ErrEmptyResponse
+		return nil, dns.ErrEmptyResponse
 	}
 
 	start := time.Now()
-	ips, ttl, err = s.client.LookupIP(domain, option)
+	ips, err = s.client.LookupIP(domain, option)
 
 	if err != nil && strings.HasSuffix(err.Error(), errEmptyResponse) {
 		err = dns.ErrEmptyResponse

app/dns/nameserver_local_test.go

@@ -14,7 +14,7 @@ import (
 func TestLocalNameServer(t *testing.T) {
 	s := NewLocalNameServer(QueryStrategy_USE_IP)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP{}, dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP{}, dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,

app/dns/nameserver_quic.go

@@ -160,7 +160,7 @@ func (s *QUICNameServer) newReqID() uint16 {
 func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
 	errors.LogInfo(ctx, s.name, " querying: ", domain)
 
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP, 0))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	var deadline time.Time
 	if d, ok := ctx.Deadline(); ok {
@@ -244,66 +244,64 @@ func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP
 	}
 }
 
-func (s *QUICNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *QUICNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
 	s.RLock()
 	record, found := s.ips[domain]
 	s.RUnlock()
 
 	if !found {
-		return nil, 0, errRecordNotFound
+		return nil, errRecordNotFound
 	}
 
 	var err4 error
 	var err6 error
 	var ips []net.Address
 	var ip6 []net.Address
-	var ttl uint32
 
 	if option.IPv4Enable {
-		ips, ttl, err4 = record.A.getIPs()
+		ips, err4 = record.A.getIPs()
 	}
 
 	if option.IPv6Enable {
-		ip6, ttl, err6 = record.AAAA.getIPs()
+		ip6, err6 = record.AAAA.getIPs()
 		ips = append(ips, ip6...)
 	}
 
 	if len(ips) > 0 {
-		netips, err := toNetIP(ips)
-		return netips, ttl, err
+		return toNetIP(ips)
 	}
 
 	if err4 != nil {
-		return nil, 0, err4
+		return nil, err4
 	}
 
 	if err6 != nil {
-		return nil, 0, err6
+		return nil, err6
 	}
 
 	if (option.IPv4Enable && record.A != nil) || (option.IPv6Enable && record.AAAA != nil) {
-		return nil, 0, dns_feature.ErrEmptyResponse
+		return nil, dns_feature.ErrEmptyResponse
 	}
 
-	return nil, 0, errRecordNotFound
+	return nil, errRecordNotFound
 }
 
 // QueryIP is called from dns.Server->queryIPTimeout
-func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, uint32, error) {
+func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) {
 	fqdn := Fqdn(domain)
 	option = ResolveIpOptionOverride(s.queryStrategy, option)
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns_feature.ErrEmptyResponse
+		return nil, dns_feature.ErrEmptyResponse
 	}
 
 	if disableCache {
 		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
-		if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
+		ips, err := s.findIPsForDomain(fqdn, option)
+		if err == nil || err == dns_feature.ErrEmptyResponse {
 			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
@@ -337,15 +335,15 @@ func (s *QUICNameServer) QueryIP(ctx context.Context, domain string, clientIP ne
 	start := time.Now()
 
 	for {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
 		if err != errRecordNotFound {
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 
 		select {
 		case <-ctx.Done():
-			return nil, 0, ctx.Err()
+			return nil, ctx.Err()
 		case <-done:
 		}
 	}

app/dns/nameserver_quic_test.go

@@ -19,7 +19,7 @@ func TestQUICNameServer(t *testing.T) {
 	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -30,7 +30,7 @@ func TestQUICNameServer(t *testing.T) {
 	}
 
 	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips2, _, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns.IPOption{
+	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, true)
@@ -47,7 +47,7 @@ func TestQUICNameServerWithIPv4Override(t *testing.T) {
 	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP4)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -70,7 +70,7 @@ func TestQUICNameServerWithIPv6Override(t *testing.T) {
 	s, err := NewQUICNameServer(url, QueryStrategy_USE_IP6)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)

app/dns/nameserver_tcp.go

@@ -192,7 +192,7 @@ func (s *TCPNameServer) newReqID() uint16 {
 func (s *TCPNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
 	errors.LogDebug(ctx, s.name, " querying DNS for: ", domain)
 
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP, 0))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	var deadline time.Time
 	if d, ok := ctx.Deadline(); ok {
@@ -273,62 +273,60 @@ func (s *TCPNameServer) sendQuery(ctx context.Context, domain string, clientIP n
 	}
 }
 
-func (s *TCPNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *TCPNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
 	s.RLock()
 	record, found := s.ips[domain]
 	s.RUnlock()
 
 	if !found {
-		return nil, 0, errRecordNotFound
+		return nil, errRecordNotFound
 	}
 
 	var err4 error
 	var err6 error
 	var ips []net.Address
 	var ip6 []net.Address
-	var ttl uint32
 
 	if option.IPv4Enable {
-		ips, ttl, err4 = record.A.getIPs()
+		ips, err4 = record.A.getIPs()
 	}
 
 	if option.IPv6Enable {
-		ip6, ttl, err6 = record.AAAA.getIPs()
+		ip6, err6 = record.AAAA.getIPs()
 		ips = append(ips, ip6...)
 	}
 
 	if len(ips) > 0 {
-		netips, err := toNetIP(ips)
-		return netips, ttl, err
+		return toNetIP(ips)
 	}
 
 	if err4 != nil {
-		return nil, 0, err4
+		return nil, err4
 	}
 
 	if err6 != nil {
-		return nil, 0, err6
+		return nil, err6
 	}
 
-	return nil, 0, dns_feature.ErrEmptyResponse
+	return nil, dns_feature.ErrEmptyResponse
 }
 
 // QueryIP implements Server.
-func (s *TCPNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, uint32, error) {
+func (s *TCPNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) {
 	fqdn := Fqdn(domain)
 	option = ResolveIpOptionOverride(s.queryStrategy, option)
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns_feature.ErrEmptyResponse
+		return nil, dns_feature.ErrEmptyResponse
 	}
 
 	if disableCache {
 		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
-		if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
+		ips, err := s.findIPsForDomain(fqdn, option)
+		if err == nil || err == dns_feature.ErrEmptyResponse {
 			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
@@ -362,15 +360,15 @@ func (s *TCPNameServer) QueryIP(ctx context.Context, domain string, clientIP net
 	start := time.Now()
 
 	for {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
 		if err != errRecordNotFound {
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 
 		select {
 		case <-ctx.Done():
-			return nil, 0, ctx.Err()
+			return nil, ctx.Err()
 		case <-done:
 		}
 	}

app/dns/nameserver_tcp_test.go

@@ -19,7 +19,7 @@ func TestTCPLocalNameServer(t *testing.T) {
 	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -36,7 +36,7 @@ func TestTCPLocalNameServerWithCache(t *testing.T) {
 	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -47,7 +47,7 @@ func TestTCPLocalNameServerWithCache(t *testing.T) {
 	}
 
 	ctx2, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips2, _, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips2, err := s.QueryIP(ctx2, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, true)
@@ -64,7 +64,7 @@ func TestTCPLocalNameServerWithIPv4Override(t *testing.T) {
 	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP4)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)
@@ -88,7 +88,7 @@ func TestTCPLocalNameServerWithIPv6Override(t *testing.T) {
 	s, err := NewTCPLocalNameServer(url, QueryStrategy_USE_IP6)
 	common.Must(err)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
-	ips, _, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
+	ips, err := s.QueryIP(ctx, "google.com", net.IP(nil), dns_feature.IPOption{
 		IPv4Enable: true,
 		IPv6Enable: true,
 	}, false)

app/dns/nameserver_udp.go

@@ -27,7 +27,7 @@ type ClassicNameServer struct {
 	name          string
 	address       *net.Destination
 	ips           map[string]*record
-	requests      map[uint16]*udpDnsRequest
+	requests      map[uint16]*dnsRequest
 	pub           *pubsub.Service
 	udpServer     *udp.Dispatcher
 	cleanup       *task.Periodic
@@ -35,11 +35,6 @@ type ClassicNameServer struct {
 	queryStrategy QueryStrategy
 }
 
-type udpDnsRequest struct {
-	dnsRequest
-	ctx context.Context
-}
-
 // NewClassicNameServer creates udp server object for remote resolving.
 func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher, queryStrategy QueryStrategy) *ClassicNameServer {
 	// default to 53 if unspecific
@@ -50,7 +45,7 @@ func NewClassicNameServer(address net.Destination, dispatcher routing.Dispatcher
 	s := &ClassicNameServer{
 		address:       &address,
 		ips:           make(map[string]*record),
-		requests:      make(map[uint16]*udpDnsRequest),
+		requests:      make(map[uint16]*dnsRequest),
 		pub:           pubsub.NewService(),
 		name:          strings.ToUpper(address.String()),
 		queryStrategy: queryStrategy,
@@ -106,7 +101,7 @@ func (s *ClassicNameServer) Cleanup() error {
 	}
 
 	if len(s.requests) == 0 {
-		s.requests = make(map[uint16]*udpDnsRequest)
+		s.requests = make(map[uint16]*dnsRequest)
 	}
 
 	return nil
@@ -133,27 +128,6 @@ func (s *ClassicNameServer) HandleResponse(ctx context.Context, packet *udp_prot
 		return
 	}
 
-	// if truncated, retry with EDNS0 option(udp payload size: 1350)
-	if ipRec.RawHeader.Truncated {
-		// if already has EDNS0 option, no need to retry
-		if ok && len(req.msg.Additionals) == 0 {
-			// copy necessary meta data from original request
-			// and add EDNS0 option
-			opt := new(dnsmessage.Resource)
-			common.Must(opt.Header.SetEDNS0(1350, 0xfe00, true))
-			opt.Body = &dnsmessage.OPTResource{}
-			newMsg := *req.msg
-			newReq := *req
-			newMsg.Additionals = append(newMsg.Additionals, *opt)
-			newMsg.ID = s.newReqID()
-			newReq.msg = &newMsg
-			s.addPendingRequest(&newReq)
-			b, _ := dns.PackMessage(newReq.msg)
-			s.udpServer.Dispatch(toDnsContext(newReq.ctx, s.address.String()), *s.address, b)
-			return
-		}
-	}
-
 	var rec record
 	switch req.reqType {
 	case dnsmessage.TypeA:
@@ -205,7 +179,7 @@ func (s *ClassicNameServer) newReqID() uint16 {
 	return uint16(atomic.AddUint32(&s.reqID, 1))
 }
 
-func (s *ClassicNameServer) addPendingRequest(req *udpDnsRequest) {
+func (s *ClassicNameServer) addPendingRequest(req *dnsRequest) {
 	s.Lock()
 	defer s.Unlock()
 
@@ -217,75 +191,69 @@ func (s *ClassicNameServer) addPendingRequest(req *udpDnsRequest) {
 func (s *ClassicNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {
 	errors.LogDebug(ctx, s.name, " querying DNS for: ", domain)
 
-	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP, 0))
+	reqs := buildReqMsgs(domain, option, s.newReqID, genEDNS0Options(clientIP))
 
 	for _, req := range reqs {
-		udpReq := &udpDnsRequest{
-			dnsRequest: *req,
-			ctx:        ctx,
-		}
-		s.addPendingRequest(udpReq)
+		s.addPendingRequest(req)
 		b, _ := dns.PackMessage(req.msg)
 		s.udpServer.Dispatch(toDnsContext(ctx, s.address.String()), *s.address, b)
 	}
 }
 
-func (s *ClassicNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, uint32, error) {
+func (s *ClassicNameServer) findIPsForDomain(domain string, option dns_feature.IPOption) ([]net.IP, error) {
 	s.RLock()
 	record, found := s.ips[domain]
 	s.RUnlock()
 
 	if !found {
-		return nil, 0, errRecordNotFound
+		return nil, errRecordNotFound
 	}
 
 	var err4 error
 	var err6 error
 	var ips []net.Address
 	var ip6 []net.Address
-	var ttl uint32
 
 	if option.IPv4Enable {
-		ips, ttl, err4 = record.A.getIPs()
+		ips, err4 = record.A.getIPs()
 	}
 
 	if option.IPv6Enable {
-		ip6, ttl, err6 = record.AAAA.getIPs()
+		ip6, err6 = record.AAAA.getIPs()
 		ips = append(ips, ip6...)
 	}
 
 	if len(ips) > 0 {
-		netips, err := toNetIP(ips)
-		return netips, ttl, err
+		return toNetIP(ips)
 	}
 
 	if err4 != nil {
-		return nil, 0, err4
+		return nil, err4
 	}
 
 	if err6 != nil {
-		return nil, 0, err6
+		return nil, err6
 	}
 
-	return nil, 0, dns_feature.ErrEmptyResponse
+	return nil, dns_feature.ErrEmptyResponse
 }
 
 // QueryIP implements Server.
-func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, uint32, error) {
+func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption, disableCache bool) ([]net.IP, error) {
 	fqdn := Fqdn(domain)
 	option = ResolveIpOptionOverride(s.queryStrategy, option)
 	if !option.IPv4Enable && !option.IPv6Enable {
-		return nil, 0, dns_feature.ErrEmptyResponse
+		return nil, dns_feature.ErrEmptyResponse
 	}
 
 	if disableCache {
 		errors.LogDebug(ctx, "DNS cache is disabled. Querying IP for ", domain, " at ", s.name)
 	} else {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
-		if err == nil || err == dns_feature.ErrEmptyResponse || dns_feature.RCodeFromError(err) == 3 {
+		ips, err := s.findIPsForDomain(fqdn, option)
+		if err == nil || err == dns_feature.ErrEmptyResponse {
 			errors.LogDebugInner(ctx, err, s.name, " cache HIT ", domain, " -> ", ips)
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSCacheHit, Elapsed: 0, Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 	}
 
@@ -319,15 +287,15 @@ func (s *ClassicNameServer) QueryIP(ctx context.Context, domain string, clientIP
 	start := time.Now()
 
 	for {
-		ips, ttl, err := s.findIPsForDomain(fqdn, option)
+		ips, err := s.findIPsForDomain(fqdn, option)
 		if err != errRecordNotFound {
 			log.Record(&log.DNSLog{Server: s.name, Domain: domain, Result: ips, Status: log.DNSQueried, Elapsed: time.Since(start), Error: err})
-			return ips, ttl, err
+			return ips, err
 		}
 
 		select {
 		case <-ctx.Done():
-			return nil, 0, ctx.Err()
+			return nil, ctx.Err()
 		case <-done:
 		}
 	}

app/proxyman/config.pb.go

@@ -192,6 +192,7 @@ type SniffingConfig struct {
 	// message.
 	MetadataOnly bool  `protobuf:"varint,4,opt,name=metadata_only,json=metadataOnly,proto3" json:"metadata_only,omitempty"`
 	RouteOnly    bool  `protobuf:"varint,5,opt,name=route_only,json=routeOnly,proto3" json:"route_only,omitempty"`
+	Timeout      int64 `protobuf:"varint,6,opt,name=timeout,proto3" json:"timeout,omitempty"`
 }
 
 func (x *SniffingConfig) Reset() {
@@ -259,6 +260,13 @@ func (x *SniffingConfig) GetRouteOnly() bool {
 	return false
 }
 
+func (x *SniffingConfig) GetTimeout() int64 {
+	if x != nil {
+		return x.Timeout
+	}
+	return 0
+}
+
 type ReceiverConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -725,7 +733,7 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
 	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x22, 0x2c, 0x0a, 0x04, 0x54, 0x79, 0x70, 0x65, 0x12,
 	0x0a, 0x0a, 0x06, 0x41, 0x6c, 0x77, 0x61, 0x79, 0x73, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06, 0x52,
 	0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x10, 0x01, 0x12, 0x0c, 0x0a, 0x08, 0x45, 0x78, 0x74, 0x65, 0x72,
-	0x6e, 0x61, 0x6c, 0x10, 0x02, 0x22, 0xcc, 0x01, 0x0a, 0x0e, 0x53, 0x6e, 0x69, 0x66, 0x66, 0x69,
+	0x6e, 0x61, 0x6c, 0x10, 0x02, 0x22, 0xe6, 0x01, 0x0a, 0x0e, 0x53, 0x6e, 0x69, 0x66, 0x66, 0x69,
 	0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62,
 	0x6c, 0x65, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c,
 	0x65, 0x64, 0x12, 0x31, 0x0a, 0x14, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f,
@@ -738,85 +746,87 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
 	0x79, 0x18, 0x04, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0c, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74,
 	0x61, 0x4f, 0x6e, 0x6c, 0x79, 0x12, 0x1d, 0x0a, 0x0a, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x5f, 0x6f,
 	0x6e, 0x6c, 0x79, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x72, 0x6f, 0x75, 0x74, 0x65,
-	0x4f, 0x6e, 0x6c, 0x79, 0x22, 0xbd, 0x03, 0x0a, 0x0e, 0x52, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65,
-	0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x36, 0x0a, 0x09, 0x70, 0x6f, 0x72, 0x74, 0x5f,
-	0x6c, 0x69, 0x73, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x78, 0x72, 0x61,
-	0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x50, 0x6f, 0x72,
-	0x74, 0x4c, 0x69, 0x73, 0x74, 0x52, 0x08, 0x70, 0x6f, 0x72, 0x74, 0x4c, 0x69, 0x73, 0x74, 0x12,
-	0x33, 0x0a, 0x06, 0x6c, 0x69, 0x73, 0x74, 0x65, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65,
-	0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x06, 0x6c, 0x69,
-	0x73, 0x74, 0x65, 0x6e, 0x12, 0x56, 0x0a, 0x13, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69,
-	0x6f, 0x6e, 0x5f, 0x73, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28,
-	0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f,
-	0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x41, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e,
-	0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x12, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61,
-	0x74, 0x69, 0x6f, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x4e, 0x0a, 0x0f,
-	0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18,
-	0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61,
-	0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e,
-	0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x0e, 0x73, 0x74,
-	0x72, 0x65, 0x61, 0x6d, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x40, 0x0a, 0x1c,
-	0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x5f, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c,
-	0x5f, 0x64, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x05, 0x20, 0x01,
-	0x28, 0x08, 0x52, 0x1a, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x4f, 0x72, 0x69, 0x67, 0x69,
-	0x6e, 0x61, 0x6c, 0x44, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x4e,
-	0x0a, 0x11, 0x73, 0x6e, 0x69, 0x66, 0x66, 0x69, 0x6e, 0x67, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69,
-	0x6e, 0x67, 0x73, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x21, 0x2e, 0x78, 0x72, 0x61, 0x79,
-	0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x53, 0x6e,
-	0x69, 0x66, 0x66, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x10, 0x73, 0x6e,
-	0x69, 0x66, 0x66, 0x69, 0x6e, 0x67, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x4a, 0x04,
-	0x08, 0x06, 0x10, 0x07, 0x22, 0xc0, 0x01, 0x0a, 0x14, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64,
-	0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x10, 0x0a,
-	0x03, 0x74, 0x61, 0x67, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12,
-	0x4d, 0x0a, 0x11, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x72, 0x5f, 0x73, 0x65, 0x74, 0x74,
-	0x69, 0x6e, 0x67, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x20, 0x2e, 0x78, 0x72, 0x61,
-	0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e,
-	0x54, 0x79, 0x70, 0x65, 0x64, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x52, 0x10, 0x72, 0x65,
-	0x63, 0x65, 0x69, 0x76, 0x65, 0x72, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x47,
-	0x0a, 0x0e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73,
-	0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x20, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f,
-	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e, 0x54, 0x79, 0x70, 0x65,
-	0x64, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x53,
-	0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x22, 0x10, 0x0a, 0x0e, 0x4f, 0x75, 0x74, 0x62, 0x6f,
-	0x75, 0x6e, 0x64, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x22, 0xcb, 0x02, 0x0a, 0x0c, 0x53, 0x65,
-	0x6e, 0x64, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x2d, 0x0a, 0x03, 0x76, 0x69,
-	0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63,
-	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72, 0x44, 0x6f,
-	0x6d, 0x61, 0x69, 0x6e, 0x52, 0x03, 0x76, 0x69, 0x61, 0x12, 0x4e, 0x0a, 0x0f, 0x73, 0x74, 0x72,
-	0x65, 0x61, 0x6d, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x02, 0x20, 0x01,
-	0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70,
-	0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x74, 0x72,
-	0x65, 0x61, 0x6d, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x0e, 0x73, 0x74, 0x72, 0x65, 0x61,
-	0x6d, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x4b, 0x0a, 0x0e, 0x70, 0x72, 0x6f,
-	0x78, 0x79, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28,
-	0x0b, 0x32, 0x24, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f,
-	0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x50, 0x72, 0x6f, 0x78,
-	0x79, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x53, 0x65,
-	0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x54, 0x0a, 0x12, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x70,
-	0x6c, 0x65, 0x78, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x04, 0x20, 0x01,
-	0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72,
-	0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78,
-	0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x11, 0x6d, 0x75, 0x6c, 0x74, 0x69,
-	0x70, 0x6c, 0x65, 0x78, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x19, 0x0a, 0x08,
-	0x76, 0x69, 0x61, 0x5f, 0x63, 0x69, 0x64, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07,
-	0x76, 0x69, 0x61, 0x43, 0x69, 0x64, 0x72, 0x22, 0xa4, 0x01, 0x0a, 0x12, 0x4d, 0x75, 0x6c, 0x74,
-	0x69, 0x70, 0x6c, 0x65, 0x78, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x18,
-	0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52,
-	0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x20, 0x0a, 0x0b, 0x63, 0x6f, 0x6e, 0x63,
-	0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x63,
-	0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x12, 0x28, 0x0a, 0x0f, 0x78, 0x75,
-	0x64, 0x70, 0x43, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x03, 0x20,
-	0x01, 0x28, 0x05, 0x52, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x43, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72,
-	0x65, 0x6e, 0x63, 0x79, 0x12, 0x28, 0x0a, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x50, 0x72, 0x6f, 0x78,
-	0x79, 0x55, 0x44, 0x50, 0x34, 0x34, 0x33, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x78,
-	0x75, 0x64, 0x70, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x55, 0x44, 0x50, 0x34, 0x34, 0x33, 0x42, 0x55,
-	0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70,
-	0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x69, 0x74, 0x68, 0x75,
-	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d,
-	0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61,
-	0x6e, 0xaa, 0x02, 0x11, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x50, 0x72, 0x6f,
-	0x78, 0x79, 0x6d, 0x61, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x4f, 0x6e, 0x6c, 0x79, 0x12, 0x18, 0x0a, 0x07, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18,
+	0x06, 0x20, 0x01, 0x28, 0x03, 0x52, 0x07, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x22, 0xbd,
+	0x03, 0x0a, 0x0e, 0x52, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x67, 0x12, 0x36, 0x0a, 0x09, 0x70, 0x6f, 0x72, 0x74, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d,
+	0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x50, 0x6f, 0x72, 0x74, 0x4c, 0x69, 0x73, 0x74, 0x52,
+	0x08, 0x70, 0x6f, 0x72, 0x74, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x33, 0x0a, 0x06, 0x6c, 0x69, 0x73,
+	0x74, 0x65, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79,
+	0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72,
+	0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x06, 0x6c, 0x69, 0x73, 0x74, 0x65, 0x6e, 0x12, 0x56,
+	0x0a, 0x13, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x73, 0x74, 0x72,
+	0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72,
+	0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e,
+	0x41, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65,
+	0x67, 0x79, 0x52, 0x12, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x53, 0x74,
+	0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x4e, 0x0a, 0x0f, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d,
+	0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32,
+	0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74,
+	0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d,
+	0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x0e, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x53, 0x65,
+	0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x40, 0x0a, 0x1c, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76,
+	0x65, 0x5f, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x5f, 0x64, 0x65, 0x73, 0x74, 0x69,
+	0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x1a, 0x72, 0x65,
+	0x63, 0x65, 0x69, 0x76, 0x65, 0x4f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x44, 0x65, 0x73,
+	0x74, 0x69, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x4e, 0x0a, 0x11, 0x73, 0x6e, 0x69, 0x66,
+	0x66, 0x69, 0x6e, 0x67, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x07, 0x20,
+	0x01, 0x28, 0x0b, 0x32, 0x21, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70,
+	0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x53, 0x6e, 0x69, 0x66, 0x66, 0x69, 0x6e, 0x67,
+	0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x10, 0x73, 0x6e, 0x69, 0x66, 0x66, 0x69, 0x6e, 0x67,
+	0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x4a, 0x04, 0x08, 0x06, 0x10, 0x07, 0x22, 0xc0,
+	0x01, 0x0a, 0x14, 0x49, 0x6e, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65,
+	0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x4d, 0x0a, 0x11, 0x72, 0x65, 0x63,
+	0x65, 0x69, 0x76, 0x65, 0x72, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x02,
+	0x20, 0x01, 0x28, 0x0b, 0x32, 0x20, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d,
+	0x6f, 0x6e, 0x2e, 0x73, 0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e, 0x54, 0x79, 0x70, 0x65, 0x64, 0x4d,
+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x52, 0x10, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x72,
+	0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x47, 0x0a, 0x0e, 0x70, 0x72, 0x6f, 0x78,
+	0x79, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x20, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x73,
+	0x65, 0x72, 0x69, 0x61, 0x6c, 0x2e, 0x54, 0x79, 0x70, 0x65, 0x64, 0x4d, 0x65, 0x73, 0x73, 0x61,
+	0x67, 0x65, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67,
+	0x73, 0x22, 0x10, 0x0a, 0x0e, 0x4f, 0x75, 0x74, 0x62, 0x6f, 0x75, 0x6e, 0x64, 0x43, 0x6f, 0x6e,
+	0x66, 0x69, 0x67, 0x22, 0xcb, 0x02, 0x0a, 0x0c, 0x53, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x43, 0x6f,
+	0x6e, 0x66, 0x69, 0x67, 0x12, 0x2d, 0x0a, 0x03, 0x76, 0x69, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28,
+	0x0b, 0x32, 0x1b, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e,
+	0x6e, 0x65, 0x74, 0x2e, 0x49, 0x50, 0x4f, 0x72, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x52, 0x03,
+	0x76, 0x69, 0x61, 0x12, 0x4e, 0x0a, 0x0f, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x5f, 0x73, 0x65,
+	0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78,
+	0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x43, 0x6f, 0x6e,
+	0x66, 0x69, 0x67, 0x52, 0x0e, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x53, 0x65, 0x74, 0x74, 0x69,
+	0x6e, 0x67, 0x73, 0x12, 0x4b, 0x0a, 0x0e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x5f, 0x73, 0x65, 0x74,
+	0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x24, 0x2e, 0x78, 0x72,
+	0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74,
+	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x67, 0x52, 0x0d, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73,
+	0x12, 0x54, 0x0a, 0x12, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x5f, 0x73, 0x65,
+	0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78,
+	0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e,
+	0x2e, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e,
+	0x66, 0x69, 0x67, 0x52, 0x11, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x53, 0x65,
+	0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x19, 0x0a, 0x08, 0x76, 0x69, 0x61, 0x5f, 0x63, 0x69,
+	0x64, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x76, 0x69, 0x61, 0x43, 0x69, 0x64,
+	0x72, 0x22, 0xa4, 0x01, 0x0a, 0x12, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x69,
+	0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62,
+	0x6c, 0x65, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c,
+	0x65, 0x64, 0x12, 0x20, 0x0a, 0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63,
+	0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72,
+	0x65, 0x6e, 0x63, 0x79, 0x12, 0x28, 0x0a, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x43, 0x6f, 0x6e, 0x63,
+	0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0f, 0x78,
+	0x75, 0x64, 0x70, 0x43, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x12, 0x28,
+	0x0a, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x55, 0x44, 0x50, 0x34, 0x34,
+	0x33, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x50, 0x72, 0x6f,
+	0x78, 0x79, 0x55, 0x44, 0x50, 0x34, 0x34, 0x33, 0x42, 0x55, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e,
+	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61,
+	0x6e, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61,
+	0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0xaa, 0x02, 0x11, 0x58, 0x72,
+	0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

app/proxyman/config.proto

@@ -55,6 +55,8 @@ message SniffingConfig {
   bool metadata_only = 4;
 
   bool route_only = 5;
+
+  int64 timeout = 6;
 }
 
 message ReceiverConfig {

app/proxyman/inbound/worker.go

@@ -103,6 +103,7 @@ func (w *tcpWorker) callback(conn stat.Connection) {
 		content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded
 		content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
 		content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
+		content.SniffingRequest.Timeout = time.Duration(w.sniffingConfig.Timeout) * time.Millisecond
 	}
 	ctx = session.ContextWithContent(ctx, content)
 
@@ -324,9 +325,9 @@ func (w *udpWorker) callback(b *buf.Buffer, source net.Destination, originalDest
 			if w.sniffingConfig != nil {
 				content.SniffingRequest.Enabled = w.sniffingConfig.Enabled
 				content.SniffingRequest.OverrideDestinationForProtocol = w.sniffingConfig.DestinationOverride
-				content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded
 				content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
 				content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
+				content.SniffingRequest.Timeout = time.Duration(w.sniffingConfig.Timeout) * time.Millisecond
 			}
 			ctx = session.ContextWithContent(ctx, content)
 			if err := w.proxy.Process(ctx, net.Network_UDP, conn, w.dispatcher); err != nil {
@@ -478,6 +479,7 @@ func (w *dsWorker) callback(conn stat.Connection) {
 		content.SniffingRequest.ExcludeForDomain = w.sniffingConfig.DomainsExcluded
 		content.SniffingRequest.MetadataOnly = w.sniffingConfig.MetadataOnly
 		content.SniffingRequest.RouteOnly = w.sniffingConfig.RouteOnly
+		content.SniffingRequest.Timeout = time.Duration(w.sniffingConfig.Timeout) * time.Millisecond
 	}
 	ctx = session.ContextWithContent(ctx, content)
 

app/router/router_test.go

@@ -177,7 +177,7 @@ func TestIPOnDemand(t *testing.T) {
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
-	}).Return([]net.IP{{192, 168, 0, 1}}, uint32(600), nil).AnyTimes()
+	}).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
 
 	r := new(Router)
 	common.Must(r.Init(context.TODO(), config, mockDNS, nil, nil))
@@ -222,7 +222,7 @@ func TestIPIfNonMatchDomain(t *testing.T) {
 		IPv4Enable: true,
 		IPv6Enable: true,
 		FakeEnable: false,
-	}).Return([]net.IP{{192, 168, 0, 1}}, uint32(600), nil).AnyTimes()
+	}).Return([]net.IP{{192, 168, 0, 1}}, nil).AnyTimes()
 
 	r := new(Router)
 	common.Must(r.Init(context.TODO(), config, mockDNS, nil, nil))

app/stats/online_map.go

@@ -40,11 +40,11 @@ func (c *OnlineMap) AddIP(ip string) {
 	if ip == "127.0.0.1" {
 		return
 	}
-	c.access.Lock()
 	if _, ok := list[ip]; !ok {
+		c.access.Lock()
 		list[ip] = time.Now()
-	}
 		c.access.Unlock()
+	}
 	if time.Since(c.lastCleanup) > c.cleanupPeriod {
 		list = c.RemoveExpiredIPs(list)
 		c.lastCleanup = time.Now()

common/crypto/crypto.go

@@ -1,15 +1,2 @@
 // Package crypto provides common crypto libraries for Xray.
 package crypto // import "github.com/xtls/xray-core/common/crypto"
-
-import (
-	"crypto/rand"
-	"math/big"
-)
-
-func RandBetween(from int64, to int64) int64 {
-	if from == to {
-		return from
-	}
-	bigInt, _ := rand.Int(rand.Reader, big.NewInt(to-from))
-	return from + bigInt.Int64()
-}

common/mux/server.go

@@ -120,7 +120,7 @@ func (w *ServerWorker) handleStatusKeepAlive(meta *FrameMetadata, reader *buf.Bu
 func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata, reader *buf.BufferedReader) error {
 	// deep-clone outbounds because it is going to be mutated concurrently
 	// (Target and OriginalTarget)
-	ctx = session.ContextCloneOutboundsAndContent(ctx)
+	ctx = session.ContextCloneOutbounds(ctx)
 	errors.LogInfo(ctx, "received request for ", meta.Target)
 	{
 		msg := &log.AccessMessage{

common/net/net.go

@@ -1,14 +1,2 @@
 // Package net is a drop-in replacement to Golang's net package, with some more functionalities.
 package net // import "github.com/xtls/xray-core/common/net"
-
-import "time"
-
-// defines the maximum time an idle TCP session can survive in the tunnel, so
-// it should be consistent across HTTP versions and with other transports.
-const ConnIdleTimeout = 300 * time.Second
-
-// consistent with quic-go
-const QuicgoH3KeepAlivePeriod = 10 * time.Second
-
-// consistent with chrome
-const ChromeH2KeepAlivePeriod = 45 * time.Second

common/platform/filesystem/file.go

@@ -3,7 +3,6 @@ package filesystem
 import (
 	"io"
 	"os"
-	"path/filepath"
 
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/platform"
@@ -29,13 +28,6 @@ func ReadAsset(file string) ([]byte, error) {
 	return ReadFile(platform.GetAssetLocation(file))
 }
 
-func ReadCert(file string) ([]byte, error) {
-	if filepath.IsAbs(file) {
-		return ReadFile(file)
-	}
-	return ReadFile(platform.GetCertLocation(file))
-}
-
 func CopyFile(dst string, src string) error {
 	bytes, err := ReadFile(src)
 	if err != nil {

common/platform/others.go

@@ -21,7 +21,7 @@ func GetToolLocation(file string) string {
 	return filepath.Join(toolPath, file)
 }
 
-// GetAssetLocation searches for `file` in the env dir, the executable dir, and certain locations
+// GetAssetLocation searches for `file` in certain locations
 func GetAssetLocation(file string) string {
 	assetPath := NewEnvFlag(AssetLocation).GetValue(getExecutableDir)
 	defPath := filepath.Join(assetPath, file)
@@ -42,9 +42,3 @@ func GetAssetLocation(file string) string {
 	// asset not found, let the caller throw out the error
 	return defPath
 }
-
-// GetCertLocation searches for `file` in the env dir and the executable dir
-func GetCertLocation(file string) string {
-	certPath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
-	return filepath.Join(certPath, file)
-}

common/platform/platform.go

@@ -13,7 +13,6 @@ const (
 	ConfdirLocation = "xray.location.confdir"
 	ToolLocation    = "xray.location.tool"
 	AssetLocation   = "xray.location.asset"
-	CertLocation    = "xray.location.cert"
 
 	UseReadV         = "xray.buf.readv"
 	UseFreedomSplice = "xray.buf.splice"

common/platform/windows.go

@@ -19,14 +19,8 @@ func GetToolLocation(file string) string {
 	return filepath.Join(toolPath, file+".exe")
 }
 
-// GetAssetLocation searches for `file` in the env dir and the executable dir
+// GetAssetLocation searches for `file` in the executable dir
 func GetAssetLocation(file string) string {
 	assetPath := NewEnvFlag(AssetLocation).GetValue(getExecutableDir)
 	return filepath.Join(assetPath, file)
 }
-
-// GetCertLocation searches for `file` in the env dir and the executable dir
-func GetCertLocation(file string) string {
-	certPath := NewEnvFlag(CertLocation).GetValue(getExecutableDir)
-	return filepath.Join(certPath, file)
-}

common/protocol/http/sniff.go

@@ -63,7 +63,7 @@ func SniffHTTP(b []byte, c context.Context) (*SniffHeader, error) {
 	ShouldSniffAttr := true
 	// If content.Attributes have information, that means it comes from HTTP inbound PlainHTTP mode.
 	// It will set attributes, so skip it.
-	if content == nil || len(content.Attributes) != 0 {
+	if content == nil || content.AttributeLen() != 0 {
 		ShouldSniffAttr = false
 	}
 	if err := beginWithHTTPMethod(b); err != nil {

common/protocol/tls/cert/.gitignore

@@ -0,0 +1,2 @@
+*.crt
+*.key

common/session/context.go

@@ -42,7 +42,7 @@ func ContextWithOutbounds(ctx context.Context, outbounds []*Outbound) context.Co
 	return context.WithValue(ctx, outboundSessionKey, outbounds)
 }
 
-func ContextCloneOutboundsAndContent(ctx context.Context) context.Context {
+func ContextCloneOutbounds(ctx context.Context) context.Context {
 	outbounds := OutboundsFromContext(ctx)
 	newOutbounds := make([]*Outbound, len(outbounds))
 	for i, ob := range outbounds {
@@ -55,15 +55,7 @@ func ContextCloneOutboundsAndContent(ctx context.Context) context.Context {
 		newOutbounds[i] = &v
 	}
 
-	content := ContentFromContext(ctx)
-	newContent := Content{}
-	if content != nil {
-		newContent = *content
-		if content.Attributes != nil {
-			panic("content.Attributes != nil")
-		}
-	}
-	return ContextWithContent(ContextWithOutbounds(ctx, newOutbounds), &newContent)
+	return ContextWithOutbounds(ctx, newOutbounds)
 }
 
 func OutboundsFromContext(ctx context.Context) []*Outbound {

common/session/session.go

@@ -4,6 +4,8 @@ package session // import "github.com/xtls/xray-core/common/session"
 import (
 	"context"
 	"math/rand"
+	"sync"
+	"time"
 
 	c "github.com/xtls/xray-core/common/ctx"
 	"github.com/xtls/xray-core/common/errors"
@@ -74,11 +76,12 @@ type Outbound struct {
 
 // SniffingRequest controls the behavior of content sniffing.
 type SniffingRequest struct {
-	ExcludeForDomain               []string // read-only once set
-	OverrideDestinationForProtocol []string // read-only once set
+	ExcludeForDomain               []string
+	OverrideDestinationForProtocol []string
 	Enabled                        bool
 	MetadataOnly                   bool
 	RouteOnly                      bool
+	Timeout                        time.Duration
 }
 
 // Content is the metadata of the connection content.
@@ -91,6 +94,10 @@ type Content struct {
 	Attributes map[string]string
 
 	SkipDNSResolve bool
+
+	mu sync.Mutex
+
+	isLocked bool
 }
 
 // Sockopt is the settings for socket connection.
@@ -99,8 +106,22 @@ type Sockopt struct {
 	Mark int32
 }
 
+// Some how when using mux, there will be a same ctx between different requests
+// This will cause problem as it's designed for single request, like concurrent map writes
+// Add a Mutex as a temp solution
+
 // SetAttribute attaches additional string attributes to content.
 func (c *Content) SetAttribute(name string, value string) {
+	if c.isLocked {
+		errors.LogError(context.Background(), "Multiple goroutines are tring to access one routing content, tring to write ", name, ":", value)
+	}
+	c.mu.Lock()
+	c.isLocked = true
+	defer func() {
+		c.isLocked = false
+		c.mu.Unlock()
+	}()
+
 	if c.Attributes == nil {
 		c.Attributes = make(map[string]string)
 	}
@@ -109,8 +130,24 @@ func (c *Content) SetAttribute(name string, value string) {
 
 // Attribute retrieves additional string attributes from content.
 func (c *Content) Attribute(name string) string {
+	c.mu.Lock()
+	c.isLocked = true
+	defer func() {
+		c.isLocked = false
+		c.mu.Unlock()
+	}()
 	if c.Attributes == nil {
 		return ""
 	}
 	return c.Attributes[name]
 }
+
+func (c *Content) AttributeLen() int {
+	c.mu.Lock()
+	c.isLocked = true
+	defer func() {
+		c.isLocked = false
+		c.mu.Unlock()
+	}()
+	return len(c.Attributes)
+}

core/core.go

@@ -18,8 +18,8 @@ import (
 
 var (
 	Version_x byte = 25
-	Version_y byte = 3
-	Version_z byte = 31
+	Version_y byte = 2
+	Version_z byte = 21
 )
 
 var (

features/dns/client.go

@@ -21,7 +21,7 @@ type Client interface {
 	features.Feature
 
 	// LookupIP returns IP address for the given domain. IPs may contain IPv4 and/or IPv6 addresses.
-	LookupIP(domain string, option IPOption) ([]net.IP, uint32, error)
+	LookupIP(domain string, option IPOption) ([]net.IP, error)
 }
 
 type HostsLookup interface {

features/dns/localdns/client.go

@@ -20,10 +20,10 @@ func (*Client) Start() error { return nil }
 func (*Client) Close() error { return nil }
 
 // LookupIP implements Client.
-func (*Client) LookupIP(host string, option dns.IPOption) ([]net.IP, uint32, error) {
+func (*Client) LookupIP(host string, option dns.IPOption) ([]net.IP, error) {
 	ips, err := net.LookupIP(host)
 	if err != nil {
-		return nil, 0, err
+		return nil, err
 	}
 	parsedIPs := make([]net.IP, 0, len(ips))
 	ipv4 := make([]net.IP, 0, len(ips))
@@ -40,22 +40,21 @@ func (*Client) LookupIP(host string, option dns.IPOption) ([]net.IP, uint32, err
 			ipv6 = append(ipv6, ip)
 		}
 	}
-	// Local DNS ttl is 600
 	switch {
 	case option.IPv4Enable && option.IPv6Enable:
 		if len(parsedIPs) > 0 {
-			return parsedIPs, 600, nil
+			return parsedIPs, nil
 		}
 	case option.IPv4Enable:
 		if len(ipv4) > 0 {
-			return ipv4, 600, nil
+			return ipv4, nil
 		}
 	case option.IPv6Enable:
 		if len(ipv6) > 0 {
-			return ipv6, 600, nil
+			return ipv6, nil
 		}
 	}
-	return nil, 0, dns.ErrEmptyResponse
+	return nil, dns.ErrEmptyResponse
 }
 
 // New create a new dns.Client that queries localhost for DNS.

features/routing/dns/context.go

@@ -23,7 +23,7 @@ func (ctx *ResolvableContext) GetTargetIPs() []net.IP {
 	}
 
 	if domain := ctx.GetTargetDomain(); len(domain) != 0 {
-		ips, _, err := ctx.dnsClient.LookupIP(domain, dns.IPOption{
+		ips, err := ctx.dnsClient.LookupIP(domain, dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: true,
 			FakeEnable: false,

go.mod

@@ -1,18 +1,18 @@
 module github.com/xtls/xray-core
 
-go 1.24
+go 1.23
 
 require (
 	github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0
 	github.com/cloudflare/circl v1.6.0
 	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.7.0-rc.1
-	github.com/google/go-cmp v0.7.0
+	github.com/google/go-cmp v0.6.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/miekg/dns v1.1.64
+	github.com/miekg/dns v1.1.63
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.8.0
-	github.com/quic-go/quic-go v0.50.1
+	github.com/quic-go/quic-go v0.50.0
 	github.com/refraction-networking/utls v1.6.7
 	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
@@ -22,16 +22,16 @@ require (
 	github.com/vishvananda/netlink v1.3.0
 	github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.36.0
-	golang.org/x/net v0.38.0
-	golang.org/x/sync v0.12.0
-	golang.org/x/sys v0.31.0
+	golang.org/x/crypto v0.33.0
+	golang.org/x/net v0.35.0
+	golang.org/x/sync v0.11.0
+	golang.org/x/sys v0.30.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
-	google.golang.org/grpc v1.71.0
-	google.golang.org/protobuf v1.36.6
+	google.golang.org/grpc v1.70.0
+	google.golang.org/protobuf v1.36.5
 	gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0
 	h12.io/socks v1.0.3
-	lukechampine.com/blake3 v1.4.0
+	lukechampine.com/blake3 v1.3.0
 )
 
 require (
@@ -50,12 +50,12 @@ require (
 	github.com/vishvananda/netns v0.0.4 // indirect
 	go.uber.org/mock v0.5.0 // indirect
 	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
-	golang.org/x/mod v0.23.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
 	golang.org/x/time v0.7.0 // indirect
-	golang.org/x/tools v0.30.0 // indirect
+	golang.org/x/tools v0.26.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -24,8 +24,8 @@ github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/btree v1.1.2 h1:xf4v41cLI2Z6FxbKm+8Bu+m8ifhj15JuZ9sa0jZCMUU=
 github.com/google/btree v1.1.2/go.mod h1:qOPhT0dTNdNzV6Z/lhRX0YXUafgPLFUh+gZMl761Gm4=
-github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
-github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/pprof v0.0.0-20240528025155-186aa0362fba h1:ql1qNgCyOB7iAEk8JTNM+zJrgIbnyCKX/wdlyPufP5g=
 github.com/google/pprof v0.0.0-20240528025155-186aa0362fba/go.mod h1:K1liHPHnj73Fdn/EKuT8nrFqBihUSKXoLYU0BuatOYo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@@ -38,8 +38,8 @@ github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0N
 github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
 github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
-github.com/miekg/dns v1.1.64 h1:wuZgD9wwCE6XMT05UU/mlSko71eRSXEAm2EbjQXLKnQ=
-github.com/miekg/dns v1.1.64/go.mod h1:Dzw9769uoKVaLuODMDZz9M6ynFU6Em65csPuoi8G0ck=
+github.com/miekg/dns v1.1.63 h1:8M5aAw6OMZfFXTT7K5V0Eu5YiiL8l7nUAkyN6C9YwaY=
+github.com/miekg/dns v1.1.63/go.mod h1:6NGHfjhpmr5lt3XPLuyfDJi5AXbNIPM9PY6H6sF1Nfs=
 github.com/onsi/ginkgo/v2 v2.19.0 h1:9Cnnf7UHo57Hy3k6/m5k3dRfGTMXGvxhHFvkDTCTpvA=
 github.com/onsi/ginkgo/v2 v2.19.0/go.mod h1:rlwLi9PilAFJ8jCg9UE1QP6VBpd6/xj3SRC0d6TU0To=
 github.com/onsi/gomega v1.33.1 h1:dsYjIxxSR755MDmKVsaFQTE22ChNBcuuTWgkUDSubOk=
@@ -54,8 +54,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/quic-go/qpack v0.5.1 h1:giqksBPnT/HDtZ6VhtFKgoLOWmlyo9Ei6u9PqzIMbhI=
 github.com/quic-go/qpack v0.5.1/go.mod h1:+PC4XFrEskIVkcLzpEkbLqq1uCoxPhQuvK5rH1ZgaEg=
-github.com/quic-go/quic-go v0.50.1 h1:unsgjFIUqW8a2oopkY7YNONpV1gYND6Nt9hnt1PN94Q=
-github.com/quic-go/quic-go v0.50.1/go.mod h1:Vim6OmUvlYdwBhXP9ZVrtGmCMWa3wEqhq3NgYrI8b4E=
+github.com/quic-go/quic-go v0.50.0 h1:3H/ld1pa3CYhkcc20TPIyG1bNsdhn9qZBGN3b9/UyUo=
+github.com/quic-go/quic-go v0.50.0/go.mod h1:Vim6OmUvlYdwBhXP9ZVrtGmCMWa3wEqhq3NgYrI8b4E=
 github.com/refraction-networking/utls v1.6.7 h1:zVJ7sP1dJx/WtVuITug3qYUq034cDq9B2MR1K67ULZM=
 github.com/refraction-networking/utls v1.6.7/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
 github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
@@ -79,40 +79,38 @@ github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZla
 github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d h1:+B97uD9uHLgAAulhigmys4BVwZZypzK7gPN3WtpgRJg=
 github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d/go.mod h1:dm4y/1QwzjGaK17ofi0Vs6NpKAHegZky8qk6J2JJZAE=
 github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
-go.opentelemetry.io/otel v1.34.0 h1:zRLXxLCgL1WyKsPVrgbSdMN4c0FMkDAskSTQP+0hdUY=
-go.opentelemetry.io/otel v1.34.0/go.mod h1:OWFPOQ+h4G8xpyjgqo4SxJYdDQ/qmRH+wivy7zzx9oI=
-go.opentelemetry.io/otel/metric v1.34.0 h1:+eTR3U0MyfWjRDhmFMxe2SsW64QrZ84AOhvqS7Y+PoQ=
-go.opentelemetry.io/otel/metric v1.34.0/go.mod h1:CEDrp0fy2D0MvkXE+dPV7cMi8tWZwX3dmaIhwPOaqHE=
-go.opentelemetry.io/otel/sdk v1.34.0 h1:95zS4k/2GOy069d321O8jWgYsW3MzVV+KuSPKp7Wr1A=
-go.opentelemetry.io/otel/sdk v1.34.0/go.mod h1:0e/pNiaMAqaykJGKbi+tSjWfNNHMTxoC9qANsCzbyxU=
-go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce1EK0Gyvahk=
-go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
-go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
-go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
+go.opentelemetry.io/otel v1.32.0 h1:WnBN+Xjcteh0zdk01SVqV55d/m62NJLJdIyb4y/WO5U=
+go.opentelemetry.io/otel v1.32.0/go.mod h1:00DCVSB0RQcnzlwyTfqtxSm+DRr9hpYrHjNGiBHVQIg=
+go.opentelemetry.io/otel/metric v1.32.0 h1:xV2umtmNcThh2/a/aCP+h64Xx5wsj8qqnkYZktzNa0M=
+go.opentelemetry.io/otel/metric v1.32.0/go.mod h1:jH7CIbbK6SH2V2wE16W05BHCtIDzauciCRLoc/SyMv8=
+go.opentelemetry.io/otel/sdk v1.32.0 h1:RNxepc9vK59A8XsgZQouW8ue8Gkb4jpWtJm9ge5lEG4=
+go.opentelemetry.io/otel/sdk v1.32.0/go.mod h1:LqgegDBjKMmb2GC6/PrTnteJG39I8/vJCAP9LlJXEjU=
+go.opentelemetry.io/otel/sdk/metric v1.32.0 h1:rZvFnvmvawYb0alrYkjraqJq0Z4ZUJAiyYCU9snn1CU=
+go.opentelemetry.io/otel/sdk/metric v1.32.0/go.mod h1:PWeZlq0zt9YkYAp3gjKZ0eicRYvOh1Gd+X99x6GHpCQ=
+go.opentelemetry.io/otel/trace v1.32.0 h1:WIC9mYrXf8TmY/EXuULKc8hR17vE+Hjv2cssQDe03fM=
+go.opentelemetry.io/otel/trace v1.32.0/go.mod h1:+i4rkvCraA+tG6AzwloGaCtkx53Fa+L+V8e9a7YvhT8=
 go.uber.org/mock v0.5.0 h1:KAMbZvZPyBPWgD14IrIQ38QCyjwpvVVV6K/bHl1IwQU=
 go.uber.org/mock v0.5.0/go.mod h1:ge71pBPLYDk7QIi1LupWxdAykm7KIEFchiOqd6z7qMM=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBseWJUpBw5I82+2U4M=
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
-golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
+golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
 golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc h1:O9NuF4s+E/PvMIy+9IUZB9znFwUIXEWSstNjek6VpVg=
 golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc=
 golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
-golang.org/x/mod v0.23.0 h1:Zb7khfcRGKk+kqfxFaP5tZqCnDZMjC5VtUBs87Hr6QM=
-golang.org/x/mod v0.23.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
+golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
+golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
-golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
+golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
+golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
-golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
+golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -121,21 +119,21 @@ golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
+golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
 golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
 golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.8/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU=
-golang.org/x/tools v0.30.0 h1:BgcpHewrV5AUp2G9MebG4XPFI1E2W41zU1SaqVA9vJY=
-golang.org/x/tools v0.30.0/go.mod h1:c347cR/OJfw5TI+GfX7RUPNMdDRRbjvYTS0jPyvsVtY=
+golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
+golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -143,12 +141,12 @@ golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeu
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 h1:/jFs0duh4rdb8uIfPMv78iAJGcPKDeqAFnaLBropIC4=
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173/go.mod h1:tkCQ4FQXmpAgYVh++1cq16/dH4QJtmvpRv19DWGAHSA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f h1:OxYkA3wjPsZyBylwymxSHa7ViiW1Sml4ToBrncvFehI=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f/go.mod h1:+2Yz8+CLJbIfL9z73EW45avw8Lmge3xVElCP9zEKi50=
-google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
-google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
-google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
-google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a h1:hgh8P4EuoxpsuKMXX/To36nOFD7vixReXgn8lPGnt+o=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
+google.golang.org/grpc v1.70.0 h1:pWFv03aZoHzlRKHWicjsZytKAiYCtNS0dHbXnIdq7jQ=
+google.golang.org/grpc v1.70.0/go.mod h1:ofIJqVKDXx/JiXrwr2IG4/zwdH9txy3IlF40RmcJSQw=
+google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
+google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -162,5 +160,5 @@ gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0 h1:P+U/06iIKPQ3DLcg+zBfSCia
 gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0/go.mod h1:NQHVAzMwvZ+Qe3ElSiHmq9RUm1MdNHpUZ52fiEqvn+0=
 h12.io/socks v1.0.3 h1:Ka3qaQewws4j4/eDQnOdpr4wXsC//dXtWvftlIcCQUo=
 h12.io/socks v1.0.3/go.mod h1:AIhxy1jOId/XCz9BO+EIgNL2rQiPTBNnOfnVnQ+3Eck=
-lukechampine.com/blake3 v1.4.0 h1:xDbKOZCVbnZsfzM6mHSYcGRHZ3YrLDzqz8XnV4uaD5w=
-lukechampine.com/blake3 v1.4.0/go.mod h1:MQJNQCTnR+kwOP/JEZSxj3MaQjp80FOFSNMMHXcSeX0=
+lukechampine.com/blake3 v1.3.0 h1:sJ3XhFINmHSrYCgl958hscfIa3bw8x4DqMP3u1YvoYE=
+lukechampine.com/blake3 v1.3.0/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=

infra/conf/dns.go

@@ -17,12 +17,8 @@ type NameServerConfig struct {
 	Port          uint16     `json:"port"`
 	SkipFallback  bool       `json:"skipFallback"`
 	Domains       []string   `json:"domains"`
-	ExpectedIPs        StringList `json:"expectedIPs"`
-	ExpectIPs          StringList `json:"expectIPs"`
+	ExpectIPs     StringList `json:"expectIps"`
 	QueryStrategy string     `json:"queryStrategy"`
-	AllowUnexpectedIPs bool       `json:"allowUnexpectedIps"`
-	Tag                string     `json:"tag"`
-	TimeoutMs          uint64     `json:"timeoutMs"`
 }
 
 func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
@@ -38,12 +34,8 @@ func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
 		Port          uint16     `json:"port"`
 		SkipFallback  bool       `json:"skipFallback"`
 		Domains       []string   `json:"domains"`
-		ExpectedIPs        StringList `json:"expectedIPs"`
-		ExpectIPs          StringList `json:"expectIPs"`
+		ExpectIPs     StringList `json:"expectIps"`
 		QueryStrategy string     `json:"queryStrategy"`
-		AllowUnexpectedIPs bool       `json:"allowUnexpectedIps"`
-		Tag                string     `json:"tag"`
-		TimeoutMs          uint64     `json:"timeoutMs"`
 	}
 	if err := json.Unmarshal(data, &advanced); err == nil {
 		c.Address = advanced.Address
@@ -51,12 +43,8 @@ func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
 		c.Port = advanced.Port
 		c.SkipFallback = advanced.SkipFallback
 		c.Domains = advanced.Domains
-		c.ExpectedIPs = advanced.ExpectedIPs
 		c.ExpectIPs = advanced.ExpectIPs
 		c.QueryStrategy = advanced.QueryStrategy
-		c.AllowUnexpectedIPs = advanced.AllowUnexpectedIPs
-		c.Tag = advanced.Tag
-		c.TimeoutMs = advanced.TimeoutMs
 		return nil
 	}
 
@@ -104,13 +92,9 @@ func (c *NameServerConfig) Build() (*dns.NameServer, error) {
 		})
 	}
 
-	var expectedIPs = c.ExpectedIPs
-	if len(expectedIPs) == 0 {
-		expectedIPs = c.ExpectIPs
-	}
-	geoipList, err := ToCidrList(expectedIPs)
+	geoipList, err := ToCidrList(c.ExpectIPs)
 	if err != nil {
-		return nil, errors.New("invalid IP rule: ", expectedIPs).Base(err)
+		return nil, errors.New("invalid IP rule: ", c.ExpectIPs).Base(err)
 	}
 
 	var myClientIP []byte
@@ -133,9 +117,6 @@ func (c *NameServerConfig) Build() (*dns.NameServer, error) {
 		Geoip:             geoipList,
 		OriginalRules:     originalRules,
 		QueryStrategy:     resolveQueryStrategy(c.QueryStrategy),
-		AllowUnexpectedIPs: c.AllowUnexpectedIPs,
-		Tag:                c.Tag,
-		TimeoutMs:          c.TimeoutMs,
 	}, nil
 }
 

infra/conf/transport_internet.go

@@ -334,7 +334,7 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 
 func readFileOrString(f string, s []string) ([]byte, error) {
 	if len(f) > 0 {
-		return filesystem.ReadCert(f)
+		return filesystem.ReadFile(f)
 	}
 	if len(s) > 0 {
 		return []byte(strings.Join(s, "\n")), nil
@@ -502,7 +502,6 @@ type REALITYConfig struct {
 
 	Fingerprint string `json:"fingerprint"`
 	ServerName  string `json:"serverName"`
-	Password    string `json:"password"`
 	PublicKey   string `json:"publicKey"`
 	ShortId     string `json:"shortId"`
 	SpiderX     string `json:"spiderX"`
@@ -611,14 +610,11 @@ func (c *REALITYConfig) Build() (proto.Message, error) {
 		if len(c.ServerNames) != 0 {
 			return nil, errors.New(`non-empty "serverNames", please use "serverName" instead`)
 		}
-		if c.Password != "" {
-			c.PublicKey = c.Password
-		}
 		if c.PublicKey == "" {
-			return nil, errors.New(`empty "password"`)
+			return nil, errors.New(`empty "publicKey"`)
 		}
 		if config.PublicKey, err = base64.RawURLEncoding.DecodeString(c.PublicKey); err != nil || len(config.PublicKey) != 32 {
-			return nil, errors.New(`invalid "password": `, c.PublicKey)
+			return nil, errors.New(`invalid "publicKey": `, c.PublicKey)
 		}
 		if len(c.ShortIds) != 0 {
 			return nil, errors.New(`non-empty "shortIds", please use "shortId" instead`)
@@ -691,7 +687,6 @@ func (p TransportProtocol) Build() (string, error) {
 }
 
 type CustomSockoptConfig struct {
-	Network string `json:"network"`
 	Level string `json:"level"`
 	Opt   string `json:"opt"`
 	Value string `json:"value"`
@@ -716,7 +711,6 @@ type SocketConfig struct {
 	Interface            string                 `json:"interface"`
 	TcpMptcp             bool                   `json:"tcpMptcp"`
 	CustomSockopt        []*CustomSockoptConfig `json:"customSockopt"`
-	AddressPortStrategy  string                 `json:"addressPortStrategy"`
 }
 
 // Build implements Buildable.
@@ -778,7 +772,6 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 
 	for _, copt := range c.CustomSockopt {
 		customSockopt := &internet.CustomSockopt{
-			Network: copt.Network,
 			Level: copt.Level,
 			Opt:   copt.Opt,
 			Value: copt.Value,
@@ -787,26 +780,6 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		customSockopts = append(customSockopts, customSockopt)
 	}
 
-	addressPortStrategy := internet.AddressPortStrategy_None
-	switch strings.ToLower(c.AddressPortStrategy) {
-	case "none", "":
-		addressPortStrategy = internet.AddressPortStrategy_None
-	case "srvportonly":
-		addressPortStrategy = internet.AddressPortStrategy_SrvPortOnly
-	case "srvaddressonly":
-		addressPortStrategy = internet.AddressPortStrategy_SrvAddressOnly
-	case "srvportandaddress":
-		addressPortStrategy = internet.AddressPortStrategy_SrvPortAndAddress
-	case "txtportonly":
-		addressPortStrategy = internet.AddressPortStrategy_TxtPortOnly
-	case "txtaddressonly":
-		addressPortStrategy = internet.AddressPortStrategy_TxtAddressOnly
-	case "txtportandaddress":
-		addressPortStrategy = internet.AddressPortStrategy_TxtPortAndAddress
-	default:
-		return nil, errors.New("unsupported address and port strategy: ", c.AddressPortStrategy)
-	}
-
 	return &internet.SocketConfig{
 		Mark:                 c.Mark,
 		Tfo:                  tfo,
@@ -825,7 +798,6 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		Interface:            c.Interface,
 		TcpMptcp:             c.TcpMptcp,
 		CustomSockopt:        customSockopts,
-		AddressPortStrategy:  addressPortStrategy,
 	}, nil
 }
 

infra/conf/wireguard.go

@@ -67,7 +67,7 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {
 	var err error
 	config.SecretKey, err = ParseWireGuardKey(c.SecretKey)
 	if err != nil {
-		return nil, errors.New("invalid WireGuard secret key: %w", err)
+		return nil, err
 	}
 
 	if c.Address == nil {
@@ -126,10 +126,6 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {
 func ParseWireGuardKey(str string) (string, error) {
 	var err error
 
-	if str == "" {
-		return "", errors.New("key must not be empty")
-	}
-
 	if len(str)%2 == 0 {
 		_, err = hex.DecodeString(str)
 		if err == nil {

infra/conf/xray.go

@@ -55,6 +55,7 @@ type SniffingConfig struct {
 	DomainsExcluded *StringList `json:"domainsExcluded"`
 	MetadataOnly    bool        `json:"metadataOnly"`
 	RouteOnly       bool        `json:"routeOnly"`
+	Timeout         int64       `json:"timeout"`
 }
 
 // Build implements Buildable.
@@ -92,6 +93,7 @@ func (c *SniffingConfig) Build() (*proxyman.SniffingConfig, error) {
 		DomainsExcluded:     d,
 		MetadataOnly:        c.MetadataOnly,
 		RouteOnly:           c.RouteOnly,
+		Timeout:             c.Timeout,
 	}, nil
 }
 
@@ -241,14 +243,14 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
 	}
 	rawConfig, err := inboundConfigLoader.LoadWithID(settings, c.Protocol)
 	if err != nil {
-		return nil, errors.New("failed to load inbound detour config for protocol ", c.Protocol).Base(err)
+		return nil, errors.New("failed to load inbound detour config.").Base(err)
 	}
 	if dokodemoConfig, ok := rawConfig.(*DokodemoConfig); ok {
 		receiverSettings.ReceiveOriginalDestination = dokodemoConfig.Redirect
 	}
 	ts, err := rawConfig.(Buildable).Build()
 	if err != nil {
-		return nil, errors.New("failed to build inbound handler for protocol ", c.Protocol).Base(err)
+		return nil, err
 	}
 
 	return &core.InboundHandlerConfig{
@@ -303,7 +305,7 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	if c.StreamSetting != nil {
 		ss, err := c.StreamSetting.Build()
 		if err != nil {
-			return nil, errors.New("failed to build stream settings for outbound detour").Base(err)
+			return nil, err
 		}
 		senderSettings.StreamSettings = ss
 	}
@@ -311,7 +313,7 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	if c.ProxySettings != nil {
 		ps, err := c.ProxySettings.Build()
 		if err != nil {
-			return nil, errors.New("invalid outbound detour proxy settings").Base(err)
+			return nil, errors.New("invalid outbound detour proxy settings.").Base(err)
 		}
 		if ps.TransportLayerProxy {
 			if senderSettings.StreamSettings != nil {
@@ -331,7 +333,7 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	if c.MuxSettings != nil {
 		ms, err := c.MuxSettings.Build()
 		if err != nil {
-			return nil, errors.New("failed to build Mux config").Base(err)
+			return nil, errors.New("failed to build Mux config.").Base(err)
 		}
 		senderSettings.MultiplexSettings = ms
 	}
@@ -342,11 +344,11 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	}
 	rawConfig, err := outboundConfigLoader.LoadWithID(settings, c.Protocol)
 	if err != nil {
-		return nil, errors.New("failed to load outbound detour config for protocol ", c.Protocol).Base(err)
+		return nil, errors.New("failed to parse to outbound detour config.").Base(err)
 	}
 	ts, err := rawConfig.(Buildable).Build()
 	if err != nil {
-		return nil, errors.New("failed to build outbound handler for protocol ", c.Protocol).Base(err)
+		return nil, err
 	}
 
 	return &core.OutboundHandlerConfig{
@@ -490,7 +492,7 @@ func (c *Config) Override(o *Config, fn string) {
 // Build implements Buildable.
 func (c *Config) Build() (*core.Config, error) {
 	if err := PostProcessConfigureFile(c); err != nil {
-		return nil, errors.New("failed to post-process configuration file").Base(err)
+		return nil, err
 	}
 
 	config := &core.Config{
@@ -504,21 +506,21 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.API != nil {
 		apiConf, err := c.API.Build()
 		if err != nil {
-			return nil, errors.New("failed to build API configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(apiConf))
 	}
 	if c.Metrics != nil {
 		metricsConf, err := c.Metrics.Build()
 		if err != nil {
-			return nil, errors.New("failed to build metrics configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(metricsConf))
 	}
 	if c.Stats != nil {
 		statsConf, err := c.Stats.Build()
 		if err != nil {
-			return nil, errors.New("failed to build stats configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(statsConf))
 	}
@@ -536,7 +538,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.RouterConfig != nil {
 		routerConfig, err := c.RouterConfig.Build()
 		if err != nil {
-			return nil, errors.New("failed to build routing configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(routerConfig))
 	}
@@ -544,7 +546,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.DNSConfig != nil {
 		dnsApp, err := c.DNSConfig.Build()
 		if err != nil {
-			return nil, errors.New("failed to build DNS configuration").Base(err)
+			return nil, errors.New("failed to parse DNS config").Base(err)
 		}
 		config.App = append(config.App, serial.ToTypedMessage(dnsApp))
 	}
@@ -552,7 +554,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.Policy != nil {
 		pc, err := c.Policy.Build()
 		if err != nil {
-			return nil, errors.New("failed to build policy configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(pc))
 	}
@@ -560,7 +562,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.Reverse != nil {
 		r, err := c.Reverse.Build()
 		if err != nil {
-			return nil, errors.New("failed to build reverse configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(r))
 	}
@@ -568,7 +570,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.FakeDNS != nil {
 		r, err := c.FakeDNS.Build()
 		if err != nil {
-			return nil, errors.New("failed to build fake DNS configuration").Base(err)
+			return nil, err
 		}
 		config.App = append([]*serial.TypedMessage{serial.ToTypedMessage(r)}, config.App...)
 	}
@@ -576,7 +578,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.Observatory != nil {
 		r, err := c.Observatory.Build()
 		if err != nil {
-			return nil, errors.New("failed to build observatory configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(r))
 	}
@@ -584,7 +586,7 @@ func (c *Config) Build() (*core.Config, error) {
 	if c.BurstObservatory != nil {
 		r, err := c.BurstObservatory.Build()
 		if err != nil {
-			return nil, errors.New("failed to build burst observatory configuration").Base(err)
+			return nil, err
 		}
 		config.App = append(config.App, serial.ToTypedMessage(r))
 	}
@@ -602,7 +604,7 @@ func (c *Config) Build() (*core.Config, error) {
 	for _, rawInboundConfig := range inbounds {
 		ic, err := rawInboundConfig.Build()
 		if err != nil {
-			return nil, errors.New("failed to build inbound config with tag ", rawInboundConfig.Tag).Base(err)
+			return nil, err
 		}
 		config.Inbound = append(config.Inbound, ic)
 	}
@@ -616,7 +618,7 @@ func (c *Config) Build() (*core.Config, error) {
 	for _, rawOutboundConfig := range outbounds {
 		oc, err := rawOutboundConfig.Build()
 		if err != nil {
-			return nil, errors.New("failed to build outbound config with tag ", rawOutboundConfig.Tag).Base(err)
+			return nil, err
 		}
 		config.Outbound = append(config.Outbound, oc)
 	}

infra/vprotogen/main.go

@@ -89,11 +89,12 @@ func whichProtoc(suffix, targetedVersion string) (string, error) {
 
 	path, err := exec.LookPath(protoc)
 	if err != nil {
-		return "", fmt.Errorf(`
+		errStr := fmt.Sprintf(`
 Command "%s" not found.
 Make sure that %s is in your system path or current path.
 Download %s v%s or later from https://github.com/protocolbuffers/protobuf/releases
 `, protoc, protoc, protoc, targetedVersion)
+		return "", fmt.Errorf(errStr)
 	}
 	return path, nil
 }

main/commands/all/convert/json.go

@@ -50,17 +50,17 @@ func executeTypedMessageToJson(cmd *base.Command, args []string) {
 
 	reader, err := confloader.LoadConfig(cmd.Flag.Arg(0))
 	if err != nil {
-		base.Fatalf("failed to load config: %s", err)
+		base.Fatalf(err.Error())
 	}
 
 	b, err := io.ReadAll(reader)
 	if err != nil {
-		base.Fatalf("failed to read config: %s", err)
+		base.Fatalf(err.Error())
 	}
 
 	tm := cserial.TypedMessage{}
 	if err = json.Unmarshal(b, &tm); err != nil {
-		base.Fatalf("failed to unmarshal config: %s", err)
+		base.Fatalf(err.Error())
 	}
 
 	if j, ok := creflect.MarshalToJson(&tm, injectTypeInfo); ok {

main/commands/all/convert/protobuf.go

@@ -53,12 +53,12 @@ func executeConvertConfigsToProtobuf(cmd *base.Command, args []string) {
 	}
 
 	if len(unnamedArgs) < 1 {
-		base.Fatalf("invalid config list length: %d", len(unnamedArgs))
+		base.Fatalf("empty config list")
 	}
 
 	pbConfig, err := core.LoadConfig("auto", unnamedArgs)
 	if err != nil {
-		base.Fatalf("failed to load config: %s", err)
+		base.Fatalf(err.Error())
 	}
 
 	if optDump {

proxy/dns/dns.go

@@ -236,18 +236,17 @@ func (h *Handler) handleIPQuery(id uint16, qType dnsmessage.Type, domain string,
 	var ips []net.IP
 	var err error
 
-	var ttl4 uint32
-	var ttl6 uint32
+	var ttl uint32 = 600
 
 	switch qType {
 	case dnsmessage.TypeA:
-		ips, ttl4, err = h.client.LookupIP(domain, dns.IPOption{
+		ips, err = h.client.LookupIP(domain, dns.IPOption{
 			IPv4Enable: true,
 			IPv6Enable: false,
 			FakeEnable: true,
 		})
 	case dnsmessage.TypeAAAA:
-		ips, ttl6, err = h.client.LookupIP(domain, dns.IPOption{
+		ips, err = h.client.LookupIP(domain, dns.IPOption{
 			IPv4Enable: false,
 			IPv6Enable: true,
 			FakeEnable: true,
@@ -260,6 +259,10 @@ func (h *Handler) handleIPQuery(id uint16, qType dnsmessage.Type, domain string,
 		return
 	}
 
+	if fkr0, ok := h.fdns.(dns.FakeDNSEngineRev0); ok && len(ips) > 0 && fkr0.IsIPInIPPool(net.IPAddress(ips[0])) {
+		ttl = 1
+	}
+
 	switch qType {
 	case dnsmessage.TypeA:
 		for i, ip := range ips {
@@ -290,17 +293,16 @@ func (h *Handler) handleIPQuery(id uint16, qType dnsmessage.Type, domain string,
 	}))
 	common.Must(builder.StartAnswers())
 
-	rHeader4 := dnsmessage.ResourceHeader{Name: dnsmessage.MustNewName(domain), Class: dnsmessage.ClassINET, TTL: ttl4}
-	rHeader6 := dnsmessage.ResourceHeader{Name: dnsmessage.MustNewName(domain), Class: dnsmessage.ClassINET, TTL: ttl6}
+	rHeader := dnsmessage.ResourceHeader{Name: dnsmessage.MustNewName(domain), Class: dnsmessage.ClassINET, TTL: ttl}
 	for _, ip := range ips {
 		if len(ip) == net.IPv4len {
 			var r dnsmessage.AResource
 			copy(r.A[:], ip)
-			common.Must(builder.AResource(rHeader4, r))
+			common.Must(builder.AResource(rHeader, r))
 		} else {
 			var r dnsmessage.AAAAResource
 			copy(r.AAAA[:], ip)
-			common.Must(builder.AAAAResource(rHeader6, r))
+			common.Must(builder.AAAAResource(rHeader, r))
 		}
 	}
 	msgBytes, err := builder.Finish()

proxy/freedom/freedom.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"crypto/rand"
 	"io"
+	"math/big"
 	"time"
 
 	"github.com/pires/go-proxyproto"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
-	"github.com/xtls/xray-core/common/crypto"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
@@ -71,13 +71,13 @@ func (h *Handler) policy() policy.Session {
 }
 
 func (h *Handler) resolveIP(ctx context.Context, domain string, localAddr net.Address) net.Address {
-	ips, _, err := h.dns.LookupIP(domain, dns.IPOption{
+	ips, err := h.dns.LookupIP(domain, dns.IPOption{
 		IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && h.config.preferIP4(),
 		IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && h.config.preferIP6(),
 	})
 	{ // Resolve fallback
 		if (len(ips) == 0 || err != nil) && h.config.hasFallback() && localAddr == nil {
-			ips, _, err = h.dns.LookupIP(domain, dns.IPOption{
+			ips, err = h.dns.LookupIP(domain, dns.IPOption{
 				IPv4Enable: h.config.fallbackIP4(),
 				IPv6Enable: h.config.fallbackIP6(),
 			})
@@ -414,7 +414,7 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 				noise = n.Packet
 			} else {
 				//Random noise
-				noise, err = GenerateRandomBytes(crypto.RandBetween(int64(n.LengthMin),
+				noise, err = GenerateRandomBytes(randBetween(int64(n.LengthMin),
 					int64(n.LengthMax)))
 			}
 			if err != nil {
@@ -423,7 +423,7 @@ func (w *NoisePacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 			w.Writer.WriteMultiBuffer(buf.MultiBuffer{buf.FromBytes(noise)})
 
 			if n.DelayMin != 0 || n.DelayMax != 0 {
-				time.Sleep(time.Duration(crypto.RandBetween(int64(n.DelayMin), int64(n.DelayMax))) * time.Millisecond)
+				time.Sleep(time.Duration(randBetween(int64(n.DelayMin), int64(n.DelayMax))) * time.Millisecond)
 			}
 		}
 
@@ -452,7 +452,7 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 		buf := make([]byte, 1024)
 		var hello []byte
 		for from := 0; ; {
-			to := from + int(crypto.RandBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
+			to := from + int(randBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
 			if to > len(data) {
 				to = len(data)
 			}
@@ -466,7 +466,7 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 				hello = append(hello, buf[:5+l]...)
 			} else {
 				_, err := f.writer.Write(buf[:5+l])
-				time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
+				time.Sleep(time.Duration(randBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
 				if err != nil {
 					return 0, err
 				}
@@ -493,13 +493,13 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 		return f.writer.Write(b)
 	}
 	for from := 0; ; {
-		to := from + int(crypto.RandBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
+		to := from + int(randBetween(int64(f.fragment.LengthMin), int64(f.fragment.LengthMax)))
 		if to > len(b) {
 			to = len(b)
 		}
 		n, err := f.writer.Write(b[from:to])
 		from += n
-		time.Sleep(time.Duration(crypto.RandBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
+		time.Sleep(time.Duration(randBetween(int64(f.fragment.IntervalMin), int64(f.fragment.IntervalMax))) * time.Millisecond)
 		if err != nil {
 			return from, err
 		}
@@ -509,6 +509,14 @@ func (f *FragmentWriter) Write(b []byte) (int, error) {
 	}
 }
 
+// stolen from github.com/xtls/xray-core/transport/internet/reality
+func randBetween(left int64, right int64) int64 {
+	if left == right {
+		return left
+	}
+	bigInt, _ := rand.Int(rand.Reader, big.NewInt(right-left))
+	return left + bigInt.Int64()
+}
 func GenerateRandomBytes(n int64) ([]byte, error) {
 	b := make([]byte, n)
 	_, err := rand.Read(b)

proxy/http/server.go

@@ -294,7 +294,7 @@ func (s *Server) handlePlainHTTP(ctx context.Context, request *http.Request, wri
 
 	responseDone := func() error {
 		responseReader := bufio.NewReaderSize(&buf.BufferedReader{Reader: link.Reader}, buf.Size)
-		response, err := readResponseAndHandle100Continue(responseReader, request, writer)
+		response, err := http.ReadResponse(responseReader, request)
 		if err == nil {
 			http_proto.RemoveHopByHopHeaders(response.Header)
 			if response.ContentLength >= 0 {
@@ -338,38 +338,6 @@ func (s *Server) handlePlainHTTP(ctx context.Context, request *http.Request, wri
 	return result
 }
 
-// Sometimes, server might send 1xx response to client
-// it should not be processed by http proxy handler, just forward it to client
-func readResponseAndHandle100Continue(r *bufio.Reader, req *http.Request, writer io.Writer) (*http.Response, error) {
-	// have a little look of response
-	peekBytes, err := r.Peek(56)
-	if err == nil || err == bufio.ErrBufferFull {
-		str := string(peekBytes)
-		ResponseLine := strings.Split(str, "\r\n")[0]
-		_, status, _ := strings.Cut(ResponseLine, " ")
-		// only handle 1xx response
-		if strings.HasPrefix(status, "1") {
-			ResponseHeader1xx := []byte{}
-			// read until \r\n\r\n (end of http response header)
-			for {
-				data, err := r.ReadSlice('\n')
-				if err != nil {
-					return nil, errors.New("failed to read http 1xx response").Base(err)
-				}
-				ResponseHeader1xx = append(ResponseHeader1xx, data...)
-				if bytes.Equal(ResponseHeader1xx[len(ResponseHeader1xx)-4:], []byte{'\r', '\n', '\r', '\n'}) {
-					break
-				}
-				if len(ResponseHeader1xx) > 1024 {
-					return nil, errors.New("too big http 1xx response")
-				}
-			}
-			writer.Write(ResponseHeader1xx)
-		}
-	}
-	return http.ReadResponse(r, req)
-}
-
 func init() {
 	common.Must(common.RegisterConfig((*ServerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		return NewServer(ctx, config.(*ServerConfig))

proxy/wireguard/bind.go

@@ -54,7 +54,7 @@ func (n *netBind) ParseEndpoint(s string) (conn.Endpoint, error) {
 
 	addr := xnet.ParseAddress(ipStr)
 	if addr.Family() == xnet.AddressFamilyDomain {
-		ips, _, err := n.dns.LookupIP(addr.Domain(), n.dnsOption)
+		ips, err := n.dns.LookupIP(addr.Domain(), n.dnsOption)
 		if err != nil {
 			return nil, err
 		} else if len(ips) == 0 {

proxy/wireguard/client.go

@@ -150,13 +150,13 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 	// resolve dns
 	addr := destination.Address
 	if addr.Family().IsDomain() {
-		ips, _, err := h.dns.LookupIP(addr.Domain(), dns.IPOption{
+		ips, err := h.dns.LookupIP(addr.Domain(), dns.IPOption{
 			IPv4Enable: h.hasIPv4 && h.conf.preferIP4(),
 			IPv6Enable: h.hasIPv6 && h.conf.preferIP6(),
 		})
 		{ // Resolve fallback
 			if (len(ips) == 0 || err != nil) && h.conf.hasFallback() {
-				ips, _, err = h.dns.LookupIP(addr.Domain(), dns.IPOption{
+				ips, err = h.dns.LookupIP(addr.Domain(), dns.IPOption{
 					IPv4Enable: h.hasIPv4 && h.conf.fallbackIP4(),
 					IPv6Enable: h.hasIPv6 && h.conf.fallbackIP6(),
 				})
@@ -284,13 +284,13 @@ func (h *Handler) createIPCRequest() string {
 				addr = net.ParseAddress(dialerIp.String())
 				errors.LogInfo(h.bind.ctx, "createIPCRequest use dialer dest ip: ", addr)
 			} else {
-				ips, _, err := h.dns.LookupIP(addr.Domain(), dns.IPOption{
+				ips, err := h.dns.LookupIP(addr.Domain(), dns.IPOption{
 					IPv4Enable: h.hasIPv4 && h.conf.preferIP4(),
 					IPv6Enable: h.hasIPv6 && h.conf.preferIP6(),
 				})
 				{ // Resolve fallback
 					if (len(ips) == 0 || err != nil) && h.conf.hasFallback() {
-						ips, _, err = h.dns.LookupIP(addr.Domain(), dns.IPOption{
+						ips, err = h.dns.LookupIP(addr.Domain(), dns.IPOption{
 							IPv4Enable: h.hasIPv4 && h.conf.fallbackIP4(),
 							IPv6Enable: h.hasIPv6 && h.conf.fallbackIP6(),
 						})

proxy/wireguard/gvisortun/tun.go

@@ -10,7 +10,6 @@ import (
 	"fmt"
 	"net/netip"
 	"os"
-	"sync"
 	"syscall"
 
 	"golang.zx2c4.com/wireguard/tun"
@@ -34,7 +33,6 @@ type netTun struct {
 	incomingPacket chan *buffer.View
 	mtu            int
 	hasV4, hasV6   bool
-	closeOnce      sync.Once
 }
 
 type Net netTun
@@ -176,15 +174,18 @@ func (tun *netTun) Flush() error {
 
 // Close implements tun.Device
 func (tun *netTun) Close() error {
-	tun.closeOnce.Do(func() {
 	tun.stack.RemoveNIC(1)
 
+	if tun.events != nil {
 		close(tun.events)
+	}
 
 	tun.ep.Close()
 
+	if tun.incomingPacket != nil {
 		close(tun.incomingPacket)
-	})
+	}
+
 	return nil
 }
 

proxy/wireguard/server_test.go

@@ -1,52 +0,0 @@
-package wireguard_test
-
-import (
-	"context"
-	"github.com/stretchr/testify/assert"
-	"runtime/debug"
-	"testing"
-
-	"github.com/xtls/xray-core/core"
-	"github.com/xtls/xray-core/proxy/wireguard"
-)
-
-// TestWireGuardServerInitializationError verifies that an error during TUN initialization
-// (triggered by an empty SecretKey) in the WireGuard server does not cause a panic and returns an error instead.
-func TestWireGuardServerInitializationError(t *testing.T) {
-	// Create a minimal core instance with default features
-	config := &core.Config{}
-	instance, err := core.New(config)
-	if err != nil {
-		t.Fatalf("Failed to create core instance: %v", err)
-	}
-	// Set the Xray instance in the context
-	ctx := context.WithValue(context.Background(), core.XrayKey(1), instance)
-
-	// Define the server configuration with an empty SecretKey to trigger error
-	conf := &wireguard.DeviceConfig{
-		IsClient:  false,
-		Endpoint:  []string{"10.0.0.1/32"},
-		Mtu:       1420,
-		SecretKey: "", // Empty SecretKey to trigger error
-		Peers: []*wireguard.PeerConfig{
-			{
-				PublicKey:  "some_public_key",
-				AllowedIps: []string{"10.0.0.2/32"},
-			},
-		},
-	}
-
-	// Use defer to catch any panic and fail the test explicitly
-	defer func() {
-		if r := recover(); r != nil {
-			t.Errorf("TUN initialization panicked: %v", r)
-			debug.PrintStack()
-		}
-	}()
-
-	// Attempt to initialize the WireGuard server
-	_, err = wireguard.NewServer(ctx, conf)
-
-	// Check that an error is returned
-	assert.ErrorContains(t, err, "failed to set private_key: hex string does not fit the slice")
-}

testing/mocks/dns.go

@@ -50,13 +50,12 @@ func (mr *DNSClientMockRecorder) Close() *gomock.Call {
 }
 
 // LookupIP mocks base method
-func (m *DNSClient) LookupIP(arg0 string, arg1 dns.IPOption) ([]net.IP, uint32, error) {
+func (m *DNSClient) LookupIP(arg0 string, arg1 dns.IPOption) ([]net.IP, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "LookupIP", arg0, arg1)
 	ret0, _ := ret[0].([]net.IP)
-	ret1, _ := ret[1].(uint32)
-	ret2, _ := ret[2].(error)
-	return ret0, ret1, ret2
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
 }
 
 // LookupIP indicates an expected call of LookupIP

transport/internet/config.pb.go

@@ -95,67 +95,6 @@ func (DomainStrategy) EnumDescriptor() ([]byte, []int) {
 	return file_transport_internet_config_proto_rawDescGZIP(), []int{0}
 }
 
-type AddressPortStrategy int32
-
-const (
-	AddressPortStrategy_None              AddressPortStrategy = 0
-	AddressPortStrategy_SrvPortOnly       AddressPortStrategy = 1
-	AddressPortStrategy_SrvAddressOnly    AddressPortStrategy = 2
-	AddressPortStrategy_SrvPortAndAddress AddressPortStrategy = 3
-	AddressPortStrategy_TxtPortOnly       AddressPortStrategy = 4
-	AddressPortStrategy_TxtAddressOnly    AddressPortStrategy = 5
-	AddressPortStrategy_TxtPortAndAddress AddressPortStrategy = 6
-)
-
-// Enum value maps for AddressPortStrategy.
-var (
-	AddressPortStrategy_name = map[int32]string{
-		0: "None",
-		1: "SrvPortOnly",
-		2: "SrvAddressOnly",
-		3: "SrvPortAndAddress",
-		4: "TxtPortOnly",
-		5: "TxtAddressOnly",
-		6: "TxtPortAndAddress",
-	}
-	AddressPortStrategy_value = map[string]int32{
-		"None":              0,
-		"SrvPortOnly":       1,
-		"SrvAddressOnly":    2,
-		"SrvPortAndAddress": 3,
-		"TxtPortOnly":       4,
-		"TxtAddressOnly":    5,
-		"TxtPortAndAddress": 6,
-	}
-)
-
-func (x AddressPortStrategy) Enum() *AddressPortStrategy {
-	p := new(AddressPortStrategy)
-	*p = x
-	return p
-}
-
-func (x AddressPortStrategy) String() string {
-	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
-}
-
-func (AddressPortStrategy) Descriptor() protoreflect.EnumDescriptor {
-	return file_transport_internet_config_proto_enumTypes[1].Descriptor()
-}
-
-func (AddressPortStrategy) Type() protoreflect.EnumType {
-	return &file_transport_internet_config_proto_enumTypes[1]
-}
-
-func (x AddressPortStrategy) Number() protoreflect.EnumNumber {
-	return protoreflect.EnumNumber(x)
-}
-
-// Deprecated: Use AddressPortStrategy.Descriptor instead.
-func (AddressPortStrategy) EnumDescriptor() ([]byte, []int) {
-	return file_transport_internet_config_proto_rawDescGZIP(), []int{1}
-}
-
 type SocketConfig_TProxyMode int32
 
 const (
@@ -192,11 +131,11 @@ func (x SocketConfig_TProxyMode) String() string {
 }
 
 func (SocketConfig_TProxyMode) Descriptor() protoreflect.EnumDescriptor {
-	return file_transport_internet_config_proto_enumTypes[2].Descriptor()
+	return file_transport_internet_config_proto_enumTypes[1].Descriptor()
 }
 
 func (SocketConfig_TProxyMode) Type() protoreflect.EnumType {
-	return &file_transport_internet_config_proto_enumTypes[2]
+	return &file_transport_internet_config_proto_enumTypes[1]
 }
 
 func (x SocketConfig_TProxyMode) Number() protoreflect.EnumNumber {
@@ -417,11 +356,10 @@ type CustomSockopt struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Network string `protobuf:"bytes,1,opt,name=network,proto3" json:"network,omitempty"`
-	Level   string `protobuf:"bytes,2,opt,name=level,proto3" json:"level,omitempty"`
-	Opt     string `protobuf:"bytes,3,opt,name=opt,proto3" json:"opt,omitempty"`
-	Value   string `protobuf:"bytes,4,opt,name=value,proto3" json:"value,omitempty"`
-	Type    string `protobuf:"bytes,5,opt,name=type,proto3" json:"type,omitempty"`
+	Level string `protobuf:"bytes,1,opt,name=level,proto3" json:"level,omitempty"`
+	Opt   string `protobuf:"bytes,2,opt,name=opt,proto3" json:"opt,omitempty"`
+	Value string `protobuf:"bytes,3,opt,name=value,proto3" json:"value,omitempty"`
+	Type  string `protobuf:"bytes,4,opt,name=type,proto3" json:"type,omitempty"`
 }
 
 func (x *CustomSockopt) Reset() {
@@ -454,13 +392,6 @@ func (*CustomSockopt) Descriptor() ([]byte, []int) {
 	return file_transport_internet_config_proto_rawDescGZIP(), []int{3}
 }
 
-func (x *CustomSockopt) GetNetwork() string {
-	if x != nil {
-		return x.Network
-	}
-	return ""
-}
-
 func (x *CustomSockopt) GetLevel() string {
 	if x != nil {
 		return x.Level
@@ -520,7 +451,6 @@ type SocketConfig struct {
 	Penetrate                  bool             `protobuf:"varint,18,opt,name=penetrate,proto3" json:"penetrate,omitempty"`
 	TcpMptcp                   bool             `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
 	CustomSockopt              []*CustomSockopt `protobuf:"bytes,20,rep,name=customSockopt,proto3" json:"customSockopt,omitempty"`
-	AddressPortStrategy        AddressPortStrategy `protobuf:"varint,21,opt,name=address_port_strategy,json=addressPortStrategy,proto3,enum=xray.transport.internet.AddressPortStrategy" json:"address_port_strategy,omitempty"`
 }
 
 func (x *SocketConfig) Reset() {
@@ -693,13 +623,6 @@ func (x *SocketConfig) GetCustomSockopt() []*CustomSockopt {
 	return nil
 }
 
-func (x *SocketConfig) GetAddressPortStrategy() AddressPortStrategy {
-	if x != nil {
-		return x.AddressPortStrategy
-	}
-	return AddressPortStrategy_None
-}
-
 var File_transport_internet_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_config_proto_rawDesc = []byte{
@@ -748,107 +671,89 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x67, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x30, 0x0a, 0x13,
 	0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x4c, 0x61, 0x79, 0x65, 0x72, 0x50, 0x72,
 	0x6f, 0x78, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x13, 0x74, 0x72, 0x61, 0x6e, 0x73,
-	0x70, 0x6f, 0x72, 0x74, 0x4c, 0x61, 0x79, 0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x22, 0x7b,
+	0x70, 0x6f, 0x72, 0x74, 0x4c, 0x61, 0x79, 0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x22, 0x61,
 	0x0a, 0x0d, 0x43, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x12,
-	0x18, 0x0a, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x07, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x12, 0x14, 0x0a, 0x05, 0x6c, 0x65, 0x76,
-	0x65, 0x6c, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x12,
-	0x10, 0x0a, 0x03, 0x6f, 0x70, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6f, 0x70,
-	0x74, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18,
-	0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x22, 0xfd, 0x07, 0x0a, 0x0c,
-	0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04,
-	0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b,
-	0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x03, 0x74,
-	0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x18, 0x03, 0x20, 0x01,
-	0x28, 0x0e, 0x32, 0x30, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70,
-	0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x6f, 0x63,
-	0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x54, 0x50, 0x72, 0x6f, 0x78, 0x79,
-	0x4d, 0x6f, 0x64, 0x65, 0x52, 0x06, 0x74, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x12, 0x41, 0x0a, 0x1d,
-	0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x5f, 0x6f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c,
-	0x5f, 0x64, 0x65, 0x73, 0x74, 0x5f, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x04, 0x20,
-	0x01, 0x28, 0x08, 0x52, 0x1a, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x4f, 0x72, 0x69, 0x67,
-	0x69, 0x6e, 0x61, 0x6c, 0x44, 0x65, 0x73, 0x74, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x12,
-	0x21, 0x0a, 0x0c, 0x62, 0x69, 0x6e, 0x64, 0x5f, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x18,
-	0x05, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x0b, 0x62, 0x69, 0x6e, 0x64, 0x41, 0x64, 0x64, 0x72, 0x65,
-	0x73, 0x73, 0x12, 0x1b, 0x0a, 0x09, 0x62, 0x69, 0x6e, 0x64, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18,
-	0x06, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x08, 0x62, 0x69, 0x6e, 0x64, 0x50, 0x6f, 0x72, 0x74, 0x12,
-	0x32, 0x0a, 0x15, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x5f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x5f,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x18, 0x07, 0x20, 0x01, 0x28, 0x08, 0x52, 0x13,
-	0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x50, 0x72, 0x6f, 0x74, 0x6f,
-	0x63, 0x6f, 0x6c, 0x12, 0x50, 0x0a, 0x0f, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x5f, 0x73, 0x74,
-	0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x08, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x27, 0x2e, 0x78,
-	0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e,
-	0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72,
-	0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x0e, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72,
-	0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x21, 0x0a, 0x0c, 0x64, 0x69, 0x61, 0x6c, 0x65, 0x72, 0x5f,
-	0x70, 0x72, 0x6f, 0x78, 0x79, 0x18, 0x09, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b, 0x64, 0x69, 0x61,
-	0x6c, 0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x12, 0x35, 0x0a, 0x17, 0x74, 0x63, 0x70, 0x5f,
-	0x6b, 0x65, 0x65, 0x70, 0x5f, 0x61, 0x6c, 0x69, 0x76, 0x65, 0x5f, 0x69, 0x6e, 0x74, 0x65, 0x72,
-	0x76, 0x61, 0x6c, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x05, 0x52, 0x14, 0x74, 0x63, 0x70, 0x4b, 0x65,
-	0x65, 0x70, 0x41, 0x6c, 0x69, 0x76, 0x65, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x12,
-	0x2d, 0x0a, 0x13, 0x74, 0x63, 0x70, 0x5f, 0x6b, 0x65, 0x65, 0x70, 0x5f, 0x61, 0x6c, 0x69, 0x76,
-	0x65, 0x5f, 0x69, 0x64, 0x6c, 0x65, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x05, 0x52, 0x10, 0x74, 0x63,
-	0x70, 0x4b, 0x65, 0x65, 0x70, 0x41, 0x6c, 0x69, 0x76, 0x65, 0x49, 0x64, 0x6c, 0x65, 0x12, 0x25,
-	0x0a, 0x0e, 0x74, 0x63, 0x70, 0x5f, 0x63, 0x6f, 0x6e, 0x67, 0x65, 0x73, 0x74, 0x69, 0x6f, 0x6e,
-	0x18, 0x0c, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x74, 0x63, 0x70, 0x43, 0x6f, 0x6e, 0x67, 0x65,
-	0x73, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x1c, 0x0a, 0x09, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x66, 0x61,
-	0x63, 0x65, 0x18, 0x0d, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x66,
-	0x61, 0x63, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x76, 0x36, 0x6f, 0x6e, 0x6c, 0x79, 0x18, 0x0e, 0x20,
-	0x01, 0x28, 0x08, 0x52, 0x06, 0x76, 0x36, 0x6f, 0x6e, 0x6c, 0x79, 0x12, 0x28, 0x0a, 0x10, 0x74,
-	0x63, 0x70, 0x5f, 0x77, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x5f, 0x63, 0x6c, 0x61, 0x6d, 0x70, 0x18,
-	0x0f, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x74, 0x63, 0x70, 0x57, 0x69, 0x6e, 0x64, 0x6f, 0x77,
-	0x43, 0x6c, 0x61, 0x6d, 0x70, 0x12, 0x28, 0x0a, 0x10, 0x74, 0x63, 0x70, 0x5f, 0x75, 0x73, 0x65,
-	0x72, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x10, 0x20, 0x01, 0x28, 0x05, 0x52,
-	0x0e, 0x74, 0x63, 0x70, 0x55, 0x73, 0x65, 0x72, 0x54, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12,
-	0x1e, 0x0a, 0x0b, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x61, 0x78, 0x5f, 0x73, 0x65, 0x67, 0x18, 0x11,
-	0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x74, 0x63, 0x70, 0x4d, 0x61, 0x78, 0x53, 0x65, 0x67, 0x12,
-	0x1c, 0x0a, 0x09, 0x70, 0x65, 0x6e, 0x65, 0x74, 0x72, 0x61, 0x74, 0x65, 0x18, 0x12, 0x20, 0x01,
-	0x28, 0x08, 0x52, 0x09, 0x70, 0x65, 0x6e, 0x65, 0x74, 0x72, 0x61, 0x74, 0x65, 0x12, 0x1b, 0x0a,
-	0x09, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x70, 0x74, 0x63, 0x70, 0x18, 0x13, 0x20, 0x01, 0x28, 0x08,
-	0x52, 0x08, 0x74, 0x63, 0x70, 0x4d, 0x70, 0x74, 0x63, 0x70, 0x12, 0x4c, 0x0a, 0x0d, 0x63, 0x75,
-	0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x18, 0x14, 0x20, 0x03, 0x28,
-	0x0b, 0x32, 0x26, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f,
-	0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x43, 0x75, 0x73, 0x74,
-	0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x52, 0x0d, 0x63, 0x75, 0x73, 0x74, 0x6f,
-	0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x12, 0x60, 0x0a, 0x15, 0x61, 0x64, 0x64, 0x72,
-	0x65, 0x73, 0x73, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x5f, 0x73, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67,
-	0x79, 0x18, 0x15, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x2c, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74,
+	0x14, 0x0a, 0x05, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05,
+	0x6c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x10, 0x0a, 0x03, 0x6f, 0x70, 0x74, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x03, 0x6f, 0x70, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
+	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x12, 0x0a,
+	0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70,
+	0x65, 0x22, 0x9b, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
+	0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05,
+	0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x05, 0x52, 0x03, 0x74, 0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72, 0x6f,
+	0x78, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x30, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
+	0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e,
+	0x65, 0x74, 0x2e, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e,
+	0x54, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x4d, 0x6f, 0x64, 0x65, 0x52, 0x06, 0x74, 0x70, 0x72, 0x6f,
+	0x78, 0x79, 0x12, 0x41, 0x0a, 0x1d, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x5f, 0x6f, 0x72,
+	0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x5f, 0x64, 0x65, 0x73, 0x74, 0x5f, 0x61, 0x64, 0x64, 0x72,
+	0x65, 0x73, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x08, 0x52, 0x1a, 0x72, 0x65, 0x63, 0x65, 0x69,
+	0x76, 0x65, 0x4f, 0x72, 0x69, 0x67, 0x69, 0x6e, 0x61, 0x6c, 0x44, 0x65, 0x73, 0x74, 0x41, 0x64,
+	0x64, 0x72, 0x65, 0x73, 0x73, 0x12, 0x21, 0x0a, 0x0c, 0x62, 0x69, 0x6e, 0x64, 0x5f, 0x61, 0x64,
+	0x64, 0x72, 0x65, 0x73, 0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x0b, 0x62, 0x69, 0x6e,
+	0x64, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x12, 0x1b, 0x0a, 0x09, 0x62, 0x69, 0x6e, 0x64,
+	0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x08, 0x62, 0x69, 0x6e,
+	0x64, 0x50, 0x6f, 0x72, 0x74, 0x12, 0x32, 0x0a, 0x15, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x5f,
+	0x70, 0x72, 0x6f, 0x78, 0x79, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x18, 0x07,
+	0x20, 0x01, 0x28, 0x08, 0x52, 0x13, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x50, 0x72, 0x6f, 0x78,
+	0x79, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x12, 0x50, 0x0a, 0x0f, 0x64, 0x6f, 0x6d,
+	0x61, 0x69, 0x6e, 0x5f, 0x73, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x18, 0x08, 0x20, 0x01,
+	0x28, 0x0e, 0x32, 0x27, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70,
+	0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x44, 0x6f, 0x6d,
+	0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x0e, 0x64, 0x6f, 0x6d,
+	0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x21, 0x0a, 0x0c, 0x64,
+	0x69, 0x61, 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x18, 0x09, 0x20, 0x01, 0x28,
+	0x09, 0x52, 0x0b, 0x64, 0x69, 0x61, 0x6c, 0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x12, 0x35,
+	0x0a, 0x17, 0x74, 0x63, 0x70, 0x5f, 0x6b, 0x65, 0x65, 0x70, 0x5f, 0x61, 0x6c, 0x69, 0x76, 0x65,
+	0x5f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x76, 0x61, 0x6c, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x05, 0x52,
+	0x14, 0x74, 0x63, 0x70, 0x4b, 0x65, 0x65, 0x70, 0x41, 0x6c, 0x69, 0x76, 0x65, 0x49, 0x6e, 0x74,
+	0x65, 0x72, 0x76, 0x61, 0x6c, 0x12, 0x2d, 0x0a, 0x13, 0x74, 0x63, 0x70, 0x5f, 0x6b, 0x65, 0x65,
+	0x70, 0x5f, 0x61, 0x6c, 0x69, 0x76, 0x65, 0x5f, 0x69, 0x64, 0x6c, 0x65, 0x18, 0x0b, 0x20, 0x01,
+	0x28, 0x05, 0x52, 0x10, 0x74, 0x63, 0x70, 0x4b, 0x65, 0x65, 0x70, 0x41, 0x6c, 0x69, 0x76, 0x65,
+	0x49, 0x64, 0x6c, 0x65, 0x12, 0x25, 0x0a, 0x0e, 0x74, 0x63, 0x70, 0x5f, 0x63, 0x6f, 0x6e, 0x67,
+	0x65, 0x73, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x0c, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x74, 0x63,
+	0x70, 0x43, 0x6f, 0x6e, 0x67, 0x65, 0x73, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x1c, 0x0a, 0x09, 0x69,
+	0x6e, 0x74, 0x65, 0x72, 0x66, 0x61, 0x63, 0x65, 0x18, 0x0d, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09,
+	0x69, 0x6e, 0x74, 0x65, 0x72, 0x66, 0x61, 0x63, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x76, 0x36, 0x6f,
+	0x6e, 0x6c, 0x79, 0x18, 0x0e, 0x20, 0x01, 0x28, 0x08, 0x52, 0x06, 0x76, 0x36, 0x6f, 0x6e, 0x6c,
+	0x79, 0x12, 0x28, 0x0a, 0x10, 0x74, 0x63, 0x70, 0x5f, 0x77, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x5f,
+	0x63, 0x6c, 0x61, 0x6d, 0x70, 0x18, 0x0f, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x74, 0x63, 0x70,
+	0x57, 0x69, 0x6e, 0x64, 0x6f, 0x77, 0x43, 0x6c, 0x61, 0x6d, 0x70, 0x12, 0x28, 0x0a, 0x10, 0x74,
+	0x63, 0x70, 0x5f, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18,
+	0x10, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x74, 0x63, 0x70, 0x55, 0x73, 0x65, 0x72, 0x54, 0x69,
+	0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x1e, 0x0a, 0x0b, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x61, 0x78,
+	0x5f, 0x73, 0x65, 0x67, 0x18, 0x11, 0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x74, 0x63, 0x70, 0x4d,
+	0x61, 0x78, 0x53, 0x65, 0x67, 0x12, 0x1c, 0x0a, 0x09, 0x70, 0x65, 0x6e, 0x65, 0x74, 0x72, 0x61,
+	0x74, 0x65, 0x18, 0x12, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x70, 0x65, 0x6e, 0x65, 0x74, 0x72,
+	0x61, 0x74, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x70, 0x74, 0x63, 0x70,
+	0x18, 0x13, 0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x74, 0x63, 0x70, 0x4d, 0x70, 0x74, 0x63, 0x70,
+	0x12, 0x4c, 0x0a, 0x0d, 0x63, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70,
+	0x74, 0x18, 0x14, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x26, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74,
 	0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
-	0x74, 0x2e, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x50, 0x6f, 0x72, 0x74, 0x53, 0x74, 0x72,
-	0x61, 0x74, 0x65, 0x67, 0x79, 0x52, 0x13, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x50, 0x6f,
-	0x72, 0x74, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x22, 0x2f, 0x0a, 0x0a, 0x54, 0x50,
-	0x72, 0x6f, 0x78, 0x79, 0x4d, 0x6f, 0x64, 0x65, 0x12, 0x07, 0x0a, 0x03, 0x4f, 0x66, 0x66, 0x10,
-	0x00, 0x12, 0x0a, 0x0a, 0x06, 0x54, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x10, 0x01, 0x12, 0x0c, 0x0a,
-	0x08, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x10, 0x02, 0x2a, 0xa9, 0x01, 0x0a, 0x0e,
-	0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x09,
-	0x0a, 0x05, 0x41, 0x53, 0x5f, 0x49, 0x53, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06, 0x55, 0x53, 0x45,
-	0x5f, 0x49, 0x50, 0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34,
-	0x10, 0x02, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x03, 0x12,
-	0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a,
-	0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46,
-	0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x06, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52,
-	0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x07, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43,
-	0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45,
-	0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45,
-	0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a, 0x2a, 0x97, 0x01, 0x0a, 0x13, 0x41, 0x64, 0x64, 0x72,
-	0x65, 0x73, 0x73, 0x50, 0x6f, 0x72, 0x74, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65, 0x67, 0x79, 0x12,
-	0x08, 0x0a, 0x04, 0x4e, 0x6f, 0x6e, 0x65, 0x10, 0x00, 0x12, 0x0f, 0x0a, 0x0b, 0x53, 0x72, 0x76,
-	0x50, 0x6f, 0x72, 0x74, 0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x01, 0x12, 0x12, 0x0a, 0x0e, 0x53, 0x72,
-	0x76, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x02, 0x12, 0x15,
-	0x0a, 0x11, 0x53, 0x72, 0x76, 0x50, 0x6f, 0x72, 0x74, 0x41, 0x6e, 0x64, 0x41, 0x64, 0x64, 0x72,
-	0x65, 0x73, 0x73, 0x10, 0x03, 0x12, 0x0f, 0x0a, 0x0b, 0x54, 0x78, 0x74, 0x50, 0x6f, 0x72, 0x74,
-	0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x04, 0x12, 0x12, 0x0a, 0x0e, 0x54, 0x78, 0x74, 0x41, 0x64, 0x64,
-	0x72, 0x65, 0x73, 0x73, 0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x05, 0x12, 0x15, 0x0a, 0x11, 0x54, 0x78,
-	0x74, 0x50, 0x6f, 0x72, 0x74, 0x41, 0x6e, 0x64, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x10,
-	0x06, 0x42, 0x67, 0x0a, 0x1b, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72,
-	0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
-	0x50, 0x01, 0x5a, 0x2c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78,
-	0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72,
-	0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
-	0xaa, 0x02, 0x17, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
-	0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x33,
+	0x74, 0x2e, 0x43, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x52,
+	0x0d, 0x63, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x22, 0x2f,
+	0x0a, 0x0a, 0x54, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x4d, 0x6f, 0x64, 0x65, 0x12, 0x07, 0x0a, 0x03,
+	0x4f, 0x66, 0x66, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06, 0x54, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x10,
+	0x01, 0x12, 0x0c, 0x0a, 0x08, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x10, 0x02, 0x2a,
+	0xa9, 0x01, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65,
+	0x67, 0x79, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x53, 0x5f, 0x49, 0x53, 0x10, 0x00, 0x12, 0x0a, 0x0a,
+	0x06, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45,
+	0x5f, 0x49, 0x50, 0x34, 0x10, 0x02, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50,
+	0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10,
+	0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x05, 0x12,
+	0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x06, 0x12, 0x0d, 0x0a,
+	0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x07, 0x12, 0x0d, 0x0a, 0x09,
+	0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12, 0x0e, 0x0a, 0x0a, 0x46,
+	0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x46,
+	0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a, 0x42, 0x67, 0x0a, 0x1b, 0x63,
+	0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
+	0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x50, 0x01, 0x5a, 0x2c, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72,
+	0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
+	0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0xaa, 0x02, 0x17, 0x58, 0x72, 0x61,
+	0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65,
+	0x72, 0x6e, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -863,35 +768,33 @@ func file_transport_internet_config_proto_rawDescGZIP() []byte {
 	return file_transport_internet_config_proto_rawDescData
 }
 
-var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
+var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
 var file_transport_internet_config_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
 var file_transport_internet_config_proto_goTypes = []any{
 	(DomainStrategy)(0),          // 0: xray.transport.internet.DomainStrategy
-	(AddressPortStrategy)(0),     // 1: xray.transport.internet.AddressPortStrategy
-	(SocketConfig_TProxyMode)(0), // 2: xray.transport.internet.SocketConfig.TProxyMode
-	(*TransportConfig)(nil),      // 3: xray.transport.internet.TransportConfig
-	(*StreamConfig)(nil),         // 4: xray.transport.internet.StreamConfig
-	(*ProxyConfig)(nil),          // 5: xray.transport.internet.ProxyConfig
-	(*CustomSockopt)(nil),        // 6: xray.transport.internet.CustomSockopt
-	(*SocketConfig)(nil),         // 7: xray.transport.internet.SocketConfig
-	(*serial.TypedMessage)(nil),  // 8: xray.common.serial.TypedMessage
-	(*net.IPOrDomain)(nil),       // 9: xray.common.net.IPOrDomain
+	(SocketConfig_TProxyMode)(0), // 1: xray.transport.internet.SocketConfig.TProxyMode
+	(*TransportConfig)(nil),      // 2: xray.transport.internet.TransportConfig
+	(*StreamConfig)(nil),         // 3: xray.transport.internet.StreamConfig
+	(*ProxyConfig)(nil),          // 4: xray.transport.internet.ProxyConfig
+	(*CustomSockopt)(nil),        // 5: xray.transport.internet.CustomSockopt
+	(*SocketConfig)(nil),         // 6: xray.transport.internet.SocketConfig
+	(*serial.TypedMessage)(nil),  // 7: xray.common.serial.TypedMessage
+	(*net.IPOrDomain)(nil),       // 8: xray.common.net.IPOrDomain
 }
 var file_transport_internet_config_proto_depIdxs = []int32{
-	8, // 0: xray.transport.internet.TransportConfig.settings:type_name -> xray.common.serial.TypedMessage
-	9, // 1: xray.transport.internet.StreamConfig.address:type_name -> xray.common.net.IPOrDomain
-	3, // 2: xray.transport.internet.StreamConfig.transport_settings:type_name -> xray.transport.internet.TransportConfig
-	8, // 3: xray.transport.internet.StreamConfig.security_settings:type_name -> xray.common.serial.TypedMessage
-	7, // 4: xray.transport.internet.StreamConfig.socket_settings:type_name -> xray.transport.internet.SocketConfig
-	2, // 5: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
+	7, // 0: xray.transport.internet.TransportConfig.settings:type_name -> xray.common.serial.TypedMessage
+	8, // 1: xray.transport.internet.StreamConfig.address:type_name -> xray.common.net.IPOrDomain
+	2, // 2: xray.transport.internet.StreamConfig.transport_settings:type_name -> xray.transport.internet.TransportConfig
+	7, // 3: xray.transport.internet.StreamConfig.security_settings:type_name -> xray.common.serial.TypedMessage
+	6, // 4: xray.transport.internet.StreamConfig.socket_settings:type_name -> xray.transport.internet.SocketConfig
+	1, // 5: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
 	0, // 6: xray.transport.internet.SocketConfig.domain_strategy:type_name -> xray.transport.internet.DomainStrategy
-	6, // 7: xray.transport.internet.SocketConfig.customSockopt:type_name -> xray.transport.internet.CustomSockopt
-	1, // 8: xray.transport.internet.SocketConfig.address_port_strategy:type_name -> xray.transport.internet.AddressPortStrategy
-	9, // [9:9] is the sub-list for method output_type
-	9, // [9:9] is the sub-list for method input_type
-	9, // [9:9] is the sub-list for extension type_name
-	9, // [9:9] is the sub-list for extension extendee
-	0, // [0:9] is the sub-list for field type_name
+	5, // 7: xray.transport.internet.SocketConfig.customSockopt:type_name -> xray.transport.internet.CustomSockopt
+	8, // [8:8] is the sub-list for method output_type
+	8, // [8:8] is the sub-list for method input_type
+	8, // [8:8] is the sub-list for extension type_name
+	8, // [8:8] is the sub-list for extension extendee
+	0, // [0:8] is the sub-list for field type_name
 }
 
 func init() { file_transport_internet_config_proto_init() }
@@ -904,7 +807,7 @@ func file_transport_internet_config_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_transport_internet_config_proto_rawDesc,
-			NumEnums:      3,
+			NumEnums:      2,
 			NumMessages:   5,
 			NumExtensions: 0,
 			NumServices:   0,

transport/internet/config.proto

@@ -23,16 +23,6 @@ enum DomainStrategy {
   FORCE_IP64 = 10;
 }
 
-enum AddressPortStrategy {
-  None = 0;
-  SrvPortOnly = 1;
-  SrvAddressOnly = 2;
-  SrvPortAndAddress = 3;
-  TxtPortOnly = 4;
-  TxtAddressOnly = 5;
-  TxtPortAndAddress = 6;
-}
-
 message TransportConfig {
   // Transport protocol name.
   string protocol_name = 3;
@@ -65,11 +55,10 @@ message ProxyConfig {
 }
 
 message CustomSockopt {
-  string network = 1;
-  string level = 2;
-  string opt = 3;
-  string value = 4;
-  string type = 5;
+  string level = 1;
+  string opt = 2;
+  string value = 3;
+  string type = 4;
 }
 
 // SocketConfig is options to be applied on network sockets.
@@ -127,6 +116,4 @@ message SocketConfig {
   bool tcp_mptcp = 19;
 
   repeated CustomSockopt customSockopt = 20;
-
-  AddressPortStrategy address_port_strategy = 21;
 }

transport/internet/dialer.go

@@ -2,9 +2,6 @@ package internet
 
 import (
 	"context"
-	"fmt"
-	gonet "net"
-	"strings"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
@@ -90,13 +87,13 @@ func lookupIP(domain string, strategy DomainStrategy, localAddr net.Address) ([]
 		return nil, nil
 	}
 
-	ips, _, err := dnsClient.LookupIP(domain, dns.IPOption{
+	ips, err := dnsClient.LookupIP(domain, dns.IPOption{
 		IPv4Enable: (localAddr == nil || localAddr.Family().IsIPv4()) && strategy.preferIP4(),
 		IPv6Enable: (localAddr == nil || localAddr.Family().IsIPv6()) && strategy.preferIP6(),
 	})
 	{ // Resolve fallback
 		if (len(ips) == 0 || err != nil) && strategy.hasFallback() && localAddr == nil {
-			ips, _, err = dnsClient.LookupIP(domain, dns.IPOption{
+			ips, err = dnsClient.LookupIP(domain, dns.IPOption{
 				IPv4Enable: strategy.fallbackIP4(),
 				IPv6Enable: strategy.fallbackIP6(),
 			})
@@ -143,93 +140,6 @@ func redirect(ctx context.Context, dst net.Destination, obt string) net.Conn {
 	return nil
 }
 
-func checkAddressPortStrategy(ctx context.Context, dest net.Destination, sockopt *SocketConfig) (*net.Destination, error) {
-	if sockopt.AddressPortStrategy == AddressPortStrategy_None {
-		return nil, nil
-	}
-	newDest := dest
-	var OverridePort, OverrideAddress bool
-	var OverrideBy string
-	switch sockopt.AddressPortStrategy {
-	case AddressPortStrategy_SrvPortOnly:
-		OverridePort = true
-		OverrideAddress = false
-		OverrideBy = "srv"
-	case AddressPortStrategy_SrvAddressOnly:
-		OverridePort = false
-		OverrideAddress = true
-		OverrideBy = "srv"
-	case AddressPortStrategy_SrvPortAndAddress:
-		OverridePort = true
-		OverrideAddress = true
-		OverrideBy = "srv"
-	case AddressPortStrategy_TxtPortOnly:
-		OverridePort = true
-		OverrideAddress = false
-		OverrideBy = "txt"
-	case AddressPortStrategy_TxtAddressOnly:
-		OverridePort = false
-		OverrideAddress = true
-		OverrideBy = "txt"
-	case AddressPortStrategy_TxtPortAndAddress:
-		OverridePort = true
-		OverrideAddress = true
-		OverrideBy = "txt"
-	default:
-		return nil, errors.New("unknown AddressPortStrategy")
-	}
-
-	if !dest.Address.Family().IsDomain() {
-		return nil, nil
-	}
-
-	if OverrideBy == "srv" {
-		errors.LogDebug(ctx, "query SRV record for "+dest.Address.String())
-		parts := strings.SplitN(dest.Address.String(), ".", 3)
-		if len(parts) != 3 {
-			return nil, errors.New("invalid address format", dest.Address.String())
-		}
-		_, srvRecords, err := gonet.DefaultResolver.LookupSRV(context.Background(), parts[0][1:], parts[1][1:], parts[2])
-		if err != nil {
-			return nil, errors.New("failed to lookup SRV record").Base(err)
-		}
-		errors.LogDebug(ctx, "SRV record: "+fmt.Sprintf("addr=%s, port=%d, priority=%d, weight=%d", srvRecords[0].Target, srvRecords[0].Port, srvRecords[0].Priority, srvRecords[0].Weight))
-		if OverridePort {
-			newDest.Port = net.Port(srvRecords[0].Port)
-		}
-		if OverrideAddress {
-			newDest.Address = net.ParseAddress(srvRecords[0].Target)
-		}
-		return &newDest, nil
-	}
-	if OverrideBy == "txt" {
-		errors.LogDebug(ctx, "query TXT record for "+dest.Address.String())
-		txtRecords, err := gonet.DefaultResolver.LookupTXT(ctx, dest.Address.String())
-		if err != nil {
-			errors.LogError(ctx, "failed to lookup SRV record: "+err.Error())
-			return nil, errors.New("failed to lookup SRV record").Base(err)
-		}
-		for _, txtRecord := range txtRecords {
-			errors.LogDebug(ctx, "TXT record: "+txtRecord)
-			addr_s, port_s, _ := net.SplitHostPort(string(txtRecord))
-			addr := net.ParseAddress(addr_s)
-			port, err := net.PortFromString(port_s)
-			if err != nil {
-				continue
-			}
-
-			if OverridePort {
-				newDest.Port = port
-			}
-			if OverrideAddress {
-				newDest.Address = addr
-			}
-			return &newDest, nil
-		}
-	}
-	return nil, nil
-}
-
 // DialSystem calls system dialer to create a network connection.
 func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig) (net.Conn, error) {
 	var src net.Address
@@ -242,11 +152,6 @@ func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig
 		return effectiveSystemDialer.Dial(ctx, src, dest, sockopt)
 	}
 
-	if newDest, err := checkAddressPortStrategy(ctx, dest, sockopt); err == nil && newDest != nil {
-		errors.LogInfo(ctx, "replace destination with "+newDest.String())
-		dest = *newDest
-	}
-
 	if canLookupIP(ctx, dest, sockopt) {
 		ips, err := lookupIP(dest.Address.String(), sockopt.DomainStrategy, src)
 		if err == nil && len(ips) > 0 {

transport/internet/reality/reality.go

@@ -8,6 +8,7 @@ import (
 	"crypto/ecdh"
 	"crypto/ed25519"
 	"crypto/hmac"
+	"crypto/rand"
 	"crypto/sha256"
 	"crypto/sha512"
 	gotls "crypto/tls"
@@ -15,6 +16,7 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io"
+	"math/big"
 	"net/http"
 	"reflect"
 	"regexp"
@@ -25,7 +27,6 @@ import (
 
 	utls "github.com/refraction-networking/utls"
 	"github.com/xtls/reality"
-	"github.com/xtls/xray-core/common/crypto"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/core"
@@ -212,13 +213,13 @@ func UClient(c net.Conn, config *Config, ctx context.Context, dest net.Destinati
 				}
 				times := 1
 				if !first {
-					times = int(crypto.RandBetween(config.SpiderY[4], config.SpiderY[5]))
+					times = int(randBetween(config.SpiderY[4], config.SpiderY[5]))
 				}
 				for j := 0; j < times; j++ {
 					if !first && j == 0 {
 						req.Header.Set("Referer", firstURL)
 					}
-					req.AddCookie(&http.Cookie{Name: "padding", Value: strings.Repeat("0", int(crypto.RandBetween(config.SpiderY[0], config.SpiderY[1])))})
+					req.AddCookie(&http.Cookie{Name: "padding", Value: strings.Repeat("0", int(randBetween(config.SpiderY[0], config.SpiderY[1])))})
 					if resp, err = client.Do(req); err != nil {
 						break
 					}
@@ -242,18 +243,18 @@ func UClient(c net.Conn, config *Config, ctx context.Context, dest net.Destinati
 					}
 					maps.Unlock()
 					if !first {
-						time.Sleep(time.Duration(crypto.RandBetween(config.SpiderY[6], config.SpiderY[7])) * time.Millisecond) // interval
+						time.Sleep(time.Duration(randBetween(config.SpiderY[6], config.SpiderY[7])) * time.Millisecond) // interval
 					}
 				}
 			}
 			get(true)
-			concurrency := int(crypto.RandBetween(config.SpiderY[2], config.SpiderY[3]))
+			concurrency := int(randBetween(config.SpiderY[2], config.SpiderY[3]))
 			for i := 0; i < concurrency; i++ {
 				go get(false)
 			}
 			// Do not close the connection
 		}()
-		time.Sleep(time.Duration(crypto.RandBetween(config.SpiderY[8], config.SpiderY[9])) * time.Millisecond) // return
+		time.Sleep(time.Duration(randBetween(config.SpiderY[8], config.SpiderY[9])) * time.Millisecond) // return
 		return nil, errors.New("REALITY: processed invalid connection").AtWarning()
 	}
 	return uConn, nil
@@ -270,7 +271,7 @@ var maps struct {
 }
 
 func getPathLocked(paths map[string]struct{}) string {
-	stopAt := int(crypto.RandBetween(0, int64(len(paths)-1)))
+	stopAt := int(randBetween(0, int64(len(paths)-1)))
 	i := 0
 	for s := range paths {
 		if i == stopAt {
@@ -280,3 +281,11 @@ func getPathLocked(paths map[string]struct{}) string {
 	}
 	return "/"
 }
+
+func randBetween(left int64, right int64) int64 {
+	if left == right {
+		return left
+	}
+	bigInt, _ := rand.Int(rand.Reader, big.NewInt(right-left))
+	return left + bigInt.Int64()
+}

transport/internet/sockopt_darwin.go

@@ -1,7 +1,7 @@
 package internet
 
 import (
-	gonet "net"
+	network "net"
 	"os"
 	"syscall"
 	"unsafe"
@@ -108,6 +108,14 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				return err
 			}
 		}
+		if config.Interface != "" {
+			InterfaceIndex := getInterfaceIndexByName(config.Interface)
+			if InterfaceIndex != 0 {
+				if err := unix.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_BOUND_IF, InterfaceIndex); err != nil {
+					return errors.New("failed to set Interface").Base(err)
+				}
+			}
+		}
 
 		if config.TcpKeepAliveIdle > 0 || config.TcpKeepAliveInterval > 0 {
 			if config.TcpKeepAliveIdle > 0 {
@@ -130,23 +138,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 		}
 	}
 
-	if config.Interface != "" {
-		iface, err := gonet.InterfaceByName(config.Interface)
-
-		if err != nil {
-			return errors.New("failed to get interface ", config.Interface).Base(err)
-		}
-		if network == "tcp6" || network == "udp6" {
-			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
-				return errors.New("failed to set IPV6_BOUND_IF").Base(err)
-			}
-		} else {
-			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
-				return errors.New("failed to set IP_BOUND_IF").Base(err)
-			}
-		}
-	}
-
 	return nil
 }
 
@@ -161,6 +152,14 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 				return err
 			}
 		}
+		if config.Interface != "" {
+			InterfaceIndex := getInterfaceIndexByName(config.Interface)
+			if InterfaceIndex != 0 {
+				if err := unix.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_BOUND_IF, InterfaceIndex); err != nil {
+					return errors.New("failed to set Interface").Base(err)
+				}
+			}
+		}
 
 		if config.TcpKeepAliveIdle > 0 || config.TcpKeepAliveInterval > 0 {
 			if config.TcpKeepAliveIdle > 0 {
@@ -183,29 +182,6 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 	}
 
-	if config.Interface != "" {
-		iface, err := gonet.InterfaceByName(config.Interface)
-
-		if err != nil {
-			return errors.New("failed to get interface ", config.Interface).Base(err)
-		}
-		if network == "tcp6" || network == "udp6" {
-			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
-				return errors.New("failed to set IPV6_BOUND_IF").Base(err)
-			}
-		} else {
-			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
-				return errors.New("failed to set IP_BOUND_IF").Base(err)
-			}
-		}
-	}
-
-	if config.V6Only {
-		if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_V6ONLY, 1); err != nil {
-			return errors.New("failed to set IPV6_V6ONLY").Base(err)
-		}
-	}
-
 	return nil
 }
 
@@ -248,3 +224,24 @@ func setReusePort(fd uintptr) error {
 	}
 	return nil
 }
+func getInterfaceIndexByName(name string) int {
+	ifaces, err := network.Interfaces()
+	if err == nil {
+		for _, iface := range ifaces {
+			if (iface.Flags&network.FlagUp == network.FlagUp) && (iface.Flags&network.FlagLoopback != network.FlagLoopback) {
+				addrs, _ := iface.Addrs()
+				for _, addr := range addrs {
+					if ipnet, ok := addr.(*network.IPNet); ok && !ipnet.IP.IsLoopback() {
+						if ipnet.IP.To4() != nil {
+							if iface.Name == name {
+								return iface.Index
+							}
+						}
+					}
+				}
+			}
+
+		}
+	}
+	return 0
+}

transport/internet/sockopt_linux.go

@@ -3,7 +3,6 @@ package internet
 import (
 	"net"
 	"strconv"
-	"strings"
 	"syscall"
 
 	"github.com/xtls/xray-core/common/errors"
@@ -36,8 +35,6 @@ func bindAddr(fd uintptr, ip []byte, port uint32) error {
 	return syscall.Bind(int(fd), sockaddr)
 }
 
-// applyOutboundSocketOptions applies socket options for outbound connection.
-// note that unlike other part of Xray, this function needs network with speified network stack(tcp4/tcp6/udp4/udp6)
 func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
 	if config.Mark != 0 {
 		if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, int(config.Mark)); err != nil {
@@ -106,17 +103,8 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 			}
 		}
 
-	}
-
 		if len(config.CustomSockopt) > 0 {
 			for _, custom := range config.CustomSockopt {
-			// Skip unwanted network type
-			// network might be tcp4 or tcp6
-			// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
-			// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
-			if !strings.HasPrefix(network, custom.Network) {
-				continue
-			}
 				var level = 0x6 // default TCP
 				var opt int
 				if len(custom.Opt) == 0 {
@@ -141,6 +129,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				}
 			}
 		}
+	}
 
 	if config.Tproxy.IsEnabled() {
 		if err := syscall.SetsockoptInt(int(fd), syscall.SOL_IP, syscall.IP_TRANSPARENT, 1); err != nil {
@@ -151,8 +140,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 	return nil
 }
 
-// applyInboundSocketOptions applies socket options for inbound listener.
-// note that unlike other part of Xray, this function needs network with speified network stack(tcp4/tcp6/udp4/udp6)
 func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
 	if config.Mark != 0 {
 		if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK, int(config.Mark)); err != nil {

transport/internet/sockopt_windows.go

@@ -13,9 +13,6 @@ const (
 	TCP_FASTOPEN    = 15
 	IP_UNICAST_IF   = 31
 	IPV6_UNICAST_IF = 31
-	IP_MULTICAST_IF = 9
-	IPV6_MULTICAST_IF = 9
-	IPV6_V6ONLY = 27
 )
 
 func setTFO(fd syscall.Handle, tfo int) error {
@@ -36,7 +33,7 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 		if err != nil {
 			return errors.New("failed to find the interface").Base(err)
 		}
-		isV4 := (network == "tcp4" || network == "udp4")
+		isV4 := (network == "tcp4")
 		if isV4 {
 			var bytes [4]byte
 			binary.BigEndian.PutUint32(bytes[:], uint32(inf.Index))
@@ -44,16 +41,10 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, IP_UNICAST_IF, int(idx)); err != nil {
 				return errors.New("failed to set IP_UNICAST_IF").Base(err)
 			}
-			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, IP_MULTICAST_IF, int(idx)); err != nil {
-				return errors.New("failed to set IP_MULTICAST_IF").Base(err)
-			}
 		} else {
 			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, IPV6_UNICAST_IF, inf.Index); err != nil {
 				return errors.New("failed to set IPV6_UNICAST_IF").Base(err)
 			}
-			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, IPV6_MULTICAST_IF, inf.Index); err != nil {
-				return errors.New("failed to set IPV6_MULTICAST_IF").Base(err)
-			}
 		}
 	}
 
@@ -91,12 +82,6 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 	}
 
-	if config.V6Only {
-		if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, IPV6_V6ONLY, 1); err != nil {
-			return errors.New("failed to set IPV6_V6ONLY").Base(err)
-		}
-	}
-
 	return nil
 }
 

transport/internet/splithttp/config.go

@@ -1,12 +1,13 @@
 package splithttp
 
 import (
+	"crypto/rand"
+	"math/big"
 	"net/http"
 	"net/url"
 	"strings"
 
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/crypto"
 	"github.com/xtls/xray-core/transport/internet"
 )
 
@@ -183,5 +184,9 @@ func init() {
 }
 
 func (c RangeConfig) rand() int32 {
-	return int32(crypto.RandBetween(int64(c.From), int64(c.To)))
+	if c.From == c.To {
+		return c.From
+	}
+	bigInt, _ := rand.Int(rand.Reader, big.NewInt(int64(c.To-c.From)))
+	return c.From + int32(bigInt.Int64())
 }

transport/internet/splithttp/dialer.go

@@ -30,6 +30,16 @@ import (
 	"golang.org/x/net/http2"
 )
 
+// defines the maximum time an idle TCP session can survive in the tunnel, so
+// it should be consistent across HTTP versions and with other transports.
+const connIdleTimeout = 300 * time.Second
+
+// consistent with quic-go
+const quicgoH3KeepAlivePeriod = 10 * time.Second
+
+// consistent with chrome
+const chromeH2KeepAlivePeriod = 45 * time.Second
+
 type dialerConf struct {
 	net.Destination
 	*internet.MemoryStreamConfig
@@ -144,13 +154,13 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
 
 	if httpVersion == "3" {
 		if keepAlivePeriod == 0 {
-			keepAlivePeriod = net.QuicgoH3KeepAlivePeriod
+			keepAlivePeriod = quicgoH3KeepAlivePeriod
 		}
 		if keepAlivePeriod < 0 {
 			keepAlivePeriod = 0
 		}
 		quicConfig := &quic.Config{
-			MaxIdleTimeout: net.ConnIdleTimeout,
+			MaxIdleTimeout: connIdleTimeout,
 
 			// these two are defaults of quic-go/http3. the default of quic-go (no
 			// http3) is different, so it is hardcoded here for clarity.
@@ -158,7 +168,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
 			MaxIncomingStreams: -1,
 			KeepAlivePeriod:    keepAlivePeriod,
 		}
-		transport = &http3.Transport{
+		transport = &http3.RoundTripper{
 			QUICConfig:      quicConfig,
 			TLSClientConfig: gotlsConfig,
 			Dial: func(ctx context.Context, addr string, tlsCfg *gotls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
@@ -188,7 +198,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
 						return nil, err
 					}
 				default:
-					udpConn = &internet.FakePacketConn{Conn: c}
+					udpConn = &internet.FakePacketConn{c}
 					udpAddr, err = net.ResolveUDPAddr("udp", c.RemoteAddr().String())
 					if err != nil {
 						return nil, err
@@ -200,7 +210,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
 		}
 	} else if httpVersion == "2" {
 		if keepAlivePeriod == 0 {
-			keepAlivePeriod = net.ChromeH2KeepAlivePeriod
+			keepAlivePeriod = chromeH2KeepAlivePeriod
 		}
 		if keepAlivePeriod < 0 {
 			keepAlivePeriod = 0
@@ -209,7 +219,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
 			DialTLSContext: func(ctxInner context.Context, network string, addr string, cfg *gotls.Config) (net.Conn, error) {
 				return dialContext(ctxInner)
 			},
-			IdleConnTimeout: net.ConnIdleTimeout,
+			IdleConnTimeout: connIdleTimeout,
 			ReadIdleTimeout: keepAlivePeriod,
 		}
 	} else {
@@ -220,7 +230,7 @@ func createHTTPClient(dest net.Destination, streamSettings *internet.MemoryStrea
 		transport = &http.Transport{
 			DialTLSContext:  httpDialContext,
 			DialContext:     httpDialContext,
-			IdleConnTimeout: net.ConnIdleTimeout,
+			IdleConnTimeout: connIdleTimeout,
 			// chunked transfer download with KeepAlives is buggy with
 			// http.Client and our custom dial context.
 			DisableKeepAlives: true,

transport/internet/splithttp/hub.go

@@ -24,6 +24,8 @@ import (
 	"github.com/xtls/xray-core/transport/internet/reality"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
 )
 
 type requestHandler struct {
@@ -424,15 +426,11 @@ func ListenXH(ctx context.Context, address net.Address, port net.Port, streamSet
 
 		handler.localAddr = l.listener.Addr()
 
-		// server can handle both plaintext HTTP/1.1 and h2c
-		protocols := new(http.Protocols)
-		protocols.SetHTTP1(true)
-		protocols.SetUnencryptedHTTP2(true)
+		// h2cHandler can handle both plaintext HTTP/1.1 and h2c
 		l.server = http.Server{
-			Handler:           handler,
+			Handler:           h2c.NewHandler(handler, &http2.Server{}),
 			ReadHeaderTimeout: time.Second * 4,
 			MaxHeaderBytes:    8192,
-			Protocols:         protocols,
 		}
 		go func() {
 			if err := l.server.Serve(l.listener); err != nil {

transport/internet/splithttp/splithttp_test.go

@@ -3,8 +3,10 @@ package splithttp_test
 import (
 	"context"
 	"crypto/rand"
+	gotls "crypto/tls"
 	"fmt"
 	"io"
+	gonet "net"
 	"net/http"
 	"runtime"
 	"testing"
@@ -21,6 +23,7 @@ import (
 	. "github.com/xtls/xray-core/transport/internet/splithttp"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
+	"golang.org/x/net/http2"
 )
 
 func Test_ListenXHAndDial(t *testing.T) {
@@ -198,11 +201,17 @@ func Test_ListenXHAndDial_H2C(t *testing.T) {
 	common.Must(err)
 	defer listen.Close()
 
-	protocols := new(http.Protocols)
-	protocols.SetUnencryptedHTTP2(true)
 	client := http.Client{
-		Transport: &http.Transport{
-			Protocols: protocols,
+		Transport: &http2.Transport{
+			// So http2.Transport doesn't complain the URL scheme isn't 'https'
+			AllowHTTP: true,
+			// even with AllowHTTP, http2.Transport will attempt to establish
+			// the connection using DialTLSContext. Disable TLS with custom
+			// dial context.
+			DialTLSContext: func(ctx context.Context, network, addr string, cfg *gotls.Config) (gonet.Conn, error) {
+				var d gonet.Dialer
+				return d.DialContext(ctx, network, addr)
+			},
 		},
 	}
 

transport/internet/system_dialer.go

@@ -59,17 +59,7 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 				Port: 0,
 			}
 		}
-		var lc net.ListenConfig
-		lc.Control = func(network, address string, c syscall.RawConn) error {
-			return c.Control(func(fd uintptr) {
-				if sockopt != nil {
-					if err := applyOutboundSocketOptions(network, "", fd, sockopt); err != nil {
-						errors.LogInfo(ctx, err, "failed to apply socket options")
-					}
-				}
-			})
-		}
-		packetConn, err := lc.ListenPacket(ctx, srcAddr.Network(), srcAddr.String())
+		packetConn, err := ListenSystemPacket(ctx, srcAddr, sockopt)
 		if err != nil {
 			return nil, err
 		}
@@ -77,6 +67,17 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 		if err != nil {
 			return nil, err
 		}
+		if sockopt != nil {
+			sys, err := packetConn.(*net.UDPConn).SyscallConn()
+			if err != nil {
+				return nil, err
+			}
+			sys.Control(func(fd uintptr) {
+				if err := applyOutboundSocketOptions("udp", dest.NetAddr(), fd, sockopt); err != nil {
+					errors.LogInfo(ctx, err, "failed to apply socket options")
+				}
+			})
+		}
 		return &PacketConnWrapper{
 			Conn: packetConn,
 			Dest: destAddr,

transport/internet/tls/config.go

@@ -109,12 +109,12 @@ func setupOcspTicker(entry *Certificate, callback func(isReloaded, isOcspstaplin
 		for {
 			var isReloaded bool
 			if entry.CertificatePath != "" && entry.KeyPath != "" {
-				newCert, err := filesystem.ReadCert(entry.CertificatePath)
+				newCert, err := filesystem.ReadFile(entry.CertificatePath)
 				if err != nil {
 					errors.LogErrorInner(context.Background(), err, "failed to parse certificate")
 					return
 				}
-				newKey, err := filesystem.ReadCert(entry.KeyPath)
+				newKey, err := filesystem.ReadFile(entry.KeyPath)
 				if err != nil {
 					errors.LogErrorInner(context.Background(), err, "failed to parse key")
 					return

transport/internet/tls/config.pb.go

@@ -207,7 +207,7 @@ type Config struct {
 	// @Critical
 	PinnedPeerCertificateChainSha256 [][]byte `protobuf:"bytes,13,rep,name=pinned_peer_certificate_chain_sha256,json=pinnedPeerCertificateChainSha256,proto3" json:"pinned_peer_certificate_chain_sha256,omitempty"`
 	// @Document Some certificate public key sha256 hashes.
-	// @Document After normal validation (required), if one of certs in verified chain matches one of these values, the connection will be eventually accepted.
+	// @Document After normal validation (required), if the verified cert's public key hash does not match any of these values, the connection will be aborted.
 	// @Critical
 	PinnedPeerCertificatePublicKeySha256 [][]byte `protobuf:"bytes,14,rep,name=pinned_peer_certificate_public_key_sha256,json=pinnedPeerCertificatePublicKeySha256,proto3" json:"pinned_peer_certificate_public_key_sha256,omitempty"`
 	MasterKeyLog                         string   `protobuf:"bytes,15,opt,name=master_key_log,json=masterKeyLog,proto3" json:"master_key_log,omitempty"`

transport/internet/tls/config.proto

@@ -76,7 +76,7 @@ message Config {
   repeated bytes pinned_peer_certificate_chain_sha256 = 13;
 
   /* @Document Some certificate public key sha256 hashes.
-     @Document After normal validation (required), if one of certs in verified chain matches one of these values, the connection will be eventually accepted.
+     @Document After normal validation (required), if the verified cert's public key hash does not match any of these values, the connection will be aborted.
      @Critical
   */
   repeated bytes pinned_peer_certificate_public_key_sha256 = 14;

transport/internet/tls/tls.go

@@ -151,14 +151,10 @@ func init() {
 	weights := utls.DefaultWeights
 	weights.TLSVersMax_Set_VersionTLS13 = 1
 	weights.FirstKeyShare_Set_CurveP256 = 0
-	randomized := utls.HelloRandomizedALPN
+	randomized := utls.HelloRandomized
 	randomized.Seed, _ = utls.NewPRNGSeed()
 	randomized.Weights = &weights
-	randomizednoalpn := utls.HelloRandomizedNoALPN
-	randomizednoalpn.Seed, _ = utls.NewPRNGSeed()
-	randomizednoalpn.Weights = &weights
 	PresetFingerprints["randomized"] = &randomized
-	PresetFingerprints["randomizednoalpn"] = &randomizednoalpn
 }
 
 func GetFingerprint(name string) (fingerprint *utls.ClientHelloID) {
@@ -189,7 +185,6 @@ var PresetFingerprints = map[string]*utls.ClientHelloID{
 	"qq":         &utls.HelloQQ_Auto,
 	"random":     nil,
 	"randomized": nil,
-	"randomizednoalpn": nil,
 	"unsafe":     nil,
 }
 
@@ -198,14 +193,12 @@ var ModernFingerprints = map[string]*utls.ClientHelloID{
 	"hellofirefox_99":         &utls.HelloFirefox_99,
 	"hellofirefox_102":        &utls.HelloFirefox_102,
 	"hellofirefox_105":        &utls.HelloFirefox_105,
-	"hellofirefox_120":        &utls.HelloFirefox_120,
 	"hellochrome_83":          &utls.HelloChrome_83,
 	"hellochrome_87":          &utls.HelloChrome_87,
 	"hellochrome_96":          &utls.HelloChrome_96,
 	"hellochrome_100":         &utls.HelloChrome_100,
 	"hellochrome_102":         &utls.HelloChrome_102,
 	"hellochrome_106_shuffle": &utls.HelloChrome_106_Shuffle,
-	"hellochrome_120":         &utls.HelloChrome_120,
 	"helloios_13":             &utls.HelloIOS_13,
 	"helloios_14":             &utls.HelloIOS_14,
 	"helloedge_85":            &utls.HelloEdge_85,