v1.8.0

Add tcpWindowClamp to sockopt (#1757 )
Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>
2025-08-23 01:56:48 +08:00 · 2023-03-09 13:55:09 +00:00 · 2023-03-09 13:51:16 +00:00 · 2023-03-08 14:06:20 +00:00 · 2023-03-08 13:43:42 +00:00 · 2023-03-04 15:39:27 +00:00
163 changed files with 4268 additions and 2206 deletions
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,51 @@ on:
      - "go.sum"
      - ".github/workflows/*.yml"
 jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Restore Cache
+        uses: actions/cache/restore@v3
+        with:
+          path: resources
+          key: xray-geodat-
+
+      - name: Update Geodat
+        id: update
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 60
+          retry_wait_seconds: 60
+          max_attempts: 60
+          command: |
+            [ -d 'resources' ] || mkdir resources
+            LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
+            for i in "${LIST[@]}"
+            do
+              INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
+              FILE_NAME="${INFO[2]}.dat"
+              echo -e "Verifying HASH key..."
+              HASH="$(curl -sL "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
+              if [ -s "./resources/${FILE_NAME}" ] && [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ]; then
+                  continue
+              else
+                  echo -e "Downloading https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat..."
+                  curl -L "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${INFO[1]}.dat" -o ./resources/${FILE_NAME}
+                  echo -e "Verifying HASH key..."
+                  [ "$(sha256sum "./resources/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
+                  echo "unhit=true" >> $GITHUB_OUTPUT
+              fi
+            done
+
+      - name: Save Cache
+        uses: actions/cache/save@v3
+        if: ${{ steps.update.outputs.unhit }}
+        with:
+          path: resources
+          key: xray-geodat-${{ github.sha }}-${{ github.run_number }}
+
  build:
+    needs: prepare
    permissions:
      contents: write
    strategy:
@@ -115,17 +159,15 @@ jobs:
        uses: actions/checkout@v3

      - name: Show workflow information 
-        id: get_filename
        run: |
          export _NAME=$(jq ".[\"$GOOS-$GOARCH$GOARM$GOMIPS\"].friendlyName" -r < .github/build/friendly-filenames.json)
          echo "GOOS: $GOOS, GOARCH: $GOARCH, GOARM: $GOARM, GOMIPS: $GOMIPS, RELEASE_NAME: $_NAME"
-          echo "::set-output name=ASSET_NAME::$_NAME"
          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
-          go-version: 1.19
+          go-version: '1.20'
          check-latest: true

      - name: Get project dependencies
@@ -162,31 +204,26 @@ jobs:
          cd ./build_assets || exit 1
          mv xray xray.exe

-      - name: Prepare to release
+      - name: Restore Cache
+        uses: actions/cache/restore@v3
+        with:
+          path: resources
+          key: xray-geodat-
+
+      - name: Copy README.md & LICENSE
        run: |
+          mv -f resources/* build_assets
          cp ${GITHUB_WORKSPACE}/README.md ./build_assets/README.md
          cp ${GITHUB_WORKSPACE}/LICENSE ./build_assets/LICENSE
-          LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
-          for i in "${LIST[@]}"
-          do
-            INFO=($(echo $i | awk 'BEGIN{FS=" ";OFS=" "} {print $1,$2,$3}'))
-            LASTEST_TAG="$(curl -sL "https://api.github.com/repos/v2fly/${INFO[0]}/releases" | jq -r ".[0].tag_name" || echo "latest")"
-            FILE_NAME="${INFO[2]}.dat"
-            echo -e "Downloading ${FILE_NAME}..."
-            curl -L "https://github.com/v2fly/${INFO[0]}/releases/download/${LASTEST_TAG}/${INFO[1]}.dat" -o ./build_assets/${FILE_NAME}
-            echo -e "Verifying HASH key..."
-            HASH="$(curl -sL "https://github.com/v2fly/${INFO[0]}/releases/download/${LASTEST_TAG}/${INFO[1]}.dat.sha256sum" | awk -F ' ' '{print $1}')"
-            [ "$(sha256sum "./build_assets/${FILE_NAME}" | awk -F ' ' '{print $1}')" == "${HASH}" ] || { echo -e "The HASH key of ${FILE_NAME} does not match cloud one."; exit 1; }
-          done

      - name: Create ZIP archive
        shell: bash
        run: |
          pushd build_assets || exit 1
          touch -mt $(date +%Y01010000) *
-          zip -9vr ../Xray-$ASSET_NAME.zip .
+          zip -9vr ../Xray-${{ env.ASSET_NAME }}.zip .
          popd || exit 1
-          FILE=./Xray-$ASSET_NAME.zip
+          FILE=./Xray-${{ env.ASSET_NAME }}.zip
          DGST=$FILE.dgst
          for METHOD in {"md5","sha1","sha256","sha512"}
          do
@@ -195,20 +232,20 @@ jobs:

      - name: Change the name
        run: |
-          mv build_assets Xray-$ASSET_NAME
+          mv build_assets Xray-${{ env.ASSET_NAME }}

      - name: Upload files to Artifacts
        uses: actions/upload-artifact@v3
        with:
-          name: Xray-${{ steps.get_filename.outputs.ASSET_NAME }}
+          name: Xray-${{ env.ASSET_NAME }}
          path: |
-            ./Xray-${{ steps.get_filename.outputs.ASSET_NAME }}/*
+            ./Xray-${{ env.ASSET_NAME }}/*

      - name: Upload binaries to release
        uses: svenstaro/upload-release-action@v2
        if: github.event_name == 'release'
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
-          file: ./Xray-${{ steps.get_filename.outputs.ASSET_NAME }}.zip*
+          file: ./Xray-${{ env.ASSET_NAME }}.zip*
          tag: ${{ github.ref }}
          file_glob: true
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,22 +30,15 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v3
        with:
-          go-version: 1.19
+          go-version: '1.20'
          check-latest: true
      - name: Checkout codebase
        uses: actions/checkout@v3
-
-      - name: Prepare geo*dat
-        if: ${{ matrix.os != 'windows-latest' }}
-        run: |
-          mkdir resources
-          wget -O ./resources/geoip.dat https://github.com/v2fly/geoip/releases/latest/download/geoip.dat
-          wget -O ./resources/geosite.dat https://github.com/v2fly/domain-list-community/releases/latest/download/dlc.dat
-      - name: Prepare geo*dat for Windows
-        if: ${{ matrix.os == 'windows-latest' }}
-        run: |
-          mkdir resources
-          Invoke-WebRequest -Uri "https://github.com/v2fly/geoip/releases/latest/download/geoip.dat" -OutFile "./resources/geoip.dat"
-          Invoke-WebRequest -Uri "https://github.com/v2fly/domain-list-community/releases/latest/download/dlc.dat" -OutFile "./resources/geosite.dat"
+      - name: Restore Cache
+        uses: actions/cache/restore@v3
+        with:
+          path: resources
+          key: xray-geodat-
+          enableCrossOsArchive: true
      - name: Test
        run: go test -timeout 1h -v ./...
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ This repo relies on the following third-party projects:
 - In production:
  - [ghodss/yaml](https://github.com/ghodss/yaml)
  - [gorilla/websocket](https://github.com/gorilla/websocket)
-  - [lucas-clemente/quic-go](https://github.com/lucas-clemente/quic-go)
+  - [quic-go/quic-go](https://github.com/quic-go/quic-go)
  - [pelletier/go-toml](https://github.com/pelletier/go-toml)
  - [pires/go-proxyproto](https://github.com/pires/go-proxyproto)
  - [refraction-networking/utls](https://github.com/refraction-networking/utls)
--- a/app/commander/config.pb.go
+++ b/app/commander/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/commander/config.proto

 package commander
--- a/app/dispatcher/config.pb.go
+++ b/app/dispatcher/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/dispatcher/config.proto

 package dispatcher
--- a/app/dns/config.pb.go
+++ b/app/dns/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/dns/config.proto

 package dns
--- a/app/dns/dnscommon.go
+++ b/app/dns/dnscommon.go
@@ -7,8 +7,8 @@ import (
 	"time"

 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/errors"
+	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/core"
--- a/app/dns/fakedns/fakedns.pb.go
+++ b/app/dns/fakedns/fakedns.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/dns/fakedns/fakedns.proto

 package fakedns
--- a/app/dns/nameserver_quic.go
+++ b/app/dns/nameserver_quic.go
@@ -7,7 +7,7 @@ import (
 	"sync/atomic"
 	"time"

-	"github.com/lucas-clemente/quic-go"
+	"github.com/quic-go/quic-go"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/log"
--- a/app/log/command/config.pb.go
+++ b/app/log/command/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/log/command/config.proto

 package command
--- a/app/log/command/config_grpc.pb.go
+++ b/app/log/command/config_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc             v3.21.12
 // source: app/log/command/config.proto

 package command
--- a/app/log/config.pb.go
+++ b/app/log/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/log/config.proto

 package log
--- a/app/metrics/config.pb.go
+++ b/app/metrics/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/metrics/config.proto

 package metrics
--- a/app/observatory/command/command.pb.go
+++ b/app/observatory/command/command.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/observatory/command/command.proto

 package command
--- a/app/observatory/command/command_grpc.pb.go
+++ b/app/observatory/command/command_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc             v3.21.12
 // source: app/observatory/command/command.proto

 package command
--- a/app/observatory/config.pb.go
+++ b/app/observatory/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/observatory/config.proto

 package observatory
--- a/app/policy/config.pb.go
+++ b/app/policy/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/policy/config.proto

 package policy
--- a/app/proxyman/command/command.pb.go
+++ b/app/proxyman/command/command.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/proxyman/command/command.proto

 package command
--- a/app/proxyman/command/command_grpc.pb.go
+++ b/app/proxyman/command/command_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc             v3.21.12
 // source: app/proxyman/command/command.proto

 package command
--- a/app/proxyman/config.pb.go
+++ b/app/proxyman/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/proxyman/config.proto

 package proxyman
--- a/app/reverse/config.pb.go
+++ b/app/reverse/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/reverse/config.proto

 package reverse
--- a/app/router/command/command.pb.go
+++ b/app/router/command/command.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/router/command/command.proto

 package command
--- a/app/router/command/command_grpc.pb.go
+++ b/app/router/command/command_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc             v3.21.12
 // source: app/router/command/command.proto

 package command
--- a/app/router/config.pb.go
+++ b/app/router/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/router/config.proto

 package router
--- a/app/stats/command/command.pb.go
+++ b/app/stats/command/command.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/stats/command/command.proto

 package command
--- a/app/stats/command/command_grpc.pb.go
+++ b/app/stats/command/command_grpc.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
 // - protoc-gen-go-grpc v1.2.0
-// - protoc             v3.18.0
+// - protoc             v3.21.12
 // source: app/stats/command/command.proto

 package command
--- a/app/stats/config.pb.go
+++ b/app/stats/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: app/stats/config.proto

 package stats
--- a/common/buf/buffer.go
+++ b/common/buf/buffer.go
@@ -160,6 +160,19 @@ func (b *Buffer) BytesTo(to int32) []byte {
 	return b.v[b.start : b.start+to]
 }

+// Check makes sure that 0 <= b.start <= b.end.
+func (b *Buffer) Check() {
+	if b.start < 0 {
+		b.start = 0
+	}
+	if b.end < 0 {
+		b.end = 0
+	}
+	if b.start > b.end {
+		b.start = b.end
+	}
+}
+
 // Resize cuts the buffer at the given position.
 func (b *Buffer) Resize(from, to int32) {
 	if from < 0 {
@@ -173,6 +186,7 @@ func (b *Buffer) Resize(from, to int32) {
 	}
 	b.end = b.start + to
 	b.start += from
+	b.Check()
 }

 // Advance cuts the buffer at the given position.
@@ -181,6 +195,7 @@ func (b *Buffer) Advance(from int32) {
 		from += b.Len()
 	}
 	b.start += from
+	b.Check()
 }

 // Len returns the length of the buffer content.
--- a/common/crypto/auth.go
+++ b/common/crypto/auth.go
@@ -2,8 +2,8 @@ package crypto

 import (
 	"crypto/cipher"
+	"crypto/rand"
 	"io"
-	"math/rand"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
@@ -265,7 +265,8 @@ func (w *AuthenticationWriter) seal(b []byte) (*buf.Buffer, error) {
 		return nil, err
 	}
 	if paddingSize > 0 {
-		// With size of the chunk and padding length encrypted, the content of padding doesn't matter much.
+		// These paddings will send in clear text.
+		// To avoid leakage of PRNG internal state, a cryptographically secure PRNG should be used.
 		paddingBytes := eb.Extend(paddingSize)
 		common.Must2(rand.Read(paddingBytes))
 	}
--- a/common/log/log.pb.go
+++ b/common/log/log.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/log/log.proto

 package log
--- a/common/mux/client.go
+++ b/common/mux/client.go
@@ -355,6 +355,7 @@ func (m *ClientWorker) handleStatusEnd(meta *FrameMetadata, reader *buf.Buffered
 			common.Interrupt(s.input)
 			common.Interrupt(s.output)
 		}
+		common.Interrupt(s.input)
 		s.Close()
 	}
 	if meta.Option.Has(OptionData) {
--- a/common/mux/server.go
+++ b/common/mux/server.go
@@ -202,6 +202,7 @@ func (w *ServerWorker) handleStatusEnd(meta *FrameMetadata, reader *buf.Buffered
 			common.Interrupt(s.input)
 			common.Interrupt(s.output)
 		}
+		common.Interrupt(s.input)
 		s.Close()
 	}
 	if meta.Option.Has(OptionData) {
--- a/common/net/address.pb.go
+++ b/common/net/address.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/net/address.proto

 package net
--- a/common/net/destination.pb.go
+++ b/common/net/destination.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/net/destination.proto

 package net
--- a/common/net/network.pb.go
+++ b/common/net/network.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/net/network.proto

 package net
--- a/common/net/port.pb.go
+++ b/common/net/port.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/net/port.proto

 package net
--- a/common/protocol/headers.go
+++ b/common/protocol/headers.go
@@ -3,6 +3,8 @@ package protocol
 import (
 	"runtime"

+	"golang.org/x/sys/cpu"
+
 	"github.com/xtls/xray-core/common/bitmask"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/uuid"
@@ -79,9 +81,21 @@ type CommandSwitchAccount struct {
 	ValidMin byte
 }

+var (
+	hasGCMAsmAMD64 = cpu.X86.HasAES && cpu.X86.HasPCLMULQDQ
+	hasGCMAsmARM64 = cpu.ARM64.HasAES && cpu.ARM64.HasPMULL
+	// Keep in sync with crypto/aes/cipher_s390x.go.
+	hasGCMAsmS390X = cpu.S390X.HasAES && cpu.S390X.HasAESCBC && cpu.S390X.HasAESCTR &&
+		(cpu.S390X.HasGHASH || cpu.S390X.HasAESGCM)
+
+	hasAESGCMHardwareSupport = runtime.GOARCH == "amd64" && hasGCMAsmAMD64 ||
+		runtime.GOARCH == "arm64" && hasGCMAsmARM64 ||
+		runtime.GOARCH == "s390x" && hasGCMAsmS390X
+)
+
 func (sc *SecurityConfig) GetSecurityType() SecurityType {
 	if sc == nil || sc.Type == SecurityType_AUTO {
-		if runtime.GOARCH == "amd64" || runtime.GOARCH == "s390x" || runtime.GOARCH == "arm64" {
+		if hasAESGCMHardwareSupport {
 			return SecurityType_AES128_GCM
 		}
 		return SecurityType_CHACHA20_POLY1305
--- a/common/protocol/headers.pb.go
+++ b/common/protocol/headers.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/protocol/headers.proto

 package protocol
--- a/common/protocol/quic/qtls_go118.go
+++ b/common/protocol/quic/qtls_go118.go
@@ -1,16 +1,18 @@
 package quic

 import (
+	"crypto"
 	"crypto/cipher"
-
-	"github.com/marten-seemann/qtls-go1-18"
+	_ "crypto/tls"
+	_ "unsafe"
 )

-type (
-	// A CipherSuiteTLS13 is a cipher suite for TLS 1.3
-	CipherSuiteTLS13 = qtls.CipherSuiteTLS13
-)
-
-func AEADAESGCMTLS13(key, fixedNonce []byte) cipher.AEAD {
-	return qtls.AEADAESGCMTLS13(key, fixedNonce)
+type CipherSuiteTLS13 struct {
+	ID     uint16
+	KeyLen int
+	AEAD   func(key, fixedNonce []byte) cipher.AEAD
+	Hash   crypto.Hash
 }
+
+//go:linkname AEADAESGCMTLS13 crypto/tls.aeadAESGCMTLS13
+func AEADAESGCMTLS13(key, nonceMask []byte) cipher.AEAD
--- a/common/protocol/quic/sniff.go
+++ b/common/protocol/quic/sniff.go
@@ -7,7 +7,7 @@ import (
 	"encoding/binary"
 	"io"

-	"github.com/lucas-clemente/quic-go/quicvarint"
+	"github.com/quic-go/quic-go/quicvarint"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
--- a/common/protocol/server_spec.pb.go
+++ b/common/protocol/server_spec.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/protocol/server_spec.proto

 package protocol
--- a/common/protocol/user.pb.go
+++ b/common/protocol/user.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/protocol/user.proto

 package protocol
--- a/common/serial/typed_message.pb.go
+++ b/common/serial/typed_message.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: common/serial/typed_message.proto

 package serial
--- a/core/config.pb.go
+++ b/core/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: core/config.proto

 package core
--- a/core/context.go
+++ b/core/context.go
@@ -26,7 +26,8 @@ func MustFromContext(ctx context.Context) *Instance {
 	return x
 }

-/* toContext returns ctx from the given context, or creates an Instance if the context doesn't find that.
+/*
+	toContext returns ctx from the given context, or creates an Instance if the context doesn't find that.

 It is unsupported to use this function to create a context that is suitable to invoke Xray's internal component
 in third party code, you shouldn't use //go:linkname to alias of this function into your own package and
@@ -34,7 +35,6 @@ use this function in your third party code.

 For third party code, usage enabled by creating a context to interact with Xray's internal component is unsupported,
 and may break at any time.
-
 */
 func toContext(ctx context.Context, v *Instance) context.Context {
 	if FromContext(ctx) != v {
@@ -43,7 +43,8 @@ func toContext(ctx context.Context, v *Instance) context.Context {
 	return ctx
 }

-/*ToBackgroundDetachedContext create a detached context from another context
+/*
+ToBackgroundDetachedContext create a detached context from another context
 Internal API
 */
 func ToBackgroundDetachedContext(ctx context.Context) context.Context {
--- a/core/core.go
+++ b/core/core.go
@@ -12,13 +12,19 @@ package core
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen

 import (
+	"fmt"
 	"runtime"

 	"github.com/xtls/xray-core/common/serial"
 )

 var (
-	version  = "1.6.4"
+	Version_x byte = 1
+	Version_y byte = 8
+	Version_z byte = 0
+)
+
+var (
 	build    = "Custom"
 	codename = "Xray, Penetrates Everything."
 	intro    = "A unified platform for anti-censorship."
@@ -27,7 +33,7 @@ var (
 // Version returns Xray's version as a string, in the form of "x.y.z" where x, y and z are numbers.
 // ".z" part may be omitted in regular releases.
 func Version() string {
-	return version
+	return fmt.Sprintf("%v.%v.%v", Version_x, Version_y, Version_z)
 }

 // VersionStatement returns a list of strings representing the full version info.
--- a/go.mod
+++ b/go.mod
@@ -1,53 +1,58 @@
 module github.com/xtls/xray-core

-go 1.19
+go 1.20

 require (
-	github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32
+	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.6.0
-	github.com/golang/protobuf v1.5.2
+	github.com/golang/protobuf v1.5.3
 	github.com/google/go-cmp v0.5.9
 	github.com/gorilla/websocket v1.5.0
-	github.com/lucas-clemente/quic-go v0.30.0
-	github.com/marten-seemann/qtls-go1-18 v0.1.3
-	github.com/miekg/dns v1.1.50
+	github.com/miekg/dns v1.1.51
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.6.2
-	github.com/refraction-networking/utls v1.1.5
-	github.com/sagernet/sing v0.0.0-20220801112236-1bb95f9661fc
-	github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1
+	github.com/quic-go/quic-go v0.33.0
+	github.com/refraction-networking/utls v1.2.3-0.20230308205431-4f1df6c200db
+	github.com/sagernet/sing v0.1.7
+	github.com/sagernet/sing-shadowsocks v0.1.1
+	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
-	github.com/stretchr/testify v1.8.1
+	github.com/stretchr/testify v1.8.2
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
-	github.com/xtls/go v0.0.0-20220914232946-0441cf4cf837
-	go.starlark.net v0.0.0-20221028183056-acb66ad56dd2
-	golang.org/x/crypto v0.2.0
-	golang.org/x/net v0.2.0
+	github.com/xtls/reality v0.0.0-20230309125256-0d0713b108c8
+	go.starlark.net v0.0.0-20230302034142-4b1e35fe2254
+	golang.org/x/crypto v0.7.0
+	golang.org/x/net v0.8.0
 	golang.org/x/sync v0.1.0
-	golang.org/x/sys v0.2.0
-	google.golang.org/grpc v1.50.1
-	google.golang.org/protobuf v1.28.1
+	golang.org/x/sys v0.6.0
+	google.golang.org/grpc v1.53.0
+	google.golang.org/protobuf v1.29.0
+	gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c
 	h12.io/socks v1.0.3
 )

 require (
-	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/andybalholm/brotli v1.0.5 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
-	github.com/google/pprof v0.0.0-20221112000123-84eb7ad69597 // indirect
-	github.com/klauspost/compress v1.15.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.0 // indirect
-	github.com/marten-seemann/qtls-go1-19 v0.1.1 // indirect
-	github.com/onsi/ginkgo/v2 v2.5.0 // indirect
+	github.com/google/btree v1.1.2 // indirect
+	github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10 // indirect
+	github.com/klauspost/compress v1.16.0 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/onsi/ginkgo/v2 v2.9.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.2.1 // indirect
+	github.com/quic-go/qtls-go1-20 v0.1.1 // indirect
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
-	golang.org/x/exp v0.0.0-20221111204811-129d8d6c17ab // indirect
-	golang.org/x/mod v0.7.0 // indirect
-	golang.org/x/text v0.4.0 // indirect
-	golang.org/x/tools v0.3.0 // indirect
-	google.golang.org/genproto v0.0.0-20221111202108-142d8a6fa32e // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	golang.org/x/exp v0.0.0-20230307190834-24139beb5833 // indirect
+	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	golang.org/x/tools v0.7.0 // indirect
+	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/blake3 v1.1.7 // indirect
--- a/go.sum
+++ b/go.sum
@@ -8,8 +8,8 @@ dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/andybalholm/brotli v1.0.4 h1:V7DdXeJtZscaqfNuAdSRuRFzuiKlHSC/Zh3zl9qY3JY=
-github.com/andybalholm/brotli v1.0.4/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
+github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
@@ -34,8 +34,8 @@ github.com/francoispqt/gojay v1.2.13 h1:d2m3sFjloqoIUQU3TsHBgj6qg/BVGlTBeHDUmyJn
 github.com/francoispqt/gojay v1.2.13/go.mod h1:ehT5mTG4ua4581f1++1WLG0vPdaA9HaiDsoyrBGkyDY=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32 h1:Mn26/9ZMNWSw9C9ERFA1PUxfmGpolnw2v0bKOREu5ew=
-github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
+github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344 h1:Arcl6UOIS/kgO2nW3A65HN+7CMjSDP/gofXL4CZt1V4=
+github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I=
 github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
 github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
 github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
@@ -58,9 +58,11 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
+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 v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -74,8 +76,8 @@ github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+u
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
-github.com/google/pprof v0.0.0-20221112000123-84eb7ad69597 h1:BfATJjOtQYCyv2AM4mh/VFYgJjHDeXGfKdClCrUCh1w=
-github.com/google/pprof v0.0.0-20221112000123-84eb7ad69597/go.mod h1:dDKJzRmX4S37WGHujM7tX//fmj1uioxKzKxz3lo4HJo=
+github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10 h1:CqYfpuYIjnlNxM3msdyPRKabhXZWbKjf3Q8BWROFBso=
+github.com/google/pprof v0.0.0-20230228050547-1710fef4ab10/go.mod h1:79YE0hCXdHag9sBkw2o+N/YnZtTkXi0UT9Nnixa5eYk=
 github.com/googleapis/gax-go v2.0.0+incompatible/go.mod h1:SFVmujtThgffbyetf+mdk2eWhX2bMyUtNHzFKcPA9HY=
 github.com/googleapis/gax-go/v2 v2.0.3/go.mod h1:LLvjysVCY1JZeum8Z6l8qUty8fiNwE08qbEPm1M08qg=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
@@ -89,37 +91,30 @@ github.com/jellevandenhooff/dkim v0.0.0-20150330215556-f50fe3d243e1/go.mod h1:E0
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/klauspost/compress v1.15.9/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
-github.com/klauspost/compress v1.15.12 h1:YClS/PImqYbn+UILDnqxQCZ3RehC9N318SU3kElDUEM=
-github.com/klauspost/compress v1.15.12/go.mod h1:QPwzmACJjUTFsnSHH934V6woptycfrDDJnH7hvFVbGM=
+github.com/klauspost/compress v1.16.0 h1:iULayQNOReoYUe+1qtKOqw9CwJv3aNQu8ivo7lw1HU4=
+github.com/klauspost/compress v1.16.0/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
 github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
-github.com/klauspost/cpuid/v2 v2.2.0 h1:4ZexSFt8agMNzNisrsilL6RClWDC5YJnLHNIfTy4iuc=
-github.com/klauspost/cpuid/v2 v2.2.0/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
+github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk=
+github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lucas-clemente/quic-go v0.30.0 h1:nwLW0h8ahVQ5EPTIM7uhl/stHqQDea15oRlYKZmw2O0=
-github.com/lucas-clemente/quic-go v0.30.0/go.mod h1:ssOrRsOmdxa768Wr78vnh2B8JozgLsMzG/g+0qEC7uk=
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 golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -239,6 +247,7 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 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 v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -249,27 +258,30 @@ golang.org/x/sys v0.0.0-20190316082340-a2f829d7f35f/go.mod h1:h1NjWce9XRLGQEsW7w
 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=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.0.0-20220526004731-065cf7ba2467/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-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 v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
+golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030000716-a0a13e073c7b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -279,9 +291,10 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
+golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
+golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
 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 v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -300,16 +313,16 @@ google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898/go.mod h1:7Ep/1NZk
 google.golang.org/genproto v0.0.0-20190306203927-b5d61aea6440/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20221111202108-142d8a6fa32e h1:azcyH5lGzGy7pkLCbhPe0KkKxsM7c6UA/FZIXImKE7M=
-google.golang.org/genproto v0.0.0-20221111202108-142d8a6fa32e/go.mod h1:rZS5c/ZVYMaOGBfO68GWtjOw/eLaZM1X6iVtgjZ+EWg=
+google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 h1:DdoeryqhaXp1LtT/emMP1BRJPHHKFi5akj/nbx/zNTA=
+google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.50.1 h1:DS/BukOZWp8s6p4Dt/tOaJaTQyPyOoCcrjroHuCeLzY=
-google.golang.org/grpc v1.50.1/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI=
+google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
+google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -320,8 +333,8 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.29.0 h1:44S3JjaKmLEE4YIkjzexaP+NzZsudE3Zin5Njn/pYX0=
+google.golang.org/protobuf v1.29.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
@@ -334,6 +347,8 @@ gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
+gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c h1:m5lcgWnL3OElQNVyp3qcncItJ2c0sQlSGjYK2+nJTA4=
+gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c/go.mod h1:TIvkJD0sxe8pIob3p6T8IzxXunlp6yfgktvTNp+DGNM=
 h12.io/socks v1.0.3 h1:Ka3qaQewws4j4/eDQnOdpr4wXsC//dXtWvftlIcCQUo=
 h12.io/socks v1.0.3/go.mod h1:AIhxy1jOId/XCz9BO+EIgNL2rQiPTBNnOfnVnQ+3Eck=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/infra/conf/http.go
+++ b/infra/conf/http.go
@@ -53,6 +53,7 @@ type HTTPRemoteConfig struct {

 type HTTPClientConfig struct {
 	Servers []*HTTPRemoteConfig `json:"servers"`
+	Headers map[string]string   `json:"headers"`
 }

 func (v *HTTPClientConfig) Build() (proto.Message, error) {
@@ -77,5 +78,12 @@ func (v *HTTPClientConfig) Build() (proto.Message, error) {
 		}
 		config.Server[idx] = server
 	}
+	config.Header = make([]*http.Header, 0, 32)
+	for key, value := range v.Headers {
+		config.Header = append(config.Header, &http.Header{
+			Key:   key,
+			Value: value,
+		})
+	}
 	return config, nil
 }
--- a/infra/conf/shadowsocks.go
+++ b/infra/conf/shadowsocks.go
@@ -107,7 +107,7 @@ func buildShadowsocks2022(v *ShadowsocksServerConfig) (proto.Message, error) {
 		config.Email = v.Email
 		return config, nil
 	}
-	
+
 	if v.Cipher == "" {
 		return nil, newError("shadowsocks 2022 (multi-user): missing server method")
 	}
@@ -120,7 +120,7 @@ func buildShadowsocks2022(v *ShadowsocksServerConfig) (proto.Message, error) {
 		config.Method = v.Cipher
 		config.Key = v.Password
 		config.Network = v.NetworkList.Build()
-	
+
 		for _, user := range v.Users {
 			if user.Cipher != "" {
 				return nil, newError("shadowsocks 2022 (multi-user): users must have empty method")
@@ -145,10 +145,10 @@ func buildShadowsocks2022(v *ShadowsocksServerConfig) (proto.Message, error) {
 			return nil, newError("shadowsocks 2022 (relay): all users must have relay address")
 		}
 		config.Destinations = append(config.Destinations, &shadowsocks_2022.RelayDestination{
-			Key: user.Password,
-			Email: user.Email,
+			Key:     user.Password,
+			Email:   user.Email,
 			Address: user.Address.Build(),
-			Port: uint32(user.Port),
+			Port:    uint32(user.Port),
 		})
 	}
 	return config, nil
--- a/infra/conf/transport_authenticators.go
+++ b/infra/conf/transport_authenticators.go
@@ -4,6 +4,7 @@ import (
 	"sort"

 	"github.com/golang/protobuf/proto"
+	"github.com/xtls/xray-core/transport/internet/headers/dns"
 	"github.com/xtls/xray-core/transport/internet/headers/http"
 	"github.com/xtls/xray-core/transport/internet/headers/noop"
 	"github.com/xtls/xray-core/transport/internet/headers/srtp"
@@ -49,6 +50,19 @@ func (WireguardAuthenticator) Build() (proto.Message, error) {
 	return new(wireguard.WireguardConfig), nil
 }

+type DNSAuthenticator struct {
+	Domain string `json:"domain"`
+}
+
+func (v *DNSAuthenticator) Build() (proto.Message, error) {
+	config := new(dns.Config)
+	config.Domain = "www.baidu.com"
+	if len(v.Domain) > 0 {
+		config.Domain = v.Domain
+	}
+	return config, nil
+}
+
 type DTLSAuthenticator struct{}

 func (DTLSAuthenticator) Build() (proto.Message, error) {
--- a/infra/conf/transport_internet.go
+++ b/infra/conf/transport_internet.go
@@ -2,13 +2,17 @@ package conf

 import (
 	"encoding/base64"
+	"encoding/hex"
 	"encoding/json"
 	"math"
 	"net/url"
+	"runtime"
 	"strconv"
 	"strings"
+	"syscall"

 	"github.com/golang/protobuf/proto"
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/platform/filesystem"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/serial"
@@ -18,10 +22,10 @@ import (
 	"github.com/xtls/xray-core/transport/internet/http"
 	"github.com/xtls/xray-core/transport/internet/kcp"
 	"github.com/xtls/xray-core/transport/internet/quic"
+	"github.com/xtls/xray-core/transport/internet/reality"
 	"github.com/xtls/xray-core/transport/internet/tcp"
 	"github.com/xtls/xray-core/transport/internet/tls"
 	"github.com/xtls/xray-core/transport/internet/websocket"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

 var (
@@ -32,6 +36,7 @@ var (
 		"wechat-video": func() interface{} { return new(WechatVideoAuthenticator) },
 		"dtls":         func() interface{} { return new(DTLSAuthenticator) },
 		"wireguard":    func() interface{} { return new(WireguardAuthenticator) },
+		"dns":          func() interface{} { return new(DNSAuthenticator) },
 	}, "type", "")

 	tcpHeaderLoader = NewJSONConfigLoader(ConfigCreatorCache{
@@ -338,19 +343,20 @@ func (c *TLSCertConfig) Build() (*tls.Certificate, error) {
 }

 type TLSConfig struct {
-	Insecure                         bool             `json:"allowInsecure"`
-	Certs                            []*TLSCertConfig `json:"certificates"`
-	ServerName                       string           `json:"serverName"`
-	ALPN                             *StringList      `json:"alpn"`
-	EnableSessionResumption          bool             `json:"enableSessionResumption"`
-	DisableSystemRoot                bool             `json:"disableSystemRoot"`
-	MinVersion                       string           `json:"minVersion"`
-	MaxVersion                       string           `json:"maxVersion"`
-	CipherSuites                     string           `json:"cipherSuites"`
-	PreferServerCipherSuites         bool             `json:"preferServerCipherSuites"`
-	Fingerprint                      string           `json:"fingerprint"`
-	RejectUnknownSNI                 bool             `json:"rejectUnknownSni"`
-	PinnedPeerCertificateChainSha256 *[]string        `json:"pinnedPeerCertificateChainSha256"`
+	Insecure                             bool             `json:"allowInsecure"`
+	Certs                                []*TLSCertConfig `json:"certificates"`
+	ServerName                           string           `json:"serverName"`
+	ALPN                                 *StringList      `json:"alpn"`
+	EnableSessionResumption              bool             `json:"enableSessionResumption"`
+	DisableSystemRoot                    bool             `json:"disableSystemRoot"`
+	MinVersion                           string           `json:"minVersion"`
+	MaxVersion                           string           `json:"maxVersion"`
+	CipherSuites                         string           `json:"cipherSuites"`
+	PreferServerCipherSuites             bool             `json:"preferServerCipherSuites"`
+	Fingerprint                          string           `json:"fingerprint"`
+	RejectUnknownSNI                     bool             `json:"rejectUnknownSni"`
+	PinnedPeerCertificateChainSha256     *[]string        `json:"pinnedPeerCertificateChainSha256"`
+	PinnedPeerCertificatePublicKeySha256 *[]string        `json:"pinnedPeerCertificatePublicKeySha256"`
 }

 // Build implements Buildable.
@@ -379,6 +385,9 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 	config.CipherSuites = c.CipherSuites
 	config.PreferServerCipherSuites = c.PreferServerCipherSuites
 	config.Fingerprint = strings.ToLower(c.Fingerprint)
+	if config.Fingerprint != "" && tls.GetFingerprint(config.Fingerprint) == nil {
+		return nil, newError(`unknown fingerprint: `, config.Fingerprint)
+	}
 	config.RejectUnknownSni = c.RejectUnknownSNI

 	if c.PinnedPeerCertificateChainSha256 != nil {
@@ -392,111 +401,184 @@ func (c *TLSConfig) Build() (proto.Message, error) {
 		}
 	}

+	if c.PinnedPeerCertificatePublicKeySha256 != nil {
+		config.PinnedPeerCertificatePublicKeySha256 = [][]byte{}
+		for _, v := range *c.PinnedPeerCertificatePublicKeySha256 {
+			hashValue, err := base64.StdEncoding.DecodeString(v)
+			if err != nil {
+				return nil, err
+			}
+			config.PinnedPeerCertificatePublicKeySha256 = append(config.PinnedPeerCertificatePublicKeySha256, hashValue)
+		}
+	}
+
 	return config, nil
 }

-type XTLSCertConfig struct {
-	CertFile       string   `json:"certificateFile"`
-	CertStr        []string `json:"certificate"`
-	KeyFile        string   `json:"keyFile"`
-	KeyStr         []string `json:"key"`
-	Usage          string   `json:"usage"`
-	OcspStapling   uint64   `json:"ocspStapling"`
-	OneTimeLoading bool     `json:"oneTimeLoading"`
+type REALITYConfig struct {
+	Show         bool            `json:"show"`
+	Dest         json.RawMessage `json:"dest"`
+	Type         string          `json:"type"`
+	Xver         uint64          `json:"xver"`
+	ServerNames  []string        `json:"serverNames"`
+	PrivateKey   string          `json:"privateKey"`
+	MinClientVer string          `json:"minClientVer"`
+	MaxClientVer string          `json:"maxClientVer"`
+	MaxTimeDiff  uint64          `json:"maxTimeDiff"`
+	ShortIds     []string        `json:"shortIds"`
+
+	Fingerprint string `json:"fingerprint"`
+	ServerName  string `json:"serverName"`
+	PublicKey   string `json:"publicKey"`
+	ShortId     string `json:"shortId"`
+	SpiderX     string `json:"spiderX"`
 }

-// Build implements Buildable.
-func (c *XTLSCertConfig) Build() (*xtls.Certificate, error) {
-	certificate := new(xtls.Certificate)
-	cert, err := readFileOrString(c.CertFile, c.CertStr)
-	if err != nil {
-		return nil, newError("failed to parse certificate").Base(err)
-	}
-	certificate.Certificate = cert
-	certificate.CertificatePath = c.CertFile
-
-	if len(c.KeyFile) > 0 || len(c.KeyStr) > 0 {
-		key, err := readFileOrString(c.KeyFile, c.KeyStr)
-		if err != nil {
-			return nil, newError("failed to parse key").Base(err)
+func (c *REALITYConfig) Build() (proto.Message, error) {
+	config := new(reality.Config)
+	config.Show = c.Show
+	var err error
+	if c.Dest != nil {
+		var i uint16
+		var s string
+		if err = json.Unmarshal(c.Dest, &i); err == nil {
+			s = strconv.Itoa(int(i))
+		} else {
+			_ = json.Unmarshal(c.Dest, &s)
 		}
-		certificate.Key = key
-		certificate.KeyPath = c.KeyFile
-	}
-
-	switch strings.ToLower(c.Usage) {
-	case "encipherment":
-		certificate.Usage = xtls.Certificate_ENCIPHERMENT
-	case "verify":
-		certificate.Usage = xtls.Certificate_AUTHORITY_VERIFY
-	case "issue":
-		certificate.Usage = xtls.Certificate_AUTHORITY_ISSUE
-	default:
-		certificate.Usage = xtls.Certificate_ENCIPHERMENT
-	}
-	if certificate.KeyPath == "" && certificate.CertificatePath == "" {
-		certificate.OneTimeLoading = true
-	} else {
-		certificate.OneTimeLoading = c.OneTimeLoading
-	}
-	certificate.OcspStapling = c.OcspStapling
-
-	return certificate, nil
-}
-
-type XTLSConfig struct {
-	Insecure                         bool              `json:"allowInsecure"`
-	Certs                            []*XTLSCertConfig `json:"certificates"`
-	ServerName                       string            `json:"serverName"`
-	ALPN                             *StringList       `json:"alpn"`
-	EnableSessionResumption          bool              `json:"enableSessionResumption"`
-	DisableSystemRoot                bool              `json:"disableSystemRoot"`
-	MinVersion                       string            `json:"minVersion"`
-	MaxVersion                       string            `json:"maxVersion"`
-	CipherSuites                     string            `json:"cipherSuites"`
-	PreferServerCipherSuites         bool              `json:"preferServerCipherSuites"`
-	RejectUnknownSNI                 bool              `json:"rejectUnknownSni"`
-	PinnedPeerCertificateChainSha256 *[]string         `json:"pinnedPeerCertificateChainSha256"`
-}
-
-// Build implements Buildable.
-func (c *XTLSConfig) Build() (proto.Message, error) {
-	config := new(xtls.Config)
-	config.Certificate = make([]*xtls.Certificate, len(c.Certs))
-	for idx, certConf := range c.Certs {
-		cert, err := certConf.Build()
-		if err != nil {
-			return nil, err
-		}
-		config.Certificate[idx] = cert
-	}
-	serverName := c.ServerName
-	config.AllowInsecure = c.Insecure
-	if len(c.ServerName) > 0 {
-		config.ServerName = serverName
-	}
-	if c.ALPN != nil && len(*c.ALPN) > 0 {
-		config.NextProtocol = []string(*c.ALPN)
-	}
-	config.EnableSessionResumption = c.EnableSessionResumption
-	config.DisableSystemRoot = c.DisableSystemRoot
-	config.MinVersion = c.MinVersion
-	config.MaxVersion = c.MaxVersion
-	config.CipherSuites = c.CipherSuites
-	config.PreferServerCipherSuites = c.PreferServerCipherSuites
-	config.RejectUnknownSni = c.RejectUnknownSNI
-
-	if c.PinnedPeerCertificateChainSha256 != nil {
-		config.PinnedPeerCertificateChainSha256 = [][]byte{}
-		for _, v := range *c.PinnedPeerCertificateChainSha256 {
-			hashValue, err := base64.StdEncoding.DecodeString(v)
-			if err != nil {
-				return nil, err
+		if c.Type == "" && s != "" {
+			switch s[0] {
+			case '@', '/':
+				c.Type = "unix"
+				if s[0] == '@' && len(s) > 1 && s[1] == '@' && (runtime.GOOS == "linux" || runtime.GOOS == "android") {
+					fullAddr := make([]byte, len(syscall.RawSockaddrUnix{}.Path)) // may need padding to work with haproxy
+					copy(fullAddr, s[1:])
+					s = string(fullAddr)
+				}
+			default:
+				if _, err = strconv.Atoi(s); err == nil {
+					s = "127.0.0.1:" + s
+				}
+				if _, _, err = net.SplitHostPort(s); err == nil {
+					c.Type = "tcp"
+				}
 			}
-			config.PinnedPeerCertificateChainSha256 = append(config.PinnedPeerCertificateChainSha256, hashValue)
 		}
+		if c.Type == "" {
+			return nil, newError(`please fill in a valid value for "dest"`)
+		}
+		if c.Xver > 2 {
+			return nil, newError(`invalid PROXY protocol version, "xver" only accepts 0, 1, 2`)
+		}
+		if len(c.ServerNames) == 0 {
+			return nil, newError(`empty "serverNames"`)
+		}
+		if c.PrivateKey == "" {
+			return nil, newError(`empty "privateKey"`)
+		}
+		if config.PrivateKey, err = base64.RawURLEncoding.DecodeString(c.PrivateKey); err != nil || len(config.PrivateKey) != 32 {
+			return nil, newError(`invalid "privateKey": `, c.PrivateKey)
+		}
+		if c.MinClientVer != "" {
+			config.MinClientVer = make([]byte, 3)
+			var u uint64
+			for i, s := range strings.Split(c.MinClientVer, ".") {
+				if i == 3 {
+					return nil, newError(`invalid "minClientVer": `, c.MinClientVer)
+				}
+				if u, err = strconv.ParseUint(s, 10, 8); err != nil {
+					return nil, newError(`"minClientVer[`, i, `]" should be lesser than 256`)
+				} else {
+					config.MinClientVer[i] = byte(u)
+				}
+			}
+		}
+		if c.MaxClientVer != "" {
+			config.MaxClientVer = make([]byte, 3)
+			var u uint64
+			for i, s := range strings.Split(c.MaxClientVer, ".") {
+				if i == 3 {
+					return nil, newError(`invalid "maxClientVer": `, c.MaxClientVer)
+				}
+				if u, err = strconv.ParseUint(s, 10, 8); err != nil {
+					return nil, newError(`"maxClientVer[`, i, `]" should be lesser than 256`)
+				} else {
+					config.MaxClientVer[i] = byte(u)
+				}
+			}
+		}
+		if len(c.ShortIds) == 0 {
+			return nil, newError(`empty "shortIds"`)
+		}
+		config.ShortIds = make([][]byte, len(c.ShortIds))
+		for i, s := range c.ShortIds {
+			config.ShortIds[i] = make([]byte, 8)
+			if _, err = hex.Decode(config.ShortIds[i], []byte(s)); err != nil {
+				return nil, newError(`invalid "shortIds[`, i, `]": `, s)
+			}
+		}
+		config.Dest = s
+		config.Type = c.Type
+		config.Xver = c.Xver
+		config.ServerNames = c.ServerNames
+		config.MaxTimeDiff = c.MaxTimeDiff
+	} else {
+		if c.Fingerprint == "" {
+			return nil, newError(`empty "fingerprint"`)
+		}
+		if config.Fingerprint = strings.ToLower(c.Fingerprint); tls.GetFingerprint(config.Fingerprint) == nil {
+			return nil, newError(`unknown "fingerprint": `, config.Fingerprint)
+		}
+		if config.Fingerprint == "hellogolang" {
+			return nil, newError(`invalid "fingerprint": `, config.Fingerprint)
+		}
+		if len(c.ServerNames) != 0 {
+			return nil, newError(`non-empty "serverNames", please use "serverName" instead`)
+		}
+		if c.PublicKey == "" {
+			return nil, newError(`empty "publicKey"`)
+		}
+		if config.PublicKey, err = base64.RawURLEncoding.DecodeString(c.PublicKey); err != nil || len(config.PublicKey) != 32 {
+			return nil, newError(`invalid "publicKey": `, c.PublicKey)
+		}
+		if len(c.ShortIds) != 0 {
+			return nil, newError(`non-empty "shortIds", please use "shortId" instead`)
+		}
+		config.ShortId = make([]byte, 8)
+		if _, err = hex.Decode(config.ShortId, []byte(c.ShortId)); err != nil {
+			return nil, newError(`invalid "shortId": `, c.ShortId)
+		}
+		if c.SpiderX == "" {
+			c.SpiderX = "/"
+		}
+		if c.SpiderX[0] != '/' {
+			return nil, newError(`invalid "spiderX": `, c.SpiderX)
+		}
+		config.SpiderY = make([]int64, 10)
+		u, _ := url.Parse(c.SpiderX)
+		q := u.Query()
+		parse := func(param string, index int) {
+			if q.Get(param) != "" {
+				s := strings.Split(q.Get(param), "-")
+				if len(s) == 1 {
+					config.SpiderY[index], _ = strconv.ParseInt(s[0], 10, 64)
+					config.SpiderY[index+1], _ = strconv.ParseInt(s[0], 10, 64)
+				} else {
+					config.SpiderY[index], _ = strconv.ParseInt(s[0], 10, 64)
+					config.SpiderY[index+1], _ = strconv.ParseInt(s[1], 10, 64)
+				}
+			}
+			q.Del(param)
+		}
+		parse("p", 0) // padding
+		parse("c", 2) // concurrency
+		parse("t", 4) // times
+		parse("i", 6) // interval
+		parse("r", 8) // return
+		u.RawQuery = q.Encode()
+		config.SpiderX = u.String()
+		config.ServerName = c.ServerName
 	}
-
 	return config, nil
 }

@@ -533,7 +615,10 @@ type SocketConfig struct {
 	DialerProxy          string      `json:"dialerProxy"`
 	TCPKeepAliveInterval int32       `json:"tcpKeepAliveInterval"`
 	TCPKeepAliveIdle     int32       `json:"tcpKeepAliveIdle"`
-        TCPCongestion        string      `json:"tcpCongestion"`
+	TCPCongestion        string      `json:"tcpCongestion"`
+	TCPWindowClamp       int32	 `json:"tcpWindowClamp"`
+	V6only               bool        `json:"v6only"`
+	Interface            string      `json:"interface"`
 }

 // Build implements Buildable.
@@ -582,24 +667,27 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		DialerProxy:          c.DialerProxy,
 		TcpKeepAliveInterval: c.TCPKeepAliveInterval,
 		TcpKeepAliveIdle:     c.TCPKeepAliveIdle,
-                TcpCongestion:        c.TCPCongestion,
+		TcpCongestion:        c.TCPCongestion,
+		TcpWindowClamp:	      c.TCPWindowClamp,
+		V6Only:               c.V6only,
+		Interface:            c.Interface,
 	}, nil
 }

 type StreamConfig struct {
-	Network        *TransportProtocol  `json:"network"`
-	Security       string              `json:"security"`
-	TLSSettings    *TLSConfig          `json:"tlsSettings"`
-	XTLSSettings   *XTLSConfig         `json:"xtlsSettings"`
-	TCPSettings    *TCPConfig          `json:"tcpSettings"`
-	KCPSettings    *KCPConfig          `json:"kcpSettings"`
-	WSSettings     *WebSocketConfig    `json:"wsSettings"`
-	HTTPSettings   *HTTPConfig         `json:"httpSettings"`
-	DSSettings     *DomainSocketConfig `json:"dsSettings"`
-	QUICSettings   *QUICConfig         `json:"quicSettings"`
-	SocketSettings *SocketConfig       `json:"sockopt"`
-	GRPCConfig     *GRPCConfig         `json:"grpcSettings"`
-	GUNConfig      *GRPCConfig         `json:"gunSettings"`
+	Network         *TransportProtocol  `json:"network"`
+	Security        string              `json:"security"`
+	TLSSettings     *TLSConfig          `json:"tlsSettings"`
+	REALITYSettings *REALITYConfig      `json:"realitySettings"`
+	TCPSettings     *TCPConfig          `json:"tcpSettings"`
+	KCPSettings     *KCPConfig          `json:"kcpSettings"`
+	WSSettings      *WebSocketConfig    `json:"wsSettings"`
+	HTTPSettings    *HTTPConfig         `json:"httpSettings"`
+	DSSettings      *DomainSocketConfig `json:"dsSettings"`
+	QUICSettings    *QUICConfig         `json:"quicSettings"`
+	SocketSettings  *SocketConfig       `json:"sockopt"`
+	GRPCConfig      *GRPCConfig         `json:"grpcSettings"`
+	GUNConfig       *GRPCConfig         `json:"gunSettings"`
 }

 // Build implements Buildable.
@@ -614,12 +702,11 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
 		}
 		config.ProtocolName = protocol
 	}
-	if strings.EqualFold(c.Security, "tls") {
+	switch strings.ToLower(c.Security) {
+	case "", "none":
+	case "tls":
 		tlsSettings := c.TLSSettings
 		if tlsSettings == nil {
-			if c.XTLSSettings != nil {
-				return nil, newError(`TLS: Please use "tlsSettings" instead of "xtlsSettings".`)
-			}
 			tlsSettings = &TLSConfig{}
 		}
 		ts, err := tlsSettings.Build()
@@ -629,25 +716,24 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
 		tm := serial.ToTypedMessage(ts)
 		config.SecuritySettings = append(config.SecuritySettings, tm)
 		config.SecurityType = tm.Type
-	}
-	if strings.EqualFold(c.Security, "xtls") {
-		if config.ProtocolName != "tcp" && config.ProtocolName != "mkcp" && config.ProtocolName != "domainsocket" {
-			return nil, newError("XTLS only supports TCP, mKCP and DomainSocket for now.")
+	case "reality":
+		if config.ProtocolName != "tcp" && config.ProtocolName != "http" && config.ProtocolName != "grpc" && config.ProtocolName != "domainsocket" {
+			return nil, newError("REALITY only supports TCP, H2, gRPC and DomainSocket for now.")
 		}
-		xtlsSettings := c.XTLSSettings
-		if xtlsSettings == nil {
-			if c.TLSSettings != nil {
-				return nil, newError(`XTLS: Please use "xtlsSettings" instead of "tlsSettings".`)
-			}
-			xtlsSettings = &XTLSConfig{}
+		if c.REALITYSettings == nil {
+			return nil, newError(`REALITY: Empty "realitySettings".`)
 		}
-		ts, err := xtlsSettings.Build()
+		ts, err := c.REALITYSettings.Build()
 		if err != nil {
-			return nil, newError("Failed to build XTLS config.").Base(err)
+			return nil, newError("Failed to build REALITY config.").Base(err)
 		}
 		tm := serial.ToTypedMessage(ts)
 		config.SecuritySettings = append(config.SecuritySettings, tm)
 		config.SecurityType = tm.Type
+	case "xtls":
+		return nil, newError(`Please use VLESS flow "xtls-rprx-vision" with TLS or REALITY.`)
+	default:
+		return nil, newError(`Unknown security "` + c.Security + `".`)
 	}
 	if c.TCPSettings != nil {
 		ts, err := c.TCPSettings.Build()
--- a/infra/conf/trojan.go
+++ b/infra/conf/trojan.go
@@ -53,11 +53,7 @@ func (c *TrojanClientConfig) Build() (proto.Message, error) {
 		}

 		switch account.Flow {
-		case "", "xtls-rprx-origin", "xtls-rprx-origin-udp443", "xtls-rprx-direct", "xtls-rprx-direct-udp443":
-		case "xtls-rprx-splice", "xtls-rprx-splice-udp443":
-			if runtime.GOOS != "linux" && runtime.GOOS != "android" {
-				return nil, newError(`Trojan servers: "` + account.Flow + `" only support linux in this version`)
-			}
+		case "":
 		default:
 			return nil, newError(`Trojan servers: "flow" doesn't support "` + account.Flow + `" in this version`)
 		}
@@ -119,9 +115,7 @@ func (c *TrojanServerConfig) Build() (proto.Message, error) {
 		}

 		switch account.Flow {
-		case "", "xtls-rprx-origin", "xtls-rprx-direct":
-		case "xtls-rprx-splice":
-			return nil, newError(`Trojan clients: inbound doesn't support "xtls-rprx-splice" in this version, please use "xtls-rprx-direct" instead`)
+		case "":
 		default:
 			return nil, newError(`Trojan clients: "flow" doesn't support "` + account.Flow + `" in this version`)
 		}
--- a/infra/conf/vless.go
+++ b/infra/conf/vless.go
@@ -53,9 +53,7 @@ func (c *VLessInboundConfig) Build() (proto.Message, error) {
 		account.Id = u.String()

 		switch account.Flow {
-		case "", vless.XRO, vless.XRD, vless.XRV:
-		case vless.XRS:
-			return nil, newError(`VLESS clients: inbound doesn't support "xtls-rprx-splice" in this version, please use "xtls-rprx-direct" instead`)
+		case "", vless.XRV:
 		default:
 			return nil, newError(`VLESS clients: "flow" doesn't support "` + account.Flow + `" in this version`)
 		}
@@ -182,11 +180,7 @@ func (c *VLessOutboundConfig) Build() (proto.Message, error) {
 			account.Id = u.String()

 			switch account.Flow {
-			case "", vless.XRO, vless.XRO + "-udp443", vless.XRD, vless.XRD + "-udp443", vless.XRV, vless.XRV + "-udp443":
-			case vless.XRS, vless.XRS + "-udp443":
-				if runtime.GOOS != "linux" && runtime.GOOS != "android" {
-					return nil, newError(`VLESS users: "` + account.Flow + `" only support linux in this version`)
-				}
+			case "", vless.XRV, vless.XRV + "-udp443":
 			default:
 				return nil, newError(`VLESS users: "flow" doesn't support "` + account.Flow + `" in this version`)
 			}
--- a/infra/conf/vless_test.go
+++ b/infra/conf/vless_test.go
@@ -26,7 +26,7 @@ func TestVLessOutbound(t *testing.T) {
 					"users": [
 						{
 							"id": "27848739-7e62-4138-9fd3-098a63964b6b",
-							"flow": "xtls-rprx-direct-udp443",
+							"flow": "xtls-rprx-vision-udp443",
 							"encryption": "none",
 							"level": 0
 						}
@@ -47,7 +47,7 @@ func TestVLessOutbound(t *testing.T) {
 							{
 								Account: serial.ToTypedMessage(&vless.Account{
 									Id:         "27848739-7e62-4138-9fd3-098a63964b6b",
-									Flow:       "xtls-rprx-direct-udp443",
+									Flow:       "xtls-rprx-vision-udp443",
 									Encryption: "none",
 								}),
 								Level: 0,
@@ -71,7 +71,7 @@ func TestVLessInbound(t *testing.T) {
 				"clients": [
 					{
 						"id": "27848739-7e62-4138-9fd3-098a63964b6b",
-						"flow": "xtls-rprx-direct",
+						"flow": "xtls-rprx-vision",
 						"level": 0,
 						"email": "love@example.com"
 					}
@@ -98,7 +98,7 @@ func TestVLessInbound(t *testing.T) {
 					{
 						Account: serial.ToTypedMessage(&vless.Account{
 							Id:   "27848739-7e62-4138-9fd3-098a63964b6b",
-							Flow: "xtls-rprx-direct",
+							Flow: "xtls-rprx-vision",
 						}),
 						Level: 0,
 						Email: "love@example.com",
--- a/infra/conf/wireguard.go
+++ b/infra/conf/wireguard.go
@@ -0,0 +1,117 @@
+package conf
+
+import (
+	"encoding/base64"
+	"encoding/hex"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/xtls/xray-core/proxy/wireguard"
+)
+
+type WireGuardPeerConfig struct {
+	PublicKey    string   `json:"publicKey"`
+	PreSharedKey string   `json:"preSharedKey"`
+	Endpoint     string   `json:"endpoint"`
+	KeepAlive    int      `json:"keepAlive"`
+	AllowedIPs   []string `json:"allowedIPs,omitempty"`
+}
+
+func (c *WireGuardPeerConfig) Build() (proto.Message, error) {
+	var err error
+	config := new(wireguard.PeerConfig)
+
+	config.PublicKey, err = parseWireGuardKey(c.PublicKey)
+	if err != nil {
+		return nil, err
+	}
+
+	if c.PreSharedKey != "" {
+		config.PreSharedKey, err = parseWireGuardKey(c.PreSharedKey)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		config.PreSharedKey = "0000000000000000000000000000000000000000000000000000000000000000"
+	}
+
+	config.Endpoint = c.Endpoint
+	// default 0
+	config.KeepAlive = int32(c.KeepAlive)
+	if c.AllowedIPs == nil {
+		config.AllowedIps = []string{"0.0.0.0/0", "::0/0"}
+	} else {
+		config.AllowedIps = c.AllowedIPs
+	}
+
+	return config, nil
+}
+
+type WireGuardConfig struct {
+	SecretKey  string                 `json:"secretKey"`
+	Address    []string               `json:"address"`
+	Peers      []*WireGuardPeerConfig `json:"peers"`
+	MTU        int                    `json:"mtu"`
+	NumWorkers int                    `json:"workers"`
+	Reserved   []byte                 `json:"reserved"`
+}
+
+func (c *WireGuardConfig) Build() (proto.Message, error) {
+	config := new(wireguard.DeviceConfig)
+
+	var err error
+	config.SecretKey, err = parseWireGuardKey(c.SecretKey)
+	if err != nil {
+		return nil, err
+	}
+
+	if c.Address == nil {
+		// bogon ips
+		config.Endpoint = []string{"10.0.0.1", "fd59:7153:2388:b5fd:0000:0000:0000:0001"}
+	} else {
+		config.Endpoint = c.Address
+	}
+
+	if c.Peers != nil {
+		config.Peers = make([]*wireguard.PeerConfig, len(c.Peers))
+		for i, p := range c.Peers {
+			msg, err := p.Build()
+			if err != nil {
+				return nil, err
+			}
+			config.Peers[i] = msg.(*wireguard.PeerConfig)
+		}
+	}
+
+	if c.MTU == 0 {
+		config.Mtu = 1420
+	} else {
+		config.Mtu = int32(c.MTU)
+	}
+	// these a fallback code exists in github.com/nanoda0523/wireguard-go code,
+	// we don't need to process fallback manually
+	config.NumWorkers = int32(c.NumWorkers)
+
+	if len(c.Reserved) != 0 && len(c.Reserved) != 3 {
+		return nil, newError(`"reserved" should be empty or 3 bytes`)
+	}
+	config.Reserved = c.Reserved
+
+	return config, nil
+}
+
+func parseWireGuardKey(str string) (string, error) {
+	if len(str) != 64 {
+		// may in base64 form
+		dat, err := base64.StdEncoding.DecodeString(str)
+		if err != nil {
+			return "", err
+		}
+		if len(dat) != 32 {
+			return "", newError("key should be 32 bytes: " + str)
+		}
+		return hex.EncodeToString(dat), err
+	} else {
+		// already hex form
+		return str, nil
+	}
+}
--- a/infra/conf/wireguard_test.go
+++ b/infra/conf/wireguard_test.go
@@ -0,0 +1,49 @@
+package conf_test
+
+import (
+	"testing"
+
+	. "github.com/xtls/xray-core/infra/conf"
+	"github.com/xtls/xray-core/proxy/wireguard"
+)
+
+func TestWireGuardOutbound(t *testing.T) {
+	creator := func() Buildable {
+		return new(WireGuardConfig)
+	}
+
+	runMultiTestCase(t, []TestCase{
+		{
+			Input: `{
+				"secretKey": "uJv5tZMDltsiYEn+kUwb0Ll/CXWhMkaSCWWhfPEZM3A=",
+				"address": ["10.1.1.1", "fd59:7153:2388:b5fd:0000:0000:1234:0001"],
+				"peers": [
+					{
+						"publicKey": "6e65ce0be17517110c17d77288ad87e7fd5252dcc7d09b95a39d61db03df832a",
+						"endpoint": "127.0.0.1:1234"
+					}
+				],
+				"mtu": 1300,
+				"workers": 2
+			}`,
+			Parser: loadJSON(creator),
+			Output: &wireguard.DeviceConfig{
+				// key converted into hex form
+				SecretKey: "b89bf9b5930396db226049fe914c1bd0b97f0975a13246920965a17cf1193370",
+				Endpoint:  []string{"10.1.1.1", "fd59:7153:2388:b5fd:0000:0000:1234:0001"},
+				Peers: []*wireguard.PeerConfig{
+					{
+						// also can read from hex form directly
+						PublicKey:    "6e65ce0be17517110c17d77288ad87e7fd5252dcc7d09b95a39d61db03df832a",
+						PreSharedKey: "0000000000000000000000000000000000000000000000000000000000000000",
+						Endpoint:     "127.0.0.1:1234",
+						KeepAlive:    0,
+						AllowedIps:   []string{"0.0.0.0/0", "::0/0"},
+					},
+				},
+				Mtu:        1300,
+				NumWorkers: 2,
+			},
+		},
+	})
+}
--- a/infra/conf/xray.go
+++ b/infra/conf/xray.go
@@ -13,7 +13,6 @@ import (
 	"github.com/xtls/xray-core/common/serial"
 	core "github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/transport/internet"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

 var (
@@ -40,6 +39,7 @@ var (
 		"trojan":      func() interface{} { return new(TrojanClientConfig) },
 		"mtproto":     func() interface{} { return new(MTProtoClientConfig) },
 		"dns":         func() interface{} { return new(DNSOutboundConfig) },
+		"wireguard":   func() interface{} { return new(WireGuardConfig) },
 	}, "protocol", "settings")

 	ctllog = log.New(os.Stderr, "xctl> ", 0)
@@ -235,9 +235,6 @@ func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
 		if err != nil {
 			return nil, err
 		}
-		if ss.SecurityType == serial.GetMessageType(&xtls.Config{}) && !strings.EqualFold(c.Protocol, "vless") && !strings.EqualFold(c.Protocol, "trojan") {
-			return nil, newError("XTLS doesn't supports " + c.Protocol + " for now.")
-		}
 		receiverSettings.StreamSettings = ss
 	}
 	if c.SniffingConfig != nil {
@@ -318,9 +315,6 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 		if err != nil {
 			return nil, err
 		}
-		if ss.SecurityType == serial.GetMessageType(&xtls.Config{}) && !strings.EqualFold(c.Protocol, "vless") && !strings.EqualFold(c.Protocol, "trojan") {
-			return nil, newError("XTLS doesn't supports " + c.Protocol + " for now.")
-		}
 		senderSettings.StreamSettings = ss
 	}

@@ -345,15 +339,7 @@ func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
 	}

 	if c.MuxSettings != nil {
-		ms := c.MuxSettings.Build()
-		if ms != nil && ms.Enabled {
-			if ss := senderSettings.StreamSettings; ss != nil {
-				if ss.SecurityType == serial.GetMessageType(&xtls.Config{}) {
-					return nil, newError("XTLS doesn't support Mux for now.")
-				}
-			}
-		}
-		senderSettings.MultiplexSettings = ms
+		senderSettings.MultiplexSettings = c.MuxSettings.Build()
 	}

 	settings := []byte("{}")
--- a/main/commands/all/commands.go
+++ b/main/commands/all/commands.go
@@ -15,5 +15,6 @@ func init() {
 		// cmdConvert,
 		tls.CmdTLS,
 		cmdUUID,
+		cmdX25519,
 	)
 }
--- a/main/commands/all/x25519.go
+++ b/main/commands/all/x25519.go
@@ -0,0 +1,71 @@
+package all
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
+
+	"github.com/xtls/xray-core/main/commands/base"
+	"golang.org/x/crypto/curve25519"
+)
+
+var cmdX25519 = &base.Command{
+	UsageLine: `{{.Exec}} x25519 [-i "private key (base64.RawURLEncoding)"]`,
+	Short:     `Generate key pair for x25519 key exchange`,
+	Long: `
+Generate key pair for x25519 key exchange.
+
+Random: {{.Exec}} x25519
+
+From private key: {{.Exec}} x25519 -i "private key (base64.RawURLEncoding)"
+`,
+}
+
+func init() {
+	cmdX25519.Run = executeX25519 // break init loop
+}
+
+var input_base64 = cmdX25519.Flag.String("i", "", "")
+
+func executeX25519(cmd *base.Command, args []string) {
+	var output string
+	var err error
+	var privateKey []byte
+	var publicKey []byte
+	if len(*input_base64) > 0 {
+		privateKey, err = base64.RawURLEncoding.DecodeString(*input_base64)
+		if err != nil {
+			output = err.Error()
+			goto out
+		}
+		if len(privateKey) != curve25519.ScalarSize {
+			output = "Invalid length of private key."
+			goto out
+		}
+	}
+
+	if privateKey == nil {
+		privateKey = make([]byte, curve25519.ScalarSize)
+		if _, err = rand.Read(privateKey); err != nil {
+			output = err.Error()
+			goto out
+		}
+	}
+
+	// Modify random bytes using algorithm described at:
+	// https://cr.yp.to/ecdh.html.
+	privateKey[0] &= 248
+	privateKey[31] &= 127
+	privateKey[31] |= 64
+
+	if publicKey, err = curve25519.X25519(privateKey, curve25519.Basepoint); err != nil {
+		output = err.Error()
+		goto out
+	}
+
+	output = fmt.Sprintf("Private key: %v\nPublic key: %v",
+		base64.RawURLEncoding.EncodeToString(privateKey),
+		base64.RawURLEncoding.EncodeToString(publicKey))
+out:
+	fmt.Println(output)
+}
--- a/main/distro/all/all.go
+++ b/main/distro/all/all.go
@@ -48,6 +48,7 @@ import (
 	_ "github.com/xtls/xray-core/proxy/vless/outbound"
 	_ "github.com/xtls/xray-core/proxy/vmess/inbound"
 	_ "github.com/xtls/xray-core/proxy/vmess/outbound"
+	_ "github.com/xtls/xray-core/proxy/wireguard"

 	// Transports
 	_ "github.com/xtls/xray-core/transport/internet/domainsocket"
@@ -55,11 +56,11 @@ import (
 	_ "github.com/xtls/xray-core/transport/internet/http"
 	_ "github.com/xtls/xray-core/transport/internet/kcp"
 	_ "github.com/xtls/xray-core/transport/internet/quic"
+	_ "github.com/xtls/xray-core/transport/internet/reality"
 	_ "github.com/xtls/xray-core/transport/internet/tcp"
 	_ "github.com/xtls/xray-core/transport/internet/tls"
 	_ "github.com/xtls/xray-core/transport/internet/udp"
 	_ "github.com/xtls/xray-core/transport/internet/websocket"
-	_ "github.com/xtls/xray-core/transport/internet/xtls"

 	// Transport headers
 	_ "github.com/xtls/xray-core/transport/internet/headers/http"
--- a/proxy/blackhole/config.pb.go
+++ b/proxy/blackhole/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/blackhole/config.proto

 package blackhole
--- a/proxy/dns/config.pb.go
+++ b/proxy/dns/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/dns/config.proto

 package dns
--- a/proxy/dokodemo/config.pb.go
+++ b/proxy/dokodemo/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/dokodemo/config.proto

 package dokodemo
--- a/proxy/freedom/config.pb.go
+++ b/proxy/freedom/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/freedom/config.proto

 package freedom
--- a/proxy/http/client.go
+++ b/proxy/http/client.go
@@ -2,12 +2,14 @@ package http

 import (
 	"bufio"
+	"bytes"
 	"context"
 	"encoding/base64"
 	"io"
 	"net/http"
 	"net/url"
 	"sync"
+	"text/template"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
@@ -30,6 +32,7 @@ import (
 type Client struct {
 	serverPicker  protocol.ServerPicker
 	policyManager policy.Manager
+	header        []*Header
 }

 type h2Conn struct {
@@ -60,6 +63,7 @@ func NewClient(ctx context.Context, config *ClientConfig) (*Client, error) {
 	return &Client{
 		serverPicker:  protocol.NewRoundRobinServerPicker(serverList),
 		policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
+		header:        config.Header,
 	}, nil
 }

@@ -88,12 +92,17 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 	buf.ReleaseMulti(mbuf)
 	defer bytespool.Free(firstPayload)

+	header, err := fillRequestHeader(ctx, c.header)
+	if err != nil {
+		return newError("failed to fill out header").Base(err)
+	}
+
 	if err := retry.ExponentialBackoff(5, 100).On(func() error {
 		server := c.serverPicker.PickServer()
 		dest := server.Destination()
 		user = server.PickUser()

-		netConn, err := setUpHTTPTunnel(ctx, dest, targetAddr, user, dialer, firstPayload)
+		netConn, err := setUpHTTPTunnel(ctx, dest, targetAddr, user, dialer, header, firstPayload)
 		if netConn != nil {
 			if _, ok := netConn.(*http2Conn); !ok {
 				if _, err := netConn.Write(firstPayload); err != nil {
@@ -139,8 +148,42 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 	return nil
 }

+// fillRequestHeader will fill out the template of the headers
+func fillRequestHeader(ctx context.Context, header []*Header) ([]*Header, error) {
+	if len(header) == 0 {
+		return header, nil
+	}
+
+	inbound := session.InboundFromContext(ctx)
+	outbound := session.OutboundFromContext(ctx)
+
+	data := struct {
+		Source net.Destination
+		Target net.Destination
+	}{
+		Source: inbound.Source,
+		Target: outbound.Target,
+	}
+
+	filled := make([]*Header, len(header))
+	for i, h := range header {
+		tmpl, err := template.New(h.Key).Parse(h.Value)
+		if err != nil {
+			return nil, err
+		}
+		var buf bytes.Buffer
+
+		if err = tmpl.Execute(&buf, data); err != nil {
+			return nil, err
+		}
+		filled[i] = &Header{Key: h.Key, Value: buf.String()}
+	}
+
+	return filled, nil
+}
+
 // setUpHTTPTunnel will create a socket tunnel via HTTP CONNECT method
-func setUpHTTPTunnel(ctx context.Context, dest net.Destination, target string, user *protocol.MemoryUser, dialer internet.Dialer, firstPayload []byte) (net.Conn, error) {
+func setUpHTTPTunnel(ctx context.Context, dest net.Destination, target string, user *protocol.MemoryUser, dialer internet.Dialer, header []*Header, firstPayload []byte) (net.Conn, error) {
 	req := &http.Request{
 		Method: http.MethodConnect,
 		URL:    &url.URL{Host: target},
@@ -154,6 +197,10 @@ func setUpHTTPTunnel(ctx context.Context, dest net.Destination, target string, u
 		req.Header.Set("Proxy-Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(auth)))
 	}

+	for _, h := range header {
+		req.Header.Set(h.Key, h.Value)
+	}
+
 	connectHTTP1 := func(rawConn net.Conn) (net.Conn, error) {
 		req.Header.Set("Proxy-Connection", "Keep-Alive")

--- a/proxy/http/config.pb.go
+++ b/proxy/http/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/http/config.proto

 package http
@@ -150,6 +150,61 @@ func (x *ServerConfig) GetUserLevel() uint32 {
 	return 0
 }

+type Header struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value string `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *Header) Reset() {
+	*x = Header{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_http_config_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Header) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Header) ProtoMessage() {}
+
+func (x *Header) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_http_config_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Header.ProtoReflect.Descriptor instead.
+func (*Header) Descriptor() ([]byte, []int) {
+	return file_proxy_http_config_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Header) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *Header) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
 // ClientConfig is the protobuf config for HTTP proxy client.
 type ClientConfig struct {
 	state         protoimpl.MessageState
@@ -158,12 +213,13 @@ type ClientConfig struct {

 	// Sever is a list of HTTP server addresses.
 	Server []*protocol.ServerEndpoint `protobuf:"bytes,1,rep,name=server,proto3" json:"server,omitempty"`
+	Header []*Header                  `protobuf:"bytes,2,rep,name=header,proto3" json:"header,omitempty"`
 }

 func (x *ClientConfig) Reset() {
 	*x = ClientConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proxy_http_config_proto_msgTypes[2]
+		mi := &file_proxy_http_config_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -176,7 +232,7 @@ func (x *ClientConfig) String() string {
 func (*ClientConfig) ProtoMessage() {}

 func (x *ClientConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_proxy_http_config_proto_msgTypes[2]
+	mi := &file_proxy_http_config_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -189,7 +245,7 @@ func (x *ClientConfig) ProtoReflect() protoreflect.Message {

 // Deprecated: Use ClientConfig.ProtoReflect.Descriptor instead.
 func (*ClientConfig) Descriptor() ([]byte, []int) {
-	return file_proxy_http_config_proto_rawDescGZIP(), []int{2}
+	return file_proxy_http_config_proto_rawDescGZIP(), []int{3}
 }

 func (x *ClientConfig) GetServer() []*protocol.ServerEndpoint {
@@ -199,6 +255,13 @@ func (x *ClientConfig) GetServer() []*protocol.ServerEndpoint {
 	return nil
 }

+func (x *ClientConfig) GetHeader() []*Header {
+	if x != nil {
+		return x.Header
+	}
+	return nil
+}
+
 var File_proxy_http_config_proto protoreflect.FileDescriptor

 var file_proxy_http_config_proto_rawDesc = []byte{
@@ -227,17 +290,23 @@ var file_proxy_http_config_proto_rawDesc = []byte{
 	0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
 	0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38,
-	0x01, 0x22, 0x4c, 0x0a, 0x0c, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69,
-	0x67, 0x12, 0x3c, 0x0a, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x18, 0x01, 0x20, 0x03, 0x28,
-	0x0b, 0x32, 0x24, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x2e, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x45,
-	0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x52, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x42,
-	0x4f, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78,
-	0x79, 0x2e, 0x68, 0x74, 0x74, 0x70, 0x50, 0x01, 0x5a, 0x24, 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, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x68, 0x74, 0x74, 0x70, 0xaa, 0x02,
-	0x0f, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x48, 0x74, 0x74, 0x70,
-	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x01, 0x22, 0x30, 0x0a, 0x06, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x10, 0x0a, 0x03, 0x6b,
+	0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a,
+	0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61,
+	0x6c, 0x75, 0x65, 0x22, 0x7d, 0x0a, 0x0c, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x43, 0x6f, 0x6e,
+	0x66, 0x69, 0x67, 0x12, 0x3c, 0x0a, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x18, 0x01, 0x20,
+	0x03, 0x28, 0x0b, 0x32, 0x24, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f,
+	0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x2e, 0x53, 0x65, 0x72, 0x76, 0x65,
+	0x72, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x52, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65,
+	0x72, 0x12, 0x2f, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x02, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x17, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x68,
+	0x74, 0x74, 0x70, 0x2e, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x52, 0x06, 0x68, 0x65, 0x61, 0x64,
+	0x65, 0x72, 0x42, 0x4f, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70,
+	0x72, 0x6f, 0x78, 0x79, 0x2e, 0x68, 0x74, 0x74, 0x70, 0x50, 0x01, 0x5a, 0x24, 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, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x68, 0x74, 0x74,
+	0x70, 0xaa, 0x02, 0x0f, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x48,
+	0x74, 0x74, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
@@ -252,22 +321,24 @@ func file_proxy_http_config_proto_rawDescGZIP() []byte {
 	return file_proxy_http_config_proto_rawDescData
 }

-var file_proxy_http_config_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_proxy_http_config_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
 var file_proxy_http_config_proto_goTypes = []interface{}{
 	(*Account)(nil),                 // 0: xray.proxy.http.Account
 	(*ServerConfig)(nil),            // 1: xray.proxy.http.ServerConfig
-	(*ClientConfig)(nil),            // 2: xray.proxy.http.ClientConfig
-	nil,                             // 3: xray.proxy.http.ServerConfig.AccountsEntry
-	(*protocol.ServerEndpoint)(nil), // 4: xray.common.protocol.ServerEndpoint
+	(*Header)(nil),                  // 2: xray.proxy.http.Header
+	(*ClientConfig)(nil),            // 3: xray.proxy.http.ClientConfig
+	nil,                             // 4: xray.proxy.http.ServerConfig.AccountsEntry
+	(*protocol.ServerEndpoint)(nil), // 5: xray.common.protocol.ServerEndpoint
 }
 var file_proxy_http_config_proto_depIdxs = []int32{
-	3, // 0: xray.proxy.http.ServerConfig.accounts:type_name -> xray.proxy.http.ServerConfig.AccountsEntry
-	4, // 1: xray.proxy.http.ClientConfig.server:type_name -> xray.common.protocol.ServerEndpoint
-	2, // [2:2] is the sub-list for method output_type
-	2, // [2:2] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	4, // 0: xray.proxy.http.ServerConfig.accounts:type_name -> xray.proxy.http.ServerConfig.AccountsEntry
+	5, // 1: xray.proxy.http.ClientConfig.server:type_name -> xray.common.protocol.ServerEndpoint
+	2, // 2: xray.proxy.http.ClientConfig.header:type_name -> xray.proxy.http.Header
+	3, // [3:3] is the sub-list for method output_type
+	3, // [3:3] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }

 func init() { file_proxy_http_config_proto_init() }
@@ -301,6 +372,18 @@ func file_proxy_http_config_proto_init() {
 			}
 		}
 		file_proxy_http_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Header); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proxy_http_config_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ClientConfig); i {
 			case 0:
 				return &v.state
@@ -319,7 +402,7 @@ func file_proxy_http_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proxy_http_config_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   4,
+			NumMessages:   5,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
--- a/proxy/http/config.proto
+++ b/proxy/http/config.proto
@@ -21,8 +21,14 @@ message ServerConfig {
  uint32 user_level = 4;
 }

+message Header {
+  string key = 1;
+  string value = 2;
+}
+
 // ClientConfig is the protobuf config for HTTP proxy client.
 message ClientConfig {
  // Sever is a list of HTTP server addresses.
  repeated xray.common.protocol.ServerEndpoint server = 1;
+  repeated Header header = 2;
 }
--- a/proxy/loopback/config.pb.go
+++ b/proxy/loopback/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/loopback/config.proto

 package loopback
--- a/proxy/mtproto/config.pb.go
+++ b/proxy/mtproto/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/mtproto/config.proto

 package mtproto
--- a/proxy/shadowsocks/config.pb.go
+++ b/proxy/shadowsocks/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/shadowsocks/config.proto

 package shadowsocks
--- a/proxy/shadowsocks_2022/config.go
+++ b/proxy/shadowsocks_2022/config.go
@@ -0,0 +1,29 @@
+package shadowsocks_2022
+
+import (
+	"github.com/xtls/xray-core/common/protocol"
+)
+
+// MemoryAccount is an account type converted from Account.
+type MemoryAccount struct {
+	Key   string
+	Email string
+	Level int32
+}
+
+// AsAccount implements protocol.AsAccount.
+func (u *User) AsAccount() (protocol.Account, error) {
+	return &MemoryAccount{
+		Key:   u.GetKey(),
+		Email: u.GetEmail(),
+		Level: u.GetLevel(),
+	}, nil
+}
+
+// Equals implements protocol.Account.Equals().
+func (a *MemoryAccount) Equals(another protocol.Account) bool {
+	if account, ok := another.(*MemoryAccount); ok {
+		return a.Key == account.Key
+	}
+	return false
+}
--- a/proxy/shadowsocks_2022/config.pb.go
+++ b/proxy/shadowsocks_2022/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/shadowsocks_2022/config.proto

 package shadowsocks_2022
--- a/proxy/shadowsocks_2022/inbound_multi.go
+++ b/proxy/shadowsocks_2022/inbound_multi.go
@@ -4,6 +4,8 @@ import (
 	"context"
 	"encoding/base64"
 	"strconv"
+	"strings"
+	"sync"

 	"github.com/sagernet/sing-shadowsocks/shadowaead_2022"
 	C "github.com/sagernet/sing/common"
@@ -31,6 +33,7 @@ func init() {
 }

 type MultiUserInbound struct {
+	sync.Mutex
 	networks []net.Network
 	users    []*User
 	service  *shadowaead_2022.MultiService[int]
@@ -78,6 +81,72 @@ func NewMultiServer(ctx context.Context, config *MultiUserServerConfig) (*MultiU
 	return inbound, nil
 }

+// AddUser implements proxy.UserManager.AddUser().
+func (i *MultiUserInbound) AddUser(ctx context.Context, u *protocol.MemoryUser) error {
+	i.Lock()
+	defer i.Unlock()
+
+	account := u.Account.(*MemoryAccount)
+	if account.Email != "" {
+		for idx := range i.users {
+			if i.users[idx].Email == account.Email {
+				return newError("User ", account.Email, " already exists.")
+			}
+		}
+	}
+	i.users = append(i.users, &User{
+		Key:   account.Key,
+		Email: account.Email,
+		Level: account.Level,
+	})
+
+	// sync to multi service
+	// Considering implements shadowsocks2022 in xray-core may have better performance.
+	i.service.UpdateUsersWithPasswords(
+		C.MapIndexed(i.users, func(index int, it *User) int { return index }),
+		C.Map(i.users, func(it *User) string { return it.Key }),
+	)
+
+	return nil
+}
+
+// RemoveUser implements proxy.UserManager.RemoveUser().
+func (i *MultiUserInbound) RemoveUser(ctx context.Context, email string) error {
+	if email == "" {
+		return newError("Email must not be empty.")
+	}
+
+	i.Lock()
+	defer i.Unlock()
+
+	idx := -1
+	for ii, u := range i.users {
+		if strings.EqualFold(u.Email, email) {
+			idx = ii
+			break
+		}
+	}
+
+	if idx == -1 {
+		return newError("User ", email, " not found.")
+	}
+
+	ulen := len(i.users)
+
+	i.users[idx] = i.users[ulen-1]
+	i.users[ulen-1] = nil
+	i.users = i.users[:ulen-1]
+
+	// sync to multi service
+	// Considering implements shadowsocks2022 in xray-core may have better performance.
+	i.service.UpdateUsersWithPasswords(
+		C.MapIndexed(i.users, func(index int, it *User) int { return index }),
+		C.Map(i.users, func(it *User) string { return it.Key }),
+	)
+
+	return nil
+}
+
 func (i *MultiUserInbound) Network() []net.Network {
 	return i.networks
 }
--- a/proxy/socks/config.pb.go
+++ b/proxy/socks/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/socks/config.proto

 package socks
--- a/proxy/trojan/client.go
+++ b/proxy/trojan/client.go
@@ -2,14 +2,12 @@ package trojan

 import (
 	"context"
-	"syscall"
 	"time"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/retry"
 	"github.com/xtls/xray-core/common/session"
@@ -17,11 +15,9 @@ import (
 	"github.com/xtls/xray-core/common/task"
 	core "github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/policy"
-	"github.com/xtls/xray-core/features/stats"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
 	"github.com/xtls/xray-core/transport/internet/stat"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

 // Client is a inbound handler for trojan protocol
@@ -97,49 +93,6 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 		Flow: account.Flow,
 	}

-	var rawConn syscall.RawConn
-	var sctx context.Context
-
-	allowUDP443 := false
-	switch connWriter.Flow {
-	case XRO + "-udp443", XRD + "-udp443", XRS + "-udp443":
-		allowUDP443 = true
-		connWriter.Flow = connWriter.Flow[:16]
-		fallthrough
-	case XRO, XRD, XRS:
-		if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress {
-			return newError(connWriter.Flow + " doesn't support Mux").AtWarning()
-		}
-		if destination.Network == net.Network_UDP {
-			if !allowUDP443 && destination.Port == 443 {
-				return newError(connWriter.Flow + " stopped UDP/443").AtInfo()
-			}
-			connWriter.Flow = ""
-		} else { // enable XTLS only if making TCP request
-			if xtlsConn, ok := iConn.(*xtls.Conn); ok {
-				xtlsConn.RPRX = true
-				xtlsConn.SHOW = xtls_show
-				xtlsConn.MARK = "XTLS"
-				if connWriter.Flow == XRS {
-					sctx = ctx
-					connWriter.Flow = XRD
-				}
-				if connWriter.Flow == XRD {
-					xtlsConn.DirectMode = true
-					if sc, ok := xtlsConn.NetConn().(syscall.Conn); ok {
-						rawConn, _ = sc.SyscallConn()
-					}
-				}
-			} else {
-				return newError(`failed to use ` + connWriter.Flow + `, maybe "security" is not "xtls"`).AtWarning()
-			}
-		}
-	default:
-		if _, ok := iConn.(*xtls.Conn); ok {
-			panic(`To avoid misunderstanding, you must fill in Trojan "flow" when using XTLS.`)
-		}
-	}
-
 	sessionPolicy := c.policyManager.ForLevel(user.Level)
 	ctx, cancel := context.WithCancel(ctx)
 	timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
@@ -193,13 +146,6 @@ func (c *Client) Process(ctx context.Context, link *transport.Link, dialer inter
 		} else {
 			reader = buf.NewReader(conn)
 		}
-		if rawConn != nil {
-			var counter stats.Counter
-			if statConn != nil {
-				counter = statConn.ReadCounter
-			}
-			return ReadV(reader, link.Writer, timer, iConn.(*xtls.Conn), rawConn, counter, sctx)
-		}
 		return buf.Copy(reader, link.Writer, buf.UpdateActivity(timer))
 	}

@@ -215,11 +161,4 @@ func init() {
 	common.Must(common.RegisterConfig((*ClientConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		return NewClient(ctx, config.(*ClientConfig))
 	}))
-
-	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
-
-	xtlsShow := platform.NewEnvFlag("xray.trojan.xtls.show").GetValue(func() string { return defaultFlagValue })
-	if xtlsShow == "true" {
-		xtls_show = true
-	}
 }
--- a/proxy/trojan/config.pb.go
+++ b/proxy/trojan/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/trojan/config.proto

 package trojan
--- a/proxy/trojan/protocol.go
+++ b/proxy/trojan/protocol.go
@@ -1,22 +1,12 @@
 package trojan

 import (
-	"context"
 	"encoding/binary"
-	fmt "fmt"
 	"io"
-	"runtime"
-	"syscall"

 	"github.com/xtls/xray-core/common/buf"
-	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
-	"github.com/xtls/xray-core/common/session"
-	"github.com/xtls/xray-core/common/signal"
-	"github.com/xtls/xray-core/features/stats"
-	"github.com/xtls/xray-core/transport/internet/stat"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

 var (
@@ -27,25 +17,13 @@ var (
 		protocol.AddressFamilyByte(0x04, net.AddressFamilyIPv6),
 		protocol.AddressFamilyByte(0x03, net.AddressFamilyDomain),
 	)
-
-	xtls_show = false
 )

 const (
 	maxLength = 8192
-	// XRS is constant for XTLS splice mode
-	XRS = "xtls-rprx-splice"
-	// XRD is constant for XTLS direct mode
-	XRD = "xtls-rprx-direct"
-	// XRO is constant for XTLS origin mode
-	XRO = "xtls-rprx-origin"

 	commandTCP byte = 1
 	commandUDP byte = 3
-
-	// for XTLS
-	commandXRD byte = 0xf0 // XTLS direct mode
-	commandXRO byte = 0xf1 // XTLS origin mode
 )

 // ConnWriter is TCP Connection Writer Wrapper for trojan protocol
@@ -90,10 +68,6 @@ func (c *ConnWriter) writeHeader() error {
 	command := commandTCP
 	if c.Target.Network == net.Network_UDP {
 		command = commandUDP
-	} else if c.Flow == XRD {
-		command = commandXRD
-	} else if c.Flow == XRO {
-		command = commandXRO
 	}

 	if _, err := buffer.Write(c.Account.Key); err != nil {
@@ -201,10 +175,6 @@ func (c *ConnReader) ParseHeader() error {
 	network := net.Network_TCP
 	if command[0] == commandUDP {
 		network = net.Network_UDP
-	} else if command[0] == commandXRD {
-		c.Flow = XRD
-	} else if command[0] == commandXRO {
-		c.Flow = XRO
 	}

 	addr, port, err := addrParser.ReadAddressPort(nil, c.Reader)
@@ -288,66 +258,3 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {

 	return mb, nil
 }
-
-func ReadV(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn *xtls.Conn, rawConn syscall.RawConn, counter stats.Counter, sctx context.Context) error {
-	err := func() error {
-		var ct stats.Counter
-		for {
-			if conn.DirectIn {
-				conn.DirectIn = false
-				if sctx != nil {
-					if inbound := session.InboundFromContext(sctx); inbound != nil && inbound.Conn != nil {
-						iConn := inbound.Conn
-						statConn, ok := iConn.(*stat.CounterConnection)
-						if ok {
-							iConn = statConn.Connection
-						}
-						if xc, ok := iConn.(*xtls.Conn); ok {
-							iConn = xc.NetConn()
-						}
-						if tc, ok := iConn.(*net.TCPConn); ok {
-							if conn.SHOW {
-								fmt.Println(conn.MARK, "Splice")
-							}
-							runtime.Gosched() // necessary
-							w, err := tc.ReadFrom(conn.NetConn())
-							if counter != nil {
-								counter.Add(w)
-							}
-							if statConn != nil && statConn.WriteCounter != nil {
-								statConn.WriteCounter.Add(w)
-							}
-							return err
-						} else {
-							panic("XTLS Splice: not TCP inbound")
-						}
-					} else {
-						// panic("XTLS Splice: nil inbound or nil inbound.Conn")
-					}
-				}
-				reader = buf.NewReadVReader(conn.NetConn(), rawConn, nil)
-				ct = counter
-				if conn.SHOW {
-					fmt.Println(conn.MARK, "ReadV")
-				}
-			}
-			buffer, err := reader.ReadMultiBuffer()
-			if !buffer.IsEmpty() {
-				if ct != nil {
-					ct.Add(int64(buffer.Len()))
-				}
-				timer.Update()
-				if werr := writer.WriteMultiBuffer(buffer); werr != nil {
-					return werr
-				}
-			}
-			if err != nil {
-				return err
-			}
-		}
-	}()
-	if err != nil && errors.Cause(err) != io.EOF {
-		return err
-	}
-	return nil
-}
--- a/proxy/trojan/server.go
+++ b/proxy/trojan/server.go
@@ -5,7 +5,6 @@ import (
 	"io"
 	"strconv"
 	"strings"
-	"syscall"
 	"time"

 	"github.com/xtls/xray-core/common"
@@ -13,7 +12,6 @@ import (
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/protocol"
 	udp_proto "github.com/xtls/xray-core/common/protocol/udp"
 	"github.com/xtls/xray-core/common/retry"
@@ -23,24 +21,16 @@ import (
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/policy"
 	"github.com/xtls/xray-core/features/routing"
-	"github.com/xtls/xray-core/features/stats"
+	"github.com/xtls/xray-core/transport/internet/reality"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
 	"github.com/xtls/xray-core/transport/internet/udp"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

 func init() {
 	common.Must(common.RegisterConfig((*ServerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		return NewServer(ctx, config.(*ServerConfig))
 	}))
-
-	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
-
-	xtlsShow := platform.NewEnvFlag("xray.trojan.xtls.show").GetValue(func() string { return defaultFlagValue })
-	if xtlsShow == "true" {
-		xtls_show = true
-	}
 }

 // Server is an inbound connection handler that handles messages in trojan protocol.
@@ -155,9 +145,8 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Con
 		return newError("unable to set read deadline").Base(err).AtWarning()
 	}

-	first := buf.New()
-	defer first.Release()
-
+	first := buf.FromBytes(make([]byte, buf.Size))
+	first.Clear()
 	firstLen, err := first.ReadFrom(conn)
 	if err != nil {
 		return newError("failed to read first request").Base(err)
@@ -235,39 +224,6 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Con
 		return s.handleUDPPayload(ctx, &PacketReader{Reader: clientReader}, &PacketWriter{Writer: conn}, dispatcher)
 	}

-	// handle tcp request
-	account, ok := user.Account.(*MemoryAccount)
-	if !ok {
-		return newError("user account is not valid")
-	}
-
-	var rawConn syscall.RawConn
-
-	switch clientReader.Flow {
-	case XRO, XRD:
-		if account.Flow == clientReader.Flow {
-			if destination.Address.Family().IsDomain() && destination.Address.Domain() == muxCoolAddress {
-				return newError(clientReader.Flow + " doesn't support Mux").AtWarning()
-			}
-			if xtlsConn, ok := iConn.(*xtls.Conn); ok {
-				xtlsConn.RPRX = true
-				xtlsConn.SHOW = xtls_show
-				xtlsConn.MARK = "XTLS"
-				if clientReader.Flow == XRD {
-					xtlsConn.DirectMode = true
-					if sc, ok := xtlsConn.NetConn().(syscall.Conn); ok {
-						rawConn, _ = sc.SyscallConn()
-					}
-				}
-			} else {
-				return newError(`failed to use ` + clientReader.Flow + `, maybe "security" is not "xtls"`).AtWarning()
-			}
-		} else {
-			return newError(account.Password + " is not able to use " + clientReader.Flow).AtWarning()
-		}
-	case "":
-	}
-
 	ctx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
 		From:   conn.RemoteAddr(),
 		To:     destination,
@@ -277,7 +233,7 @@ func (s *Server) Process(ctx context.Context, network net.Network, conn stat.Con
 	})

 	newError("received request for ", destination).WriteToLog(sid)
-	return s.handleConnection(ctx, sessionPolicy, destination, clientReader, buf.NewWriter(conn), dispatcher, iConn, rawConn, statConn)
+	return s.handleConnection(ctx, sessionPolicy, destination, clientReader, buf.NewWriter(conn), dispatcher, iConn, statConn)
 }

 func (s *Server) handleUDPPayload(ctx context.Context, clientReader *PacketReader, clientWriter *PacketWriter, dispatcher routing.Dispatcher) error {
@@ -343,7 +299,7 @@ func (s *Server) handleUDPPayload(ctx context.Context, clientReader *PacketReade
 func (s *Server) handleConnection(ctx context.Context, sessionPolicy policy.Session,
 	destination net.Destination,
 	clientReader buf.Reader,
-	clientWriter buf.Writer, dispatcher routing.Dispatcher, iConn stat.Connection, rawConn syscall.RawConn, statConn *stat.CounterConnection,
+	clientWriter buf.Writer, dispatcher routing.Dispatcher, iConn stat.Connection, statConn *stat.CounterConnection,
 ) error {
 	ctx, cancel := context.WithCancel(ctx)
 	timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
@@ -356,18 +312,7 @@ func (s *Server) handleConnection(ctx context.Context, sessionPolicy policy.Sess

 	requestDone := func() error {
 		defer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)
-
-		var err error
-		if rawConn != nil {
-			var counter stats.Counter
-			if statConn != nil {
-				counter = statConn.ReadCounter
-			}
-			err = ReadV(clientReader, link.Writer, timer, iConn.(*xtls.Conn), rawConn, counter, nil)
-		} else {
-			err = buf.Copy(clientReader, link.Writer, buf.UpdateActivity(timer))
-		}
-		if err != nil {
+		if buf.Copy(clientReader, link.Writer, buf.UpdateActivity(timer)) != nil {
 			return newError("failed to transfer request").Base(err)
 		}
 		return nil
@@ -406,8 +351,8 @@ func (s *Server) fallback(ctx context.Context, sid errors.ExportOption, err erro
 		alpn = cs.NegotiatedProtocol
 		newError("realName = " + name).AtInfo().WriteToLog(sid)
 		newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
-	} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
-		cs := xtlsConn.ConnectionState()
+	} else if realityConn, ok := iConn.(*reality.Conn); ok {
+		cs := realityConn.ConnectionState()
 		name = cs.ServerName
 		alpn = cs.NegotiatedProtocol
 		newError("realName = " + name).AtInfo().WriteToLog(sid)
--- a/proxy/vless/account.go
+++ b/proxy/vless/account.go
@@ -22,7 +22,7 @@ func (a *Account) AsAccount() (protocol.Account, error) {
 type MemoryAccount struct {
 	// ID of the account.
 	ID *protocol.ID
-	// Flow of the account. May be "xtls-rprx-direct".
+	// Flow of the account. May be "xtls-rprx-vision".
 	Flow string
 	// Encryption of the account. Used for client connections, and only accepts "none" for now.
 	Encryption string
--- a/proxy/vless/account.pb.go
+++ b/proxy/vless/account.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vless/account.proto

 package vless
@@ -27,7 +27,7 @@ type Account struct {

 	// ID of the account, in the form of a UUID, e.g., "66ad4540-b58c-4ad2-9926-ea63445a9b57".
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
-	// Flow settings. May be "xtls-rprx-direct".
+	// Flow settings. May be "xtls-rprx-vision".
 	Flow string `protobuf:"bytes,2,opt,name=flow,proto3" json:"flow,omitempty"`
 	// Encryption settings. Only applies to client side, and only accepts "none" for now.
 	Encryption string `protobuf:"bytes,3,opt,name=encryption,proto3" json:"encryption,omitempty"`
--- a/proxy/vless/account.proto
+++ b/proxy/vless/account.proto
@@ -9,7 +9,7 @@ option java_multiple_files = true;
 message Account {
  // ID of the account, in the form of a UUID, e.g., "66ad4540-b58c-4ad2-9926-ea63445a9b57".
  string id = 1;
-  // Flow settings. May be "xtls-rprx-direct".
+  // Flow settings. May be "xtls-rprx-vision".
  string flow = 2;
  // Encryption settings. Only applies to client side, and only accepts "none" for now.
  string encryption = 3;
--- a/proxy/vless/encoding/addons.go
+++ b/proxy/vless/encoding/addons.go
@@ -11,7 +11,7 @@ import (

 func EncodeHeaderAddons(buffer *buf.Buffer, addons *Addons) error {
 	switch addons.Flow {
-	case vless.XRO, vless.XRD, vless.XRV:
+	case vless.XRV:
 		bytes, err := proto.Marshal(addons)
 		if err != nil {
 			return newError("failed to marshal addons protobuf value").Base(err)
--- a/proxy/vless/encoding/addons.pb.go
+++ b/proxy/vless/encoding/addons.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vless/encoding/addons.proto

 package encoding
--- a/proxy/vless/encoding/encoding.go
+++ b/proxy/vless/encoding/encoding.go
@@ -6,7 +6,6 @@ import (
 	"bytes"
 	"context"
 	"crypto/rand"
-	"fmt"
 	"io"
 	"math/big"
 	"runtime"
@@ -24,17 +23,35 @@ import (
 	"github.com/xtls/xray-core/proxy/vless"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

 const (
 	Version = byte(0)
 )

-var tls13SupportedVersions = []byte{0x00, 0x2b, 0x00, 0x02, 0x03, 0x04}
-var tlsClientHandShakeStart = []byte{0x16, 0x03}
-var tlsServerHandShakeStart = []byte{0x16, 0x03, 0x03}
-var tlsApplicationDataStart = []byte{0x17, 0x03, 0x03}
+var (
+	tls13SupportedVersions  = []byte{0x00, 0x2b, 0x00, 0x02, 0x03, 0x04}
+	tlsClientHandShakeStart = []byte{0x16, 0x03}
+	tlsServerHandShakeStart = []byte{0x16, 0x03, 0x03}
+	tlsApplicationDataStart = []byte{0x17, 0x03, 0x03}
+
+	Tls13CipherSuiteDic = map[uint16]string{
+		0x1301: "TLS_AES_128_GCM_SHA256",
+		0x1302: "TLS_AES_256_GCM_SHA384",
+		0x1303: "TLS_CHACHA20_POLY1305_SHA256",
+		0x1304: "TLS_AES_128_CCM_SHA256",
+		0x1305: "TLS_AES_128_CCM_8_SHA256",
+	}
+)
+
+const (
+	tlsHandshakeTypeClientHello byte = 0x01
+	tlsHandshakeTypeServerHello byte = 0x02
+
+	CommandPaddingContinue byte = 0x00
+	CommandPaddingEnd      byte = 0x01
+	CommandPaddingDirect   byte = 0x02
+)

 var addrParser = protocol.NewAddressParser(
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv4), net.AddressFamilyIPv4),
@@ -187,70 +204,15 @@ func DecodeResponseHeader(reader io.Reader, request *protocol.RequestHeader) (*A
 	return responseAddons, nil
 }

-func ReadV(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn *xtls.Conn, rawConn syscall.RawConn, counter stats.Counter, ctx context.Context) error {
-	err := func() error {
-		var ct stats.Counter
-		for {
-			if conn.DirectIn {
-				conn.DirectIn = false
-				if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Conn != nil {
-					iConn := inbound.Conn
-					statConn, ok := iConn.(*stat.CounterConnection)
-					if ok {
-						iConn = statConn.Connection
-					}
-					if xc, ok := iConn.(*xtls.Conn); ok {
-						iConn = xc.NetConn()
-					}
-					if tc, ok := iConn.(*net.TCPConn); ok {
-						if conn.SHOW {
-							fmt.Println(conn.MARK, "Splice")
-						}
-						runtime.Gosched() // necessary
-						w, err := tc.ReadFrom(conn.NetConn())
-						if counter != nil {
-							counter.Add(w)
-						}
-						if statConn != nil && statConn.WriteCounter != nil {
-							statConn.WriteCounter.Add(w)
-						}
-						return err
-					} else {
-						panic("XTLS Splice: not TCP inbound")
-					}
-				}
-				reader = buf.NewReadVReader(conn.NetConn(), rawConn, nil)
-				ct = counter
-				if conn.SHOW {
-					fmt.Println(conn.MARK, "ReadV")
-				}
-			}
-			buffer, err := reader.ReadMultiBuffer()
-			if !buffer.IsEmpty() {
-				if ct != nil {
-					ct.Add(int64(buffer.Len()))
-				}
-				timer.Update()
-				if werr := writer.WriteMultiBuffer(buffer); werr != nil {
-					return werr
-				}
-			}
-			if err != nil {
-				return err
-			}
-		}
-	}()
-	if err != nil && errors.Cause(err) != io.EOF {
-		return err
-	}
-	return nil
-}
-
 // XtlsRead filter and read xtls protocol
-func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn net.Conn, rawConn syscall.RawConn, counter stats.Counter, ctx context.Context, userUUID []byte, numberOfPacketToFilter *int, enableXtls *bool, isTLS12orAbove *bool, isTLS *bool) error {
+func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn net.Conn, rawConn syscall.RawConn,
+	input *bytes.Reader, rawInput *bytes.Buffer,
+	counter stats.Counter, ctx context.Context, userUUID []byte, numberOfPacketToFilter *int, enableXtls *bool,
+	isTLS12orAbove *bool, isTLS *bool, cipher *uint16, remainingServerHello *int32,
+) error {
 	err := func() error {
 		var ct stats.Counter
-		filterUUID := true
+		withinPaddingBuffers := true
 		shouldSwitchToDirectCopy := false
 		var remainingContent int32 = -1
 		var remainingPadding int32 = -1
@@ -258,8 +220,8 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
 		for {
 			if shouldSwitchToDirectCopy {
 				shouldSwitchToDirectCopy = false
-				if runtime.GOOS == "linux" || runtime.GOOS == "android" {
-					if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Conn != nil {
+				if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Conn != nil && (runtime.GOOS == "linux" || runtime.GOOS == "android") {
+					if _, ok := inbound.User.Account.(*vless.MemoryAccount); inbound.User.Account == nil || ok {
 						iConn := inbound.Conn
 						statConn, ok := iConn.(*stat.CounterConnection)
 						if ok {
@@ -279,11 +241,7 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
 								statConn.WriteCounter.Add(w)
 							}
 							return err
-						} else {
-							panic("XTLS Splice: not TCP inbound")
 						}
-					} else {
-						// panic("XTLS Splice: nil inbound or nil inbound.Conn")
 					}
 				}
 				reader = buf.NewReadVReader(conn, rawConn, nil)
@@ -292,21 +250,40 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
 			}
 			buffer, err := reader.ReadMultiBuffer()
 			if !buffer.IsEmpty() {
-				if filterUUID && (*isTLS || *numberOfPacketToFilter > 0) {
+				if withinPaddingBuffers || *numberOfPacketToFilter > 0 {
 					buffer = XtlsUnpadding(ctx, buffer, userUUID, &remainingContent, &remainingPadding, &currentCommand)
 					if remainingContent == 0 && remainingPadding == 0 {
 						if currentCommand == 1 {
-							filterUUID = false
+							withinPaddingBuffers = false
+							remainingContent = -1
+							remainingPadding = -1 // set to initial state to parse the next padding
 						} else if currentCommand == 2 {
-							filterUUID = false
+							withinPaddingBuffers = false
 							shouldSwitchToDirectCopy = true
-						} else if currentCommand != 0 {
+							// XTLS Vision processes struct TLS Conn's input and rawInput
+							if inputBuffer, err := buf.ReadFrom(input); err == nil {
+								if !inputBuffer.IsEmpty() {
+									buffer, _ = buf.MergeMulti(buffer, inputBuffer)
+								}
+							}
+							if rawInputBuffer, err := buf.ReadFrom(rawInput); err == nil {
+								if !rawInputBuffer.IsEmpty() {
+									buffer, _ = buf.MergeMulti(buffer, rawInputBuffer)
+								}
+							}
+						} else if currentCommand == 0 {
+							withinPaddingBuffers = true
+						} else {
 							newError("XtlsRead unknown command ", currentCommand, buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
 						}
+					} else if remainingContent > 0 || remainingPadding > 0 {
+						withinPaddingBuffers = true
+					} else {
+						withinPaddingBuffers = false
 					}
 				}
 				if *numberOfPacketToFilter > 0 {
-					XtlsFilterTls(buffer, numberOfPacketToFilter, enableXtls, isTLS12orAbove, isTLS, ctx)
+					XtlsFilterTls(buffer, numberOfPacketToFilter, enableXtls, isTLS12orAbove, isTLS, cipher, remainingServerHello, ctx)
 				}
 				if ct != nil {
 					ct.Add(int64(buffer.Len()))
@@ -328,38 +305,40 @@ func XtlsRead(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater
 }

 // XtlsWrite filter and write xtls protocol
-func XtlsWrite(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn net.Conn, counter stats.Counter, ctx context.Context, userUUID *[]byte, numberOfPacketToFilter *int, enableXtls *bool, isTLS12orAbove *bool, isTLS *bool) error {
+func XtlsWrite(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdater, conn net.Conn, counter stats.Counter,
+	ctx context.Context, numberOfPacketToFilter *int, enableXtls *bool, isTLS12orAbove *bool, isTLS *bool,
+	cipher *uint16, remainingServerHello *int32,
+) error {
 	err := func() error {
 		var ct stats.Counter
-		filterTlsApplicationData := true
+		isPadding := true
 		shouldSwitchToDirectCopy := false
 		for {
 			buffer, err := reader.ReadMultiBuffer()
 			if !buffer.IsEmpty() {
 				if *numberOfPacketToFilter > 0 {
-					XtlsFilterTls(buffer, numberOfPacketToFilter, enableXtls, isTLS12orAbove, isTLS, ctx)
+					XtlsFilterTls(buffer, numberOfPacketToFilter, enableXtls, isTLS12orAbove, isTLS, cipher, remainingServerHello, ctx)
 				}
-				if filterTlsApplicationData && *isTLS {
+				if isPadding {
 					buffer = ReshapeMultiBuffer(ctx, buffer)
 					var xtlsSpecIndex int
 					for i, b := range buffer {
-						if b.Len() >= 6 && bytes.Equal(tlsApplicationDataStart, b.BytesTo(3)) {
-							var command byte = 0x01
+						if *isTLS && b.Len() >= 6 && bytes.Equal(tlsApplicationDataStart, b.BytesTo(3)) {
+							var command byte = CommandPaddingEnd
 							if *enableXtls {
 								shouldSwitchToDirectCopy = true
 								xtlsSpecIndex = i
-								command = 0x02
+								command = CommandPaddingDirect
 							}
-							filterTlsApplicationData = false
-							buffer[i] = XtlsPadding(b, command, userUUID, ctx)
+							isPadding = false
+							buffer[i] = XtlsPadding(b, command, nil, *isTLS, ctx)
 							break
-						} else if !*isTLS12orAbove && *numberOfPacketToFilter <= 0 {
-							//maybe tls 1.1 or 1.0
-							filterTlsApplicationData = false
-							buffer[i] = XtlsPadding(b, 0x01, userUUID, ctx)
+						} else if !*isTLS12orAbove && *numberOfPacketToFilter <= 1 { // For compatibility with earlier vision receiver, we finish padding 1 packet early
+							isPadding = false
+							buffer[i] = XtlsPadding(b, CommandPaddingEnd, nil, *isTLS, ctx)
 							break
 						}
-						buffer[i] = XtlsPadding(b, 0x00, userUUID, ctx)
+						buffer[i] = XtlsPadding(b, CommandPaddingContinue, nil, *isTLS, ctx)
 					}
 					if shouldSwitchToDirectCopy {
 						encryptBuffer, directBuffer := buf.SplitMulti(buffer, xtlsSpecIndex+1)
@@ -399,102 +378,129 @@ func XtlsWrite(reader buf.Reader, writer buf.Writer, timer signal.ActivityUpdate
 }

 // XtlsFilterTls filter and recognize tls 1.3 and other info
-func XtlsFilterTls(buffer buf.MultiBuffer, numberOfPacketToFilter *int, enableXtls *bool, isTLS12orAbove *bool, isTLS *bool, ctx context.Context) {
+func XtlsFilterTls(buffer buf.MultiBuffer, numberOfPacketToFilter *int, enableXtls *bool, isTLS12orAbove *bool, isTLS *bool,
+	cipher *uint16, remainingServerHello *int32, ctx context.Context,
+) {
 	for _, b := range buffer {
 		*numberOfPacketToFilter--
 		if b.Len() >= 6 {
 			startsBytes := b.BytesTo(6)
-			if bytes.Equal(tlsServerHandShakeStart, startsBytes[:3]) && startsBytes[5] == 0x02 {
-				total := (int(startsBytes[3])<<8 | int(startsBytes[4])) + 5
-				if b.Len() >= int32(total) && total >= 74 {
-					if bytes.Contains(b.BytesTo(int32(total)), tls13SupportedVersions) {
-						sessionIdLen := int32(b.Byte(43))
-						cipherSuite := b.BytesRange(43 + sessionIdLen + 1, 43 + sessionIdLen + 3)
-						cipherNum := uint16(cipherSuite[0]) << 8 | uint16(cipherSuite[1])
-						v, ok := Tls13CipherSuiteDic[cipherNum]
-						if !ok {
-							v = "Unknown cipher!"
-						} else if (v != "TLS_AES_128_CCM_8_SHA256") {
-							*enableXtls = true
-						}
-						newError("XtlsFilterTls13 found tls 1.3! ", buffer.Len(), " ", v).WriteToLog(session.ExportIDToError(ctx))
-					} else {
-						newError("XtlsFilterTls13 found tls 1.2! ", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
-					}
-					*isTLS12orAbove = true
-					*isTLS = true
-					*numberOfPacketToFilter = 0
-					return
-				}
-			} else if bytes.Equal(tlsClientHandShakeStart, startsBytes[:2]) && startsBytes[5] == 0x01 {
+			if bytes.Equal(tlsServerHandShakeStart, startsBytes[:3]) && startsBytes[5] == tlsHandshakeTypeServerHello {
+				*remainingServerHello = (int32(startsBytes[3])<<8 | int32(startsBytes[4])) + 5
+				*isTLS12orAbove = true
 				*isTLS = true
-				newError("XtlsFilterTls13 found tls client hello! ", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
+				if b.Len() >= 79 && *remainingServerHello >= 79 {
+					sessionIdLen := int32(b.Byte(43))
+					cipherSuite := b.BytesRange(43+sessionIdLen+1, 43+sessionIdLen+3)
+					*cipher = uint16(cipherSuite[0])<<8 | uint16(cipherSuite[1])
+				} else {
+					newError("XtlsFilterTls short server hello, tls 1.2 or older? ", b.Len(), " ", *remainingServerHello).WriteToLog(session.ExportIDToError(ctx))
+				}
+			} else if bytes.Equal(tlsClientHandShakeStart, startsBytes[:2]) && startsBytes[5] == tlsHandshakeTypeClientHello {
+				*isTLS = true
+				newError("XtlsFilterTls found tls client hello! ", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
 			}
 		}
+		if *remainingServerHello > 0 {
+			end := *remainingServerHello
+			if end > b.Len() {
+				end = b.Len()
+			}
+			*remainingServerHello -= b.Len()
+			if bytes.Contains(b.BytesTo(end), tls13SupportedVersions) {
+				v, ok := Tls13CipherSuiteDic[*cipher]
+				if !ok {
+					v = "Old cipher: " + strconv.FormatUint(uint64(*cipher), 16)
+				} else if v != "TLS_AES_128_CCM_8_SHA256" {
+					*enableXtls = true
+				}
+				newError("XtlsFilterTls found tls 1.3! ", b.Len(), " ", v).WriteToLog(session.ExportIDToError(ctx))
+				*numberOfPacketToFilter = 0
+				return
+			} else if *remainingServerHello <= 0 {
+				newError("XtlsFilterTls found tls 1.2! ", b.Len()).WriteToLog(session.ExportIDToError(ctx))
+				*numberOfPacketToFilter = 0
+				return
+			}
+			newError("XtlsFilterTls inconclusive server hello ", b.Len(), " ", *remainingServerHello).WriteToLog(session.ExportIDToError(ctx))
+		}
 		if *numberOfPacketToFilter <= 0 {
-			newError("XtlsFilterTls13 stop filtering", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
+			newError("XtlsFilterTls stop filtering", buffer.Len()).WriteToLog(session.ExportIDToError(ctx))
 		}
 	}
 }

 // ReshapeMultiBuffer prepare multi buffer for padding stucture (max 21 bytes)
 func ReshapeMultiBuffer(ctx context.Context, buffer buf.MultiBuffer) buf.MultiBuffer {
-	needReshape := false
+	needReshape := 0
 	for _, b := range buffer {
 		if b.Len() >= buf.Size-21 {
-			needReshape = true
+			needReshape += 1
 		}
 	}
-	if !needReshape {
+	if needReshape == 0 {
 		return buffer
 	}
-	mb2 := make(buf.MultiBuffer, 0, len(buffer))
-	print := ""
-	for _, b := range buffer {
-		if b.Len() >= buf.Size-21 {
-			index := int32(bytes.LastIndex(b.Bytes(), tlsApplicationDataStart))
-			if index <= 0 {
+	mb2 := make(buf.MultiBuffer, 0, len(buffer)+needReshape)
+	toPrint := ""
+	for i, buffer1 := range buffer {
+		if buffer1.Len() >= buf.Size-21 {
+			index := int32(bytes.LastIndex(buffer1.Bytes(), tlsApplicationDataStart))
+			if index <= 0 || index > buf.Size-21 {
 				index = buf.Size / 2
 			}
-			buffer1 := buf.New()
 			buffer2 := buf.New()
-			buffer1.Write(b.BytesTo(index))
-			buffer2.Write(b.BytesFrom(index))
+			buffer2.Write(buffer1.BytesFrom(index))
+			buffer1.Resize(0, index)
 			mb2 = append(mb2, buffer1, buffer2)
-			print += " " + strconv.Itoa(int(buffer1.Len())) + " " + strconv.Itoa(int(buffer2.Len()))
+			toPrint += " " + strconv.Itoa(int(buffer1.Len())) + " " + strconv.Itoa(int(buffer2.Len()))
 		} else {
-			newbuffer := buf.New()
-			newbuffer.Write(b.Bytes())
-			mb2 = append(mb2, newbuffer)
-			print += " " + strconv.Itoa(int(b.Len()))
+			mb2 = append(mb2, buffer1)
+			toPrint += " " + strconv.Itoa(int(buffer1.Len()))
 		}
+		buffer[i] = nil
 	}
-	buf.ReleaseMulti(buffer)
-	newError("ReshapeMultiBuffer ", print).WriteToLog(session.ExportIDToError(ctx))
+	buffer = buffer[:0]
+	newError("ReshapeMultiBuffer ", toPrint).WriteToLog(session.ExportIDToError(ctx))
 	return mb2
 }

 // XtlsPadding add padding to eliminate length siganature during tls handshake
-func XtlsPadding(b *buf.Buffer, command byte, userUUID *[]byte, ctx context.Context) *buf.Buffer {
-	var length int32 = 0
-	if b.Len() < 900 {
+func XtlsPadding(b *buf.Buffer, command byte, userUUID *[]byte, longPadding bool, ctx context.Context) *buf.Buffer {
+	var contentLen int32 = 0
+	var paddingLen int32 = 0
+	if b != nil {
+		contentLen = b.Len()
+	}
+	if contentLen < 900 && longPadding {
 		l, err := rand.Int(rand.Reader, big.NewInt(500))
 		if err != nil {
 			newError("failed to generate padding").Base(err).WriteToLog(session.ExportIDToError(ctx))
 		}
-		length = int32(l.Int64()) + 900 - b.Len()
+		paddingLen = int32(l.Int64()) + 900 - contentLen
+	} else {
+		l, err := rand.Int(rand.Reader, big.NewInt(256))
+		if err != nil {
+			newError("failed to generate padding").Base(err).WriteToLog(session.ExportIDToError(ctx))
+		}
+		paddingLen = int32(l.Int64())
+	}
+	if paddingLen > buf.Size - 21 - contentLen {
+		paddingLen = buf.Size - 21 - contentLen
 	}
 	newbuffer := buf.New()
 	if userUUID != nil {
 		newbuffer.Write(*userUUID)
 		*userUUID = nil
 	}
-	newbuffer.Write([]byte{command, byte(b.Len() >> 8), byte(b.Len()), byte(length >> 8), byte(length)})
-	newbuffer.Write(b.Bytes())
-	newbuffer.Extend(length)
-	newError("XtlsPadding ", b.Len(), " ", length, " ", command).WriteToLog(session.ExportIDToError(ctx))
-	b.Release()
-	b = nil
+	newbuffer.Write([]byte{command, byte(contentLen >> 8), byte(contentLen), byte(paddingLen >> 8), byte(paddingLen)})
+	if b != nil {
+		newbuffer.Write(b.Bytes())
+		b.Release()
+		b = nil
+	}
+	newbuffer.Extend(paddingLen)
+	newError("XtlsPadding ", contentLen, " ", paddingLen, " ", command).WriteToLog(session.ExportIDToError(ctx))
 	return newbuffer
 }

@@ -509,6 +515,7 @@ func XtlsUnpadding(ctx context.Context, buffer buf.MultiBuffer, userUUID []byte,
 				posByte = 16
 				*remainingContent = 0
 				*remainingPadding = 0
+				*currentCommand = 0
 				break
 			}
 		}
@@ -567,11 +574,3 @@ func XtlsUnpadding(ctx context.Context, buffer buf.MultiBuffer, userUUID []byte,
 	buf.ReleaseMulti(buffer)
 	return mb2
 }
-
-var Tls13CipherSuiteDic = map[uint16]string{
-	0x1301 : "TLS_AES_128_GCM_SHA256",
-	0x1302 : "TLS_AES_256_GCM_SHA384",
-	0x1303 : "TLS_CHACHA20_POLY1305_SHA256",
-	0x1304 : "TLS_AES_128_CCM_SHA256",
-	0x1305 : "TLS_AES_128_CCM_8_SHA256",
-}
--- a/proxy/vless/inbound/config.pb.go
+++ b/proxy/vless/inbound/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vless/inbound/config.proto

 package inbound
--- a/proxy/vless/inbound/inbound.go
+++ b/proxy/vless/inbound/inbound.go
@@ -3,25 +3,29 @@ package inbound
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen

 import (
+	"bytes"
 	"context"
+	gotls "crypto/tls"
 	"io"
+	"reflect"
 	"strconv"
 	"strings"
 	"syscall"
 	"time"
+	"unsafe"

+	"github.com/pires/go-proxyproto"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/log"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/retry"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal"
 	"github.com/xtls/xray-core/common/task"
-	core "github.com/xtls/xray-core/core"
+	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/dns"
 	feature_inbound "github.com/xtls/xray-core/features/inbound"
 	"github.com/xtls/xray-core/features/policy"
@@ -29,13 +33,11 @@ import (
 	"github.com/xtls/xray-core/features/stats"
 	"github.com/xtls/xray-core/proxy/vless"
 	"github.com/xtls/xray-core/proxy/vless/encoding"
+	"github.com/xtls/xray-core/transport/internet/reality"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

-var xtls_show = false
-
 func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		var dc dns.Client
@@ -47,13 +49,6 @@ func init() {
 		}
 		return New(ctx, config.(*Config), dc)
 	}))
-
-	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
-
-	xtlsShow := platform.NewEnvFlag("xray.vless.xtls.show").GetValue(func() string { return defaultFlagValue })
-	if xtlsShow == "true" {
-		xtls_show = true
-	}
 }

 // Handler is an inbound connection handler that handles messages in VLess protocol.
@@ -149,6 +144,19 @@ func New(ctx context.Context, config *Config, dc dns.Client) (*Handler, error) {
 	return handler, nil
 }

+func isMuxAndNotXUDP(request *protocol.RequestHeader, first *buf.Buffer) bool {
+	if request.Command != protocol.RequestCommandMux {
+		return false
+	}
+	if first.Len() < 7 {
+		return true
+	}
+	firstBytes := first.Bytes()
+	return !(firstBytes[2] == 0 && // ID high
+		firstBytes[3] == 0 && // ID low
+		firstBytes[6] == 2) // Network type: UDP
+}
+
 // Close implements common.Closable.Close().
 func (h *Handler) Close() error {
 	return errors.Combine(common.Close(h.validator))
@@ -184,9 +192,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 		return newError("unable to set read deadline").Base(err).AtWarning()
 	}

-	first := buf.New()
-	defer first.Release()
-
+	first := buf.FromBytes(make([]byte, buf.Size))
+	first.Clear()
 	firstLen, _ := first.ReadFrom(connection)
 	newError("firstLen = ", firstLen).AtInfo().WriteToLog(sid)

@@ -223,8 +230,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 				alpn = cs.NegotiatedProtocol
 				newError("realName = " + name).AtInfo().WriteToLog(sid)
 				newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
-			} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
-				cs := xtlsConn.ConnectionState()
+			} else if realityConn, ok := iConn.(*reality.Conn); ok {
+				cs := realityConn.ConnectionState()
 				name = cs.ServerName
 				alpn = cs.NegotiatedProtocol
 				newError("realName = " + name).AtInfo().WriteToLog(sid)
@@ -441,9 +448,11 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s

 	var netConn net.Conn
 	var rawConn syscall.RawConn
+	var input *bytes.Reader
+	var rawInput *bytes.Buffer

 	switch requestAddons.Flow {
-	case vless.XRO, vless.XRD, vless.XRV:
+	case vless.XRV:
 		if account.Flow == requestAddons.Flow {
 			switch request.Command {
 			case protocol.RequestCommandMux:
@@ -451,37 +460,43 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 			case protocol.RequestCommandUDP:
 				return newError(requestAddons.Flow + " doesn't support UDP").AtWarning()
 			case protocol.RequestCommandTCP:
-				if requestAddons.Flow == vless.XRV {
-					if tlsConn, ok := iConn.(*tls.Conn); ok {
-						netConn = tlsConn.NetConn()
-						if sc, ok := netConn.(syscall.Conn); ok {
-							rawConn, _ = sc.SyscallConn()
-						}
-					} else if _, ok := iConn.(*tls.UConn); ok {
-						return newError("XTLS only supports UTLS fingerprint for the outbound.").AtWarning()
-					} else if _, ok := iConn.(*xtls.Conn); ok {
-						return newError(`failed to use ` + requestAddons.Flow + `, vision "security" must be "tls"`).AtWarning()
-					} else {
-						return newError("XTLS only supports TCP, mKCP and DomainSocket for now.").AtWarning()
-					}
-				} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
-					xtlsConn.RPRX = true
-					xtlsConn.SHOW = xtls_show
-					xtlsConn.MARK = "XTLS"
-					if requestAddons.Flow == vless.XRD {
-						xtlsConn.DirectMode = true
-						if sc, ok := xtlsConn.NetConn().(syscall.Conn); ok {
-							rawConn, _ = sc.SyscallConn()
-						}
+				var t reflect.Type
+				var p uintptr
+				if tlsConn, ok := iConn.(*tls.Conn); ok {
+					if tlsConn.ConnectionState().Version != gotls.VersionTLS13 {
+						return newError(`failed to use `+requestAddons.Flow+`, found outer tls version `, tlsConn.ConnectionState().Version).AtWarning()
 					}
+					netConn = tlsConn.NetConn()
+					t = reflect.TypeOf(tlsConn.Conn).Elem()
+					p = uintptr(unsafe.Pointer(tlsConn.Conn))
+				} else if realityConn, ok := iConn.(*reality.Conn); ok {
+					netConn = realityConn.NetConn()
+					t = reflect.TypeOf(realityConn.Conn).Elem()
+					p = uintptr(unsafe.Pointer(realityConn.Conn))
+				} else if _, ok := iConn.(*tls.UConn); ok {
+					return newError("XTLS only supports UTLS fingerprint for the outbound.").AtWarning()
 				} else {
-					return newError(`failed to use ` + requestAddons.Flow + `, maybe "security" is not "xtls"`).AtWarning()
+					return newError("XTLS only supports TCP, mKCP and DomainSocket for now.").AtWarning()
 				}
+				if pc, ok := netConn.(*proxyproto.Conn); ok {
+					netConn = pc.Raw()
+					// 8192 > 4096, there is no need to process pc's bufReader
+				}
+				if sc, ok := netConn.(syscall.Conn); ok {
+					rawConn, _ = sc.SyscallConn()
+				}
+				i, _ := t.FieldByName("input")
+				r, _ := t.FieldByName("rawInput")
+				input = (*bytes.Reader)(unsafe.Pointer(p + i.Offset))
+				rawInput = (*bytes.Buffer)(unsafe.Pointer(p + r.Offset))
 			}
 		} else {
 			return newError(account.ID.String() + " is not able to use " + requestAddons.Flow).AtWarning()
 		}
 	case "":
+		if account.Flow == vless.XRV && (request.Command == protocol.RequestCommandTCP || isMuxAndNotXUDP(request, first)) {
+			return newError(account.ID.String() + " is not able to use \"\". Note that the pure TLS proxy has certain TLS in TLS characters.").AtWarning()
+		}
 	default:
 		return newError("unknown request flow " + requestAddons.Flow).AtWarning()
 	}
@@ -511,6 +526,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	enableXtls := false
 	isTLS12orAbove := false
 	isTLS := false
+	var cipher uint16 = 0
+	var remainingServerHello int32 = -1
 	numberOfPacketToFilter := 8

 	postRequest := func() error {
@@ -526,13 +543,10 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 			if statConn != nil {
 				counter = statConn.ReadCounter
 			}
-			//TODO enable splice
+			// TODO enable splice
 			ctx = session.ContextWithInbound(ctx, nil)
-			if requestAddons.Flow == vless.XRV {
-				err = encoding.XtlsRead(clientReader, serverWriter, timer, netConn, rawConn, counter, ctx, account.ID.Bytes(), &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS)
-			} else {
-				err = encoding.ReadV(clientReader, serverWriter, timer, iConn.(*xtls.Conn), rawConn, counter, ctx)
-			}
+			err = encoding.XtlsRead(clientReader, serverWriter, timer, netConn, rawConn, input, rawInput, counter, ctx, account.ID.Bytes(),
+				&numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello)
 		} else {
 			// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBufer
 			err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))
@@ -561,12 +575,10 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 			return err1 // ...
 		}
 		if requestAddons.Flow == vless.XRV {
-			encoding.XtlsFilterTls(multiBuffer, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, ctx)
-			if isTLS {
-				multiBuffer = encoding.ReshapeMultiBuffer(ctx, multiBuffer)
-				for i, b := range multiBuffer {
-					multiBuffer[i] = encoding.XtlsPadding(b, 0x00, &userUUID, ctx)
-				}
+			encoding.XtlsFilterTls(multiBuffer, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello, ctx)
+			multiBuffer = encoding.ReshapeMultiBuffer(ctx, multiBuffer)
+			for i, b := range multiBuffer {
+				multiBuffer[i] = encoding.XtlsPadding(b, encoding.CommandPaddingContinue, &userUUID, isTLS, ctx)
 			}
 		}
 		if err := clientWriter.WriteMultiBuffer(multiBuffer); err != nil {
@@ -583,7 +595,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 			if statConn != nil {
 				counter = statConn.WriteCounter
 			}
-			err = encoding.XtlsWrite(serverReader, clientWriter, timer, netConn, counter, ctx, &userUUID, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS)
+			err = encoding.XtlsWrite(serverReader, clientWriter, timer, netConn, counter, ctx, &numberOfPacketToFilter,
+				&enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello)
 		} else {
 			// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBufer
 			err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))
--- a/proxy/vless/outbound/config.pb.go
+++ b/proxy/vless/outbound/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vless/outbound/config.proto

 package outbound
--- a/proxy/vless/outbound/outbound.go
+++ b/proxy/vless/outbound/outbound.go
@@ -3,44 +3,40 @@ package outbound
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen

 import (
+	"bytes"
 	"context"
+	gotls "crypto/tls"
+	"reflect"
 	"syscall"
+	"time"
+	"unsafe"

+	utls "github.com/refraction-networking/utls"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/common/retry"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal"
 	"github.com/xtls/xray-core/common/task"
 	"github.com/xtls/xray-core/common/xudp"
-	core "github.com/xtls/xray-core/core"
+	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/policy"
 	"github.com/xtls/xray-core/features/stats"
 	"github.com/xtls/xray-core/proxy/vless"
 	"github.com/xtls/xray-core/proxy/vless/encoding"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
+	"github.com/xtls/xray-core/transport/internet/reality"
 	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/tls"
-	"github.com/xtls/xray-core/transport/internet/xtls"
 )

-var xtls_show = false
-
 func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		return New(ctx, config.(*Config))
 	}))
-
-	const defaultFlagValue = "NOT_DEFINED_AT_ALL"
-
-	xtlsShow := platform.NewEnvFlag("xray.vless.xtls.show").GetValue(func() string { return defaultFlagValue })
-	if xtlsShow == "true" {
-		xtls_show = true
-	}
 }

 // Handler is an outbound connection handler for VLess protocol.
@@ -129,13 +125,15 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte

 	var netConn net.Conn
 	var rawConn syscall.RawConn
+	var input *bytes.Reader
+	var rawInput *bytes.Buffer
 	allowUDP443 := false
 	switch requestAddons.Flow {
-	case vless.XRO + "-udp443", vless.XRD + "-udp443", vless.XRS + "-udp443", vless.XRV + "-udp443":
+	case vless.XRV + "-udp443":
 		allowUDP443 = true
 		requestAddons.Flow = requestAddons.Flow[:16]
 		fallthrough
-	case vless.XRO, vless.XRD, vless.XRS, vless.XRV:
+	case vless.XRV:
 		switch request.Command {
 		case protocol.RequestCommandMux:
 			return newError(requestAddons.Flow + " doesn't support Mux").AtWarning()
@@ -145,42 +143,30 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 			}
 			requestAddons.Flow = ""
 		case protocol.RequestCommandTCP:
-			if requestAddons.Flow == vless.XRV {
-				if tlsConn, ok := iConn.(*tls.Conn); ok {
-					netConn = tlsConn.NetConn()
-					if sc, ok := netConn.(syscall.Conn); ok {
-						rawConn, _ = sc.SyscallConn()
-					}
-				} else if utlsConn, ok := iConn.(*tls.UConn); ok {
-					netConn = utlsConn.Conn.NetConn()
-					if sc, ok := netConn.(syscall.Conn); ok {
-						rawConn, _ = sc.SyscallConn()
-					}
-				} else if _, ok := iConn.(*xtls.Conn); ok {
-					return newError(`failed to use ` + requestAddons.Flow + `, vision "security" must be "tls"`).AtWarning()
-				} else {
-					return newError("XTLS only supports TCP, mKCP and DomainSocket for now.").AtWarning()
-				}
-			} else if xtlsConn, ok := iConn.(*xtls.Conn); ok {
-				xtlsConn.RPRX = true
-				xtlsConn.SHOW = xtls_show
-				xtlsConn.MARK = "XTLS"
-				if requestAddons.Flow == vless.XRS {
-					requestAddons.Flow = vless.XRD
-				}
-				if requestAddons.Flow == vless.XRD {
-					xtlsConn.DirectMode = true
-					if sc, ok := xtlsConn.NetConn().(syscall.Conn); ok {
-						rawConn, _ = sc.SyscallConn()
-					}
-				}
+			var t reflect.Type
+			var p uintptr
+			if tlsConn, ok := iConn.(*tls.Conn); ok {
+				netConn = tlsConn.NetConn()
+				t = reflect.TypeOf(tlsConn.Conn).Elem()
+				p = uintptr(unsafe.Pointer(tlsConn.Conn))
+			} else if utlsConn, ok := iConn.(*tls.UConn); ok {
+				netConn = utlsConn.NetConn()
+				t = reflect.TypeOf(utlsConn.Conn).Elem()
+				p = uintptr(unsafe.Pointer(utlsConn.Conn))
+			} else if realityConn, ok := iConn.(*reality.UConn); ok {
+				netConn = realityConn.NetConn()
+				t = reflect.TypeOf(realityConn.Conn).Elem()
+				p = uintptr(unsafe.Pointer(realityConn.Conn))
 			} else {
-				return newError(`failed to use ` + requestAddons.Flow + `, maybe "security" is not "xtls"`).AtWarning()
+				return newError("XTLS only supports TCP, mKCP and DomainSocket for now.").AtWarning()
 			}
-		}
-	default:
-		if _, ok := iConn.(*xtls.Conn); ok {
-			panic(`To avoid misunderstanding, you must fill in VLESS "flow" when using XTLS.`)
+			if sc, ok := netConn.(syscall.Conn); ok {
+				rawConn, _ = sc.SyscallConn()
+			}
+			i, _ := t.FieldByName("input")
+			r, _ := t.FieldByName("rawInput")
+			input = (*bytes.Reader)(unsafe.Pointer(p + i.Offset))
+			rawInput = (*bytes.Buffer)(unsafe.Pointer(p + r.Offset))
 		}
 	}

@@ -193,6 +179,8 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 	enableXtls := false
 	isTLS12orAbove := false
 	isTLS := false
+	var cipher uint16 = 0
+	var remainingServerHello int32 = -1
 	numberOfPacketToFilter := 8

 	if request.Command == protocol.RequestCommandUDP && h.cone && request.Port != 53 && request.Port != 443 {
@@ -215,20 +203,32 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 			serverWriter = xudp.NewPacketWriter(serverWriter, target)
 		}
 		userUUID := account.ID.Bytes()
-		multiBuffer, err1 := clientReader.ReadMultiBuffer()
-		if err1 != nil {
-			return err1 // ...
-		}
-		if requestAddons.Flow == vless.XRV {
-			encoding.XtlsFilterTls(multiBuffer, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, ctx)
-			if isTLS {
-				for i, b := range multiBuffer {
-					multiBuffer[i] = encoding.XtlsPadding(b, 0x00, &userUUID, ctx)
+		timeoutReader, ok := clientReader.(buf.TimeoutReader)
+		if ok {
+			multiBuffer, err1 := timeoutReader.ReadMultiBufferTimeout(time.Millisecond * 500)
+			if err1 == nil {
+				if requestAddons.Flow == vless.XRV {
+					encoding.XtlsFilterTls(multiBuffer, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello, ctx)
+					multiBuffer = encoding.ReshapeMultiBuffer(ctx, multiBuffer)
+					for i, b := range multiBuffer {
+						multiBuffer[i] = encoding.XtlsPadding(b, encoding.CommandPaddingContinue, &userUUID, isTLS, ctx)
+					}
+				}
+				if err := serverWriter.WriteMultiBuffer(multiBuffer); err != nil {
+					return err // ...
+				}
+			} else if err1 != buf.ErrReadTimeout {
+				return err1
+			} else if requestAddons.Flow == vless.XRV {
+				mb := make(buf.MultiBuffer, 1)
+				mb[0] = encoding.XtlsPadding(nil, encoding.CommandPaddingContinue, &userUUID, true, ctx) // we do a long padding to hide vless header
+				newError("Insert padding with empty content to camouflage VLESS header ", mb.Len()).WriteToLog(session.ExportIDToError(ctx))
+				if err := serverWriter.WriteMultiBuffer(mb); err != nil {
+					return err
 				}
 			}
-		}
-		if err := serverWriter.WriteMultiBuffer(multiBuffer); err != nil {
-			return err // ...
+		} else {
+			newError("Reader is not timeout reader, will send out vless header separately from first payload").AtDebug().WriteToLog(session.ExportIDToError(ctx))
 		}
 		// Flush; bufferWriter.WriteMultiBufer now is bufferWriter.writer.WriteMultiBuffer
 		if err := bufferWriter.SetBuffered(false); err != nil {
@@ -237,11 +237,21 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte

 		var err error
 		if rawConn != nil && requestAddons.Flow == vless.XRV {
+			if tlsConn, ok := iConn.(*tls.Conn); ok {
+				if tlsConn.ConnectionState().Version != gotls.VersionTLS13 {
+					return newError(`failed to use `+requestAddons.Flow+`, found outer tls version `, tlsConn.ConnectionState().Version).AtWarning()
+				}
+			} else if utlsConn, ok := iConn.(*tls.UConn); ok {
+				if utlsConn.ConnectionState().Version != utls.VersionTLS13 {
+					return newError(`failed to use `+requestAddons.Flow+`, found outer tls version `, utlsConn.ConnectionState().Version).AtWarning()
+				}
+			}
 			var counter stats.Counter
 			if statConn != nil {
 				counter = statConn.WriteCounter
 			}
-			err = encoding.XtlsWrite(clientReader, serverWriter, timer, netConn, counter, ctx, &userUUID, &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS)
+			err = encoding.XtlsWrite(clientReader, serverWriter, timer, netConn, counter, ctx, &numberOfPacketToFilter,
+				&enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello)
 		} else {
 			// from clientReader.ReadMultiBuffer to serverWriter.WriteMultiBufer
 			err = buf.Copy(clientReader, serverWriter, buf.UpdateActivity(timer))
@@ -276,11 +286,8 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
 			if statConn != nil {
 				counter = statConn.ReadCounter
 			}
-			if requestAddons.Flow == vless.XRV {
-				err = encoding.XtlsRead(serverReader, clientWriter, timer, netConn, rawConn, counter, ctx, account.ID.Bytes(), &numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS)
-			} else {
-				err = encoding.ReadV(serverReader, clientWriter, timer, iConn.(*xtls.Conn), rawConn, counter, ctx)
-			}
+			err = encoding.XtlsRead(serverReader, clientWriter, timer, netConn, rawConn, input, rawInput, counter, ctx, account.ID.Bytes(),
+			&numberOfPacketToFilter, &enableXtls, &isTLS12orAbove, &isTLS, &cipher, &remainingServerHello)
 		} else {
 			// from serverReader.ReadMultiBuffer to clientWriter.WriteMultiBufer
 			err = buf.Copy(serverReader, clientWriter, buf.UpdateActivity(timer))
--- a/proxy/vless/vless.go
+++ b/proxy/vless/vless.go
@@ -8,8 +8,5 @@ package vless
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen

 const (
-	XRO = "xtls-rprx-origin"
-	XRD = "xtls-rprx-direct"
-	XRS = "xtls-rprx-splice"
 	XRV = "xtls-rprx-vision"
 )
--- a/proxy/vmess/account.pb.go
+++ b/proxy/vmess/account.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vmess/account.proto

 package vmess
--- a/proxy/vmess/inbound/config.pb.go
+++ b/proxy/vmess/inbound/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vmess/inbound/config.proto

 package inbound
--- a/proxy/vmess/outbound/config.pb.go
+++ b/proxy/vmess/outbound/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.18.0
+// 	protoc        v3.21.12
 // source: proxy/vmess/outbound/config.proto

 package outbound
--- a/proxy/vmess/validator.go
+++ b/proxy/vmess/validator.go
@@ -252,7 +252,9 @@ func (v *TimedUserValidator) BurnTaintFuse(userHash []byte) error {
 	return ErrNotFound
 }

-/* ShouldShowLegacyWarn will return whether a Legacy Warning should be shown
+/*
+	ShouldShowLegacyWarn will return whether a Legacy Warning should be shown
+
 Not guaranteed to only return true once for every inbound, but it is okay.
 */
 func (v *TimedUserValidator) ShouldShowLegacyWarn() bool {
--- a/proxy/wireguard/bind.go
+++ b/proxy/wireguard/bind.go
@@ -0,0 +1,266 @@
+package wireguard
+
+import (
+	"context"
+	"errors"
+	"io"
+	"net"
+	"net/netip"
+	"strconv"
+	"sync"
+
+	"github.com/sagernet/wireguard-go/conn"
+	xnet "github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/features/dns"
+	"github.com/xtls/xray-core/transport/internet"
+)
+
+type netReadInfo struct {
+	// status
+	waiter sync.WaitGroup
+	// param
+	buff []byte
+	// result
+	bytes    int
+	endpoint conn.Endpoint
+	err      error
+}
+
+type netBindClient struct {
+	workers   int
+	dialer    internet.Dialer
+	dns       dns.Client
+	dnsOption dns.IPOption
+	reserved  []byte
+
+	readQueue chan *netReadInfo
+}
+
+func (n *netBindClient) ParseEndpoint(s string) (conn.Endpoint, error) {
+	ipStr, port, _, err := splitAddrPort(s)
+	if err != nil {
+		return nil, err
+	}
+
+	var addr net.IP
+	if IsDomainName(ipStr) {
+		ips, err := n.dns.LookupIP(ipStr, n.dnsOption)
+		if err != nil {
+			return nil, err
+		} else if len(ips) == 0 {
+			return nil, dns.ErrEmptyResponse
+		}
+		addr = ips[0]
+	} else {
+		addr = net.ParseIP(ipStr)
+	}
+	if addr == nil {
+		return nil, errors.New("failed to parse ip: " + ipStr)
+	}
+
+	var ip xnet.Address
+	if p4 := addr.To4(); len(p4) == net.IPv4len {
+		ip = xnet.IPAddress(p4[:])
+	} else {
+		ip = xnet.IPAddress(addr[:])
+	}
+
+	dst := xnet.Destination{
+		Address: ip,
+		Port:    xnet.Port(port),
+		Network: xnet.Network_UDP,
+	}
+
+	return &netEndpoint{
+		dst: dst,
+	}, nil
+}
+
+func (bind *netBindClient) Open(uport uint16) ([]conn.ReceiveFunc, uint16, error) {
+	bind.readQueue = make(chan *netReadInfo)
+
+	fun := func(buff []byte) (cap int, ep conn.Endpoint, err error) {
+		defer func() {
+			if r := recover(); r != nil {
+				cap = 0
+				ep = nil
+				err = errors.New("channel closed")
+			}
+		}()
+
+		r := &netReadInfo{
+			buff: buff,
+		}
+		r.waiter.Add(1)
+		bind.readQueue <- r
+		r.waiter.Wait() // wait read goroutine done, or we will miss the result
+		return r.bytes, r.endpoint, r.err
+	}
+	workers := bind.workers
+	if workers <= 0 {
+		workers = 1
+	}
+	arr := make([]conn.ReceiveFunc, workers)
+	for i := 0; i < workers; i++ {
+		arr[i] = fun
+	}
+
+	return arr, uint16(uport), nil
+}
+
+func (bind *netBindClient) Close() error {
+	if bind.readQueue != nil {
+		close(bind.readQueue)
+	}
+	return nil
+}
+
+func (bind *netBindClient) connectTo(endpoint *netEndpoint) error {
+	c, err := bind.dialer.Dial(context.Background(), endpoint.dst)
+	if err != nil {
+		return err
+	}
+	endpoint.conn = c
+
+	go func(readQueue <-chan *netReadInfo, endpoint *netEndpoint) {
+		for {
+			v, ok := <-readQueue
+			if !ok {
+				return
+			}
+			i, err := c.Read(v.buff)
+
+			if i > 3 {
+				v.buff[1] = 0
+				v.buff[2] = 0
+				v.buff[3] = 0
+			}
+
+			v.bytes = i
+			v.endpoint = endpoint
+			v.err = err
+			v.waiter.Done()
+			if err != nil && errors.Is(err, io.EOF) {
+				endpoint.conn = nil
+				return
+			}
+		}
+	}(bind.readQueue, endpoint)
+
+	return nil
+}
+
+func (bind *netBindClient) Send(buff []byte, endpoint conn.Endpoint) error {
+	var err error
+
+	nend, ok := endpoint.(*netEndpoint)
+	if !ok {
+		return conn.ErrWrongEndpointType
+	}
+
+	if nend.conn == nil {
+		err = bind.connectTo(nend)
+		if err != nil {
+			return err
+		}
+	}
+
+	if len(buff) > 3 && len(bind.reserved) == 3 {
+		copy(buff[1:], bind.reserved)
+	}
+
+	_, err = nend.conn.Write(buff)
+
+	return err
+}
+
+func (bind *netBindClient) SetMark(mark uint32) error {
+	return nil
+}
+
+type netEndpoint struct {
+	dst  xnet.Destination
+	conn net.Conn
+}
+
+func (netEndpoint) ClearSrc() {}
+
+func (e netEndpoint) DstIP() netip.Addr {
+	return toNetIpAddr(e.dst.Address)
+}
+
+func (e netEndpoint) SrcIP() netip.Addr {
+	return netip.Addr{}
+}
+
+func (e netEndpoint) DstToBytes() []byte {
+	var dat []byte
+	if e.dst.Address.Family().IsIPv4() {
+		dat = e.dst.Address.IP().To4()[:]
+	} else {
+		dat = e.dst.Address.IP().To16()[:]
+	}
+	dat = append(dat, byte(e.dst.Port), byte(e.dst.Port>>8))
+	return dat
+}
+
+func (e netEndpoint) DstToString() string {
+	return e.dst.NetAddr()
+}
+
+func (e netEndpoint) SrcToString() string {
+	return ""
+}
+
+func toNetIpAddr(addr xnet.Address) netip.Addr {
+	if addr.Family().IsIPv4() {
+		ip := addr.IP()
+		return netip.AddrFrom4([4]byte{ip[0], ip[1], ip[2], ip[3]})
+	} else {
+		ip := addr.IP()
+		arr := [16]byte{}
+		for i := 0; i < 16; i++ {
+			arr[i] = ip[i]
+		}
+		return netip.AddrFrom16(arr)
+	}
+}
+
+func stringsLastIndexByte(s string, b byte) int {
+	for i := len(s) - 1; i >= 0; i-- {
+		if s[i] == b {
+			return i
+		}
+	}
+	return -1
+}
+
+func splitAddrPort(s string) (ip string, port uint16, v6 bool, err error) {
+	i := stringsLastIndexByte(s, ':')
+	if i == -1 {
+		return "", 0, false, errors.New("not an ip:port")
+	}
+
+	ip = s[:i]
+	portStr := s[i+1:]
+	if len(ip) == 0 {
+		return "", 0, false, errors.New("no IP")
+	}
+	if len(portStr) == 0 {
+		return "", 0, false, errors.New("no port")
+	}
+	port64, err := strconv.ParseUint(portStr, 10, 16)
+	if err != nil {
+		return "", 0, false, errors.New("invalid port " + strconv.Quote(portStr) + " parsing " + strconv.Quote(s))
+	}
+	port = uint16(port64)
+	if ip[0] == '[' {
+		if len(ip) < 2 || ip[len(ip)-1] != ']' {
+			return "", 0, false, errors.New("missing ]")
+		}
+		ip = ip[1 : len(ip)-1]
+		v6 = true
+	}
+
+	return ip, port, v6, nil
+}
--- a/proxy/wireguard/config.pb.go
+++ b/proxy/wireguard/config.pb.go
@@ -0,0 +1,303 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
+// source: proxy/wireguard/config.proto
+
+package wireguard
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type PeerConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	PublicKey    string   `protobuf:"bytes,1,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"`
+	PreSharedKey string   `protobuf:"bytes,2,opt,name=pre_shared_key,json=preSharedKey,proto3" json:"pre_shared_key,omitempty"`
+	Endpoint     string   `protobuf:"bytes,3,opt,name=endpoint,proto3" json:"endpoint,omitempty"`
+	KeepAlive    int32    `protobuf:"varint,4,opt,name=keep_alive,json=keepAlive,proto3" json:"keep_alive,omitempty"`
+	AllowedIps   []string `protobuf:"bytes,5,rep,name=allowed_ips,json=allowedIps,proto3" json:"allowed_ips,omitempty"`
+}
+
+func (x *PeerConfig) Reset() {
+	*x = PeerConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_wireguard_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PeerConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PeerConfig) ProtoMessage() {}
+
+func (x *PeerConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_wireguard_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PeerConfig.ProtoReflect.Descriptor instead.
+func (*PeerConfig) Descriptor() ([]byte, []int) {
+	return file_proxy_wireguard_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *PeerConfig) GetPublicKey() string {
+	if x != nil {
+		return x.PublicKey
+	}
+	return ""
+}
+
+func (x *PeerConfig) GetPreSharedKey() string {
+	if x != nil {
+		return x.PreSharedKey
+	}
+	return ""
+}
+
+func (x *PeerConfig) GetEndpoint() string {
+	if x != nil {
+		return x.Endpoint
+	}
+	return ""
+}
+
+func (x *PeerConfig) GetKeepAlive() int32 {
+	if x != nil {
+		return x.KeepAlive
+	}
+	return 0
+}
+
+func (x *PeerConfig) GetAllowedIps() []string {
+	if x != nil {
+		return x.AllowedIps
+	}
+	return nil
+}
+
+type DeviceConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	SecretKey  string        `protobuf:"bytes,1,opt,name=secret_key,json=secretKey,proto3" json:"secret_key,omitempty"`
+	Endpoint   []string      `protobuf:"bytes,2,rep,name=endpoint,proto3" json:"endpoint,omitempty"`
+	Peers      []*PeerConfig `protobuf:"bytes,3,rep,name=peers,proto3" json:"peers,omitempty"`
+	Mtu        int32         `protobuf:"varint,4,opt,name=mtu,proto3" json:"mtu,omitempty"`
+	NumWorkers int32         `protobuf:"varint,5,opt,name=num_workers,json=numWorkers,proto3" json:"num_workers,omitempty"`
+	Reserved   []byte        `protobuf:"bytes,6,opt,name=reserved,proto3" json:"reserved,omitempty"`
+}
+
+func (x *DeviceConfig) Reset() {
+	*x = DeviceConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proxy_wireguard_config_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeviceConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeviceConfig) ProtoMessage() {}
+
+func (x *DeviceConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_proxy_wireguard_config_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeviceConfig.ProtoReflect.Descriptor instead.
+func (*DeviceConfig) Descriptor() ([]byte, []int) {
+	return file_proxy_wireguard_config_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *DeviceConfig) GetSecretKey() string {
+	if x != nil {
+		return x.SecretKey
+	}
+	return ""
+}
+
+func (x *DeviceConfig) GetEndpoint() []string {
+	if x != nil {
+		return x.Endpoint
+	}
+	return nil
+}
+
+func (x *DeviceConfig) GetPeers() []*PeerConfig {
+	if x != nil {
+		return x.Peers
+	}
+	return nil
+}
+
+func (x *DeviceConfig) GetMtu() int32 {
+	if x != nil {
+		return x.Mtu
+	}
+	return 0
+}
+
+func (x *DeviceConfig) GetNumWorkers() int32 {
+	if x != nil {
+		return x.NumWorkers
+	}
+	return 0
+}
+
+func (x *DeviceConfig) GetReserved() []byte {
+	if x != nil {
+		return x.Reserved
+	}
+	return nil
+}
+
+var File_proxy_wireguard_config_proto protoreflect.FileDescriptor
+
+var file_proxy_wireguard_config_proto_rawDesc = []byte{
+	0x0a, 0x1c, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x77, 0x69, 0x72, 0x65, 0x67, 0x75, 0x61, 0x72,
+	0x64, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x14,
+	0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x77, 0x69, 0x72, 0x65, 0x67,
+	0x75, 0x61, 0x72, 0x64, 0x22, 0xad, 0x01, 0x0a, 0x0a, 0x50, 0x65, 0x65, 0x72, 0x43, 0x6f, 0x6e,
+	0x66, 0x69, 0x67, 0x12, 0x1d, 0x0a, 0x0a, 0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x5f, 0x6b, 0x65,
+	0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x70, 0x75, 0x62, 0x6c, 0x69, 0x63, 0x4b,
+	0x65, 0x79, 0x12, 0x24, 0x0a, 0x0e, 0x70, 0x72, 0x65, 0x5f, 0x73, 0x68, 0x61, 0x72, 0x65, 0x64,
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+	0x68, 0x61, 0x72, 0x65, 0x64, 0x4b, 0x65, 0x79, 0x12, 0x1a, 0x0a, 0x08, 0x65, 0x6e, 0x64, 0x70,
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+	0x6f, 0x69, 0x6e, 0x74, 0x12, 0x1d, 0x0a, 0x0a, 0x6b, 0x65, 0x65, 0x70, 0x5f, 0x61, 0x6c, 0x69,
+	0x76, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x6b, 0x65, 0x65, 0x70, 0x41, 0x6c,
+	0x69, 0x76, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x65, 0x64, 0x5f, 0x69,
+	0x70, 0x73, 0x18, 0x05, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0a, 0x61, 0x6c, 0x6c, 0x6f, 0x77, 0x65,
+	0x64, 0x49, 0x70, 0x73, 0x22, 0xd0, 0x01, 0x0a, 0x0c, 0x44, 0x65, 0x76, 0x69, 0x63, 0x65, 0x43,
+	0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x1d, 0x0a, 0x0a, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74, 0x5f,
+	0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x73, 0x65, 0x63, 0x72, 0x65,
+	0x74, 0x4b, 0x65, 0x79, 0x12, 0x1a, 0x0a, 0x08, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74,
+	0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x08, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74,
+	0x12, 0x36, 0x0a, 0x05, 0x70, 0x65, 0x65, 0x72, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32,
+	0x20, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x77, 0x69, 0x72,
+	0x65, 0x67, 0x75, 0x61, 0x72, 0x64, 0x2e, 0x50, 0x65, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x67, 0x52, 0x05, 0x70, 0x65, 0x65, 0x72, 0x73, 0x12, 0x10, 0x0a, 0x03, 0x6d, 0x74, 0x75, 0x18,
+	0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x03, 0x6d, 0x74, 0x75, 0x12, 0x1f, 0x0a, 0x0b, 0x6e, 0x75,
+	0x6d, 0x5f, 0x77, 0x6f, 0x72, 0x6b, 0x65, 0x72, 0x73, 0x18, 0x05, 0x20, 0x01, 0x28, 0x05, 0x52,
+	0x0a, 0x6e, 0x75, 0x6d, 0x57, 0x6f, 0x72, 0x6b, 0x65, 0x72, 0x73, 0x12, 0x1a, 0x0a, 0x08, 0x72,
+	0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x08, 0x72,
+	0x65, 0x73, 0x65, 0x72, 0x76, 0x65, 0x64, 0x42, 0x5e, 0x0a, 0x18, 0x63, 0x6f, 0x6d, 0x2e, 0x78,
+	0x72, 0x61, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x77, 0x69, 0x72, 0x65, 0x67, 0x75,
+	0x61, 0x72, 0x64, 0x50, 0x01, 0x5a, 0x29, 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, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x77, 0x69, 0x72, 0x65, 0x67, 0x75, 0x61, 0x72, 0x64,
+	0xaa, 0x02, 0x14, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x57, 0x69,
+	0x72, 0x65, 0x47, 0x75, 0x61, 0x72, 0x64, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proxy_wireguard_config_proto_rawDescOnce sync.Once
+	file_proxy_wireguard_config_proto_rawDescData = file_proxy_wireguard_config_proto_rawDesc
+)
+
+func file_proxy_wireguard_config_proto_rawDescGZIP() []byte {
+	file_proxy_wireguard_config_proto_rawDescOnce.Do(func() {
+		file_proxy_wireguard_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_proxy_wireguard_config_proto_rawDescData)
+	})
+	return file_proxy_wireguard_config_proto_rawDescData
+}
+
+var file_proxy_wireguard_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_proxy_wireguard_config_proto_goTypes = []interface{}{
+	(*PeerConfig)(nil),   // 0: xray.proxy.wireguard.PeerConfig
+	(*DeviceConfig)(nil), // 1: xray.proxy.wireguard.DeviceConfig
+}
+var file_proxy_wireguard_config_proto_depIdxs = []int32{
+	0, // 0: xray.proxy.wireguard.DeviceConfig.peers:type_name -> xray.proxy.wireguard.PeerConfig
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_proxy_wireguard_config_proto_init() }
+func file_proxy_wireguard_config_proto_init() {
+	if File_proxy_wireguard_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proxy_wireguard_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*PeerConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proxy_wireguard_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeviceConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_proxy_wireguard_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_proxy_wireguard_config_proto_goTypes,
+		DependencyIndexes: file_proxy_wireguard_config_proto_depIdxs,
+		MessageInfos:      file_proxy_wireguard_config_proto_msgTypes,
+	}.Build()
+	File_proxy_wireguard_config_proto = out.File
+	file_proxy_wireguard_config_proto_rawDesc = nil
+	file_proxy_wireguard_config_proto_goTypes = nil
+	file_proxy_wireguard_config_proto_depIdxs = nil
+}
--- a/proxy/wireguard/config.proto
+++ b/proxy/wireguard/config.proto
@@ -0,0 +1,24 @@
+syntax = "proto3";
+
+package xray.proxy.wireguard;
+option csharp_namespace = "Xray.Proxy.WireGuard";
+option go_package = "github.com/xtls/xray-core/proxy/wireguard";
+option java_package = "com.xray.proxy.wireguard";
+option java_multiple_files = true;
+
+message PeerConfig {
+    string public_key = 1;
+    string pre_shared_key = 2;
+    string endpoint = 3;
+    int32 keep_alive = 4;
+    repeated string allowed_ips = 5;
+}
+
+message DeviceConfig {
+    string secret_key = 1;
+    repeated string endpoint = 2;
+    repeated PeerConfig peers = 3;
+    int32 mtu = 4;
+    int32 num_workers = 5;
+    bytes reserved = 6;
+}
--- a/proxy/wireguard/errors.generated.go
+++ b/proxy/wireguard/errors.generated.go
@@ -0,0 +1,9 @@
+package wireguard
+
+import "github.com/xtls/xray-core/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}
--- a/proxy/wireguard/tun.go
+++ b/proxy/wireguard/tun.go
@@ -0,0 +1,303 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2017-2022 WireGuard LLC. All Rights Reserved.
+ */
+
+package wireguard
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/netip"
+	"os"
+
+	"github.com/sagernet/wireguard-go/tun"
+	"github.com/xtls/xray-core/features/dns"
+	"gvisor.dev/gvisor/pkg/bufferv2"
+	"gvisor.dev/gvisor/pkg/tcpip"
+	"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
+	"gvisor.dev/gvisor/pkg/tcpip/header"
+	"gvisor.dev/gvisor/pkg/tcpip/link/channel"
+	"gvisor.dev/gvisor/pkg/tcpip/network/ipv4"
+	"gvisor.dev/gvisor/pkg/tcpip/network/ipv6"
+	"gvisor.dev/gvisor/pkg/tcpip/stack"
+	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
+	"gvisor.dev/gvisor/pkg/tcpip/transport/udp"
+)
+
+type netTun struct {
+	ep             *channel.Endpoint
+	stack          *stack.Stack
+	events         chan tun.Event
+	incomingPacket chan *bufferv2.View
+	mtu            int
+	dnsClient      dns.Client
+	hasV4, hasV6   bool
+}
+
+type Net netTun
+
+func CreateNetTUN(localAddresses []netip.Addr, dnsClient dns.Client, mtu int) (tun.Device, *Net, error) {
+	opts := stack.Options{
+		NetworkProtocols:   []stack.NetworkProtocolFactory{ipv4.NewProtocol, ipv6.NewProtocol},
+		TransportProtocols: []stack.TransportProtocolFactory{tcp.NewProtocol, udp.NewProtocol},
+		HandleLocal:        true,
+	}
+	dev := &netTun{
+		ep:             channel.New(1024, uint32(mtu), ""),
+		stack:          stack.New(opts),
+		events:         make(chan tun.Event, 10),
+		incomingPacket: make(chan *bufferv2.View),
+		dnsClient:      dnsClient,
+		mtu:            mtu,
+	}
+	dev.ep.AddNotify(dev)
+	tcpipErr := dev.stack.CreateNIC(1, dev.ep)
+	if tcpipErr != nil {
+		return nil, nil, fmt.Errorf("CreateNIC: %v", tcpipErr)
+	}
+	for _, ip := range localAddresses {
+		var protoNumber tcpip.NetworkProtocolNumber
+		if ip.Is4() {
+			protoNumber = ipv4.ProtocolNumber
+		} else if ip.Is6() {
+			protoNumber = ipv6.ProtocolNumber
+		}
+		protoAddr := tcpip.ProtocolAddress{
+			Protocol:          protoNumber,
+			AddressWithPrefix: tcpip.Address(ip.AsSlice()).WithPrefix(),
+		}
+		tcpipErr := dev.stack.AddProtocolAddress(1, protoAddr, stack.AddressProperties{})
+		if tcpipErr != nil {
+			return nil, nil, fmt.Errorf("AddProtocolAddress(%v): %v", ip, tcpipErr)
+		}
+		if ip.Is4() {
+			dev.hasV4 = true
+		} else if ip.Is6() {
+			dev.hasV6 = true
+		}
+	}
+	if dev.hasV4 {
+		dev.stack.AddRoute(tcpip.Route{Destination: header.IPv4EmptySubnet, NIC: 1})
+	}
+	if dev.hasV6 {
+		dev.stack.AddRoute(tcpip.Route{Destination: header.IPv6EmptySubnet, NIC: 1})
+	}
+
+	dev.events <- tun.EventUp
+	return dev, (*Net)(dev), nil
+}
+
+func (tun *netTun) Name() (string, error) {
+	return "go", nil
+}
+
+func (tun *netTun) File() *os.File {
+	return nil
+}
+
+func (tun *netTun) Events() chan tun.Event {
+	return tun.events
+}
+
+func (tun *netTun) Read(buf []byte, offset int) (int, error) {
+	view, ok := <-tun.incomingPacket
+	if !ok {
+		return 0, os.ErrClosed
+	}
+
+	return view.Read(buf[offset:])
+}
+
+func (tun *netTun) Write(buf []byte, offset int) (int, error) {
+	packet := buf[offset:]
+	if len(packet) == 0 {
+		return 0, nil
+	}
+
+	pkb := stack.NewPacketBuffer(stack.PacketBufferOptions{Payload: bufferv2.MakeWithData(packet)})
+	switch packet[0] >> 4 {
+	case 4:
+		tun.ep.InjectInbound(header.IPv4ProtocolNumber, pkb)
+	case 6:
+		tun.ep.InjectInbound(header.IPv6ProtocolNumber, pkb)
+	}
+
+	return len(buf), nil
+}
+
+func (tun *netTun) WriteNotify() {
+	pkt := tun.ep.Read()
+	if pkt == nil {
+		return
+	}
+
+	view := pkt.ToView()
+	pkt.DecRef()
+
+	tun.incomingPacket <- view
+}
+
+func (tun *netTun) Flush() error {
+	return nil
+}
+
+func (tun *netTun) Close() error {
+	tun.stack.RemoveNIC(1)
+
+	if tun.events != nil {
+		close(tun.events)
+	}
+
+	tun.ep.Close()
+
+	if tun.incomingPacket != nil {
+		close(tun.incomingPacket)
+	}
+
+	return nil
+}
+
+func (tun *netTun) MTU() (int, error) {
+	return tun.mtu, nil
+}
+
+func convertToFullAddr(endpoint netip.AddrPort) (tcpip.FullAddress, tcpip.NetworkProtocolNumber) {
+	var protoNumber tcpip.NetworkProtocolNumber
+	if endpoint.Addr().Is4() {
+		protoNumber = ipv4.ProtocolNumber
+	} else {
+		protoNumber = ipv6.ProtocolNumber
+	}
+	return tcpip.FullAddress{
+		NIC:  1,
+		Addr: tcpip.Address(endpoint.Addr().AsSlice()),
+		Port: endpoint.Port(),
+	}, protoNumber
+}
+
+func (net *Net) DialContextTCPAddrPort(ctx context.Context, addr netip.AddrPort) (*gonet.TCPConn, error) {
+	fa, pn := convertToFullAddr(addr)
+	return gonet.DialContextTCP(ctx, net.stack, fa, pn)
+}
+
+func (net *Net) DialContextTCP(ctx context.Context, addr *net.TCPAddr) (*gonet.TCPConn, error) {
+	if addr == nil {
+		return net.DialContextTCPAddrPort(ctx, netip.AddrPort{})
+	}
+	ip, _ := netip.AddrFromSlice(addr.IP)
+	return net.DialContextTCPAddrPort(ctx, netip.AddrPortFrom(ip, uint16(addr.Port)))
+}
+
+func (net *Net) DialTCPAddrPort(addr netip.AddrPort) (*gonet.TCPConn, error) {
+	fa, pn := convertToFullAddr(addr)
+	return gonet.DialTCP(net.stack, fa, pn)
+}
+
+func (net *Net) DialTCP(addr *net.TCPAddr) (*gonet.TCPConn, error) {
+	if addr == nil {
+		return net.DialTCPAddrPort(netip.AddrPort{})
+	}
+	ip, _ := netip.AddrFromSlice(addr.IP)
+	return net.DialTCPAddrPort(netip.AddrPortFrom(ip, uint16(addr.Port)))
+}
+
+func (net *Net) ListenTCPAddrPort(addr netip.AddrPort) (*gonet.TCPListener, error) {
+	fa, pn := convertToFullAddr(addr)
+	return gonet.ListenTCP(net.stack, fa, pn)
+}
+
+func (net *Net) ListenTCP(addr *net.TCPAddr) (*gonet.TCPListener, error) {
+	if addr == nil {
+		return net.ListenTCPAddrPort(netip.AddrPort{})
+	}
+	ip, _ := netip.AddrFromSlice(addr.IP)
+	return net.ListenTCPAddrPort(netip.AddrPortFrom(ip, uint16(addr.Port)))
+}
+
+func (net *Net) DialUDPAddrPort(laddr, raddr netip.AddrPort) (*gonet.UDPConn, error) {
+	var lfa, rfa *tcpip.FullAddress
+	var pn tcpip.NetworkProtocolNumber
+	if laddr.IsValid() || laddr.Port() > 0 {
+		var addr tcpip.FullAddress
+		addr, pn = convertToFullAddr(laddr)
+		lfa = &addr
+	}
+	if raddr.IsValid() || raddr.Port() > 0 {
+		var addr tcpip.FullAddress
+		addr, pn = convertToFullAddr(raddr)
+		rfa = &addr
+	}
+	return gonet.DialUDP(net.stack, lfa, rfa, pn)
+}
+
+func (net *Net) ListenUDPAddrPort(laddr netip.AddrPort) (*gonet.UDPConn, error) {
+	return net.DialUDPAddrPort(laddr, netip.AddrPort{})
+}
+
+func (net *Net) DialUDP(laddr, raddr *net.UDPAddr) (*gonet.UDPConn, error) {
+	var la, ra netip.AddrPort
+	if laddr != nil {
+		ip, _ := netip.AddrFromSlice(laddr.IP)
+		la = netip.AddrPortFrom(ip, uint16(laddr.Port))
+	}
+	if raddr != nil {
+		ip, _ := netip.AddrFromSlice(raddr.IP)
+		ra = netip.AddrPortFrom(ip, uint16(raddr.Port))
+	}
+	return net.DialUDPAddrPort(la, ra)
+}
+
+func (net *Net) ListenUDP(laddr *net.UDPAddr) (*gonet.UDPConn, error) {
+	return net.DialUDP(laddr, nil)
+}
+
+func (n *Net) HasV4() bool {
+	return n.hasV4
+}
+
+func (n *Net) HasV6() bool {
+	return n.hasV6
+}
+
+func IsDomainName(s string) bool {
+	l := len(s)
+	if l == 0 || l > 254 || l == 254 && s[l-1] != '.' {
+		return false
+	}
+	last := byte('.')
+	nonNumeric := false
+	partlen := 0
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		switch {
+		default:
+			return false
+		case 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || c == '_':
+			nonNumeric = true
+			partlen++
+		case '0' <= c && c <= '9':
+			partlen++
+		case c == '-':
+			if last == '.' {
+				return false
+			}
+			partlen++
+			nonNumeric = true
+		case c == '.':
+			if last == '.' || last == '-' {
+				return false
+			}
+			if partlen > 63 || partlen == 0 {
+				return false
+			}
+			partlen = 0
+		}
+		last = c
+	}
+	if last == '-' || partlen > 63 {
+		return false
+	}
+	return nonNumeric
+}
--- a/proxy/wireguard/wireguard.go
+++ b/proxy/wireguard/wireguard.go
@@ -0,0 +1,264 @@
+/*
+
+Some of codes are copied from https://github.com/octeep/wireproxy, license below.
+
+Copyright (c) 2022 Wind T.F. Wong <octeep@pm.me>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+*/
+
+package wireguard
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/netip"
+	"strings"
+
+	"github.com/sagernet/wireguard-go/device"
+	"github.com/xtls/xray-core/common"
+	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/log"
+	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/protocol"
+	"github.com/xtls/xray-core/common/session"
+	"github.com/xtls/xray-core/common/signal"
+	"github.com/xtls/xray-core/common/task"
+	"github.com/xtls/xray-core/core"
+	"github.com/xtls/xray-core/features/dns"
+	"github.com/xtls/xray-core/features/policy"
+	"github.com/xtls/xray-core/transport"
+	"github.com/xtls/xray-core/transport/internet"
+)
+
+// Handler is an outbound connection that silently swallow the entire payload.
+type Handler struct {
+	conf          *DeviceConfig
+	net           *Net
+	bind          *netBindClient
+	policyManager policy.Manager
+	dns           dns.Client
+	// cached configuration
+	ipc       string
+	endpoints []netip.Addr
+}
+
+// New creates a new wireguard handler.
+func New(ctx context.Context, conf *DeviceConfig) (*Handler, error) {
+	v := core.MustFromContext(ctx)
+
+	endpoints, err := parseEndpoints(conf)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Handler{
+		conf:          conf,
+		policyManager: v.GetFeature(policy.ManagerType()).(policy.Manager),
+		dns:           v.GetFeature(dns.ClientType()).(dns.Client),
+		ipc:           createIPCRequest(conf),
+		endpoints:     endpoints,
+	}, nil
+}
+
+// Process implements OutboundHandler.Dispatch().
+func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer internet.Dialer) error {
+	if h.bind == nil || h.bind.dialer != dialer || h.net == nil {
+		log.Record(&log.GeneralMessage{
+			Severity: log.Severity_Info,
+			Content:  "switching dialer",
+		})
+		// bind := conn.NewStdNetBind() // TODO: conn.Bind wrapper for dialer
+		bind := &netBindClient{
+			dialer:   dialer,
+			workers:  int(h.conf.NumWorkers),
+			dns:      h.dns,
+			reserved: h.conf.Reserved,
+		}
+
+		net, err := h.makeVirtualTun(bind)
+		if err != nil {
+			bind.Close()
+			return newError("failed to create virtual tun interface").Base(err)
+		}
+
+		h.net = net
+		if h.bind != nil {
+			h.bind.Close()
+		}
+		h.bind = bind
+	}
+
+	outbound := session.OutboundFromContext(ctx)
+	if outbound == nil || !outbound.Target.IsValid() {
+		return newError("target not specified")
+	}
+	// Destination of the inner request.
+	destination := outbound.Target
+	command := protocol.RequestCommandTCP
+	if destination.Network == net.Network_UDP {
+		command = protocol.RequestCommandUDP
+	}
+
+	// resolve dns
+	addr := destination.Address
+	if addr.Family().IsDomain() {
+		ips, err := h.dns.LookupIP(addr.Domain(), dns.IPOption{
+			IPv4Enable: h.net.HasV4(),
+			IPv6Enable: h.net.HasV6(),
+		})
+		if err != nil {
+			return newError("failed to lookup DNS").Base(err)
+		} else if len(ips) == 0 {
+			return dns.ErrEmptyResponse
+		}
+		addr = net.IPAddress(ips[0])
+	}
+
+	p := h.policyManager.ForLevel(0)
+
+	ctx, cancel := context.WithCancel(ctx)
+	timer := signal.CancelAfterInactivity(ctx, cancel, p.Timeouts.ConnectionIdle)
+	addrPort := netip.AddrPortFrom(toNetIpAddr(addr), destination.Port.Value())
+
+	var requestFunc func() error
+	var responseFunc func() error
+
+	if command == protocol.RequestCommandTCP {
+		conn, err := h.net.DialContextTCPAddrPort(ctx, addrPort)
+		if err != nil {
+			return newError("failed to create TCP connection").Base(err)
+		}
+
+		requestFunc = func() error {
+			defer timer.SetTimeout(p.Timeouts.DownlinkOnly)
+			return buf.Copy(link.Reader, buf.NewWriter(conn), buf.UpdateActivity(timer))
+		}
+		responseFunc = func() error {
+			defer timer.SetTimeout(p.Timeouts.UplinkOnly)
+			return buf.Copy(buf.NewReader(conn), link.Writer, buf.UpdateActivity(timer))
+		}
+	} else if command == protocol.RequestCommandUDP {
+		conn, err := h.net.DialUDPAddrPort(netip.AddrPort{}, addrPort)
+		if err != nil {
+			return newError("failed to create UDP connection").Base(err)
+		}
+
+		requestFunc = func() error {
+			defer timer.SetTimeout(p.Timeouts.DownlinkOnly)
+			return buf.Copy(link.Reader, buf.NewWriter(conn), buf.UpdateActivity(timer))
+		}
+		responseFunc = func() error {
+			defer timer.SetTimeout(p.Timeouts.UplinkOnly)
+			return buf.Copy(buf.NewReader(conn), link.Writer, buf.UpdateActivity(timer))
+		}
+	}
+
+	responseDonePost := task.OnSuccess(responseFunc, task.Close(link.Writer))
+	if err := task.Run(ctx, requestFunc, responseDonePost); err != nil {
+		return newError("connection ends").Base(err)
+	}
+
+	return nil
+}
+
+// serialize the config into an IPC request
+func createIPCRequest(conf *DeviceConfig) string {
+	var request bytes.Buffer
+
+	request.WriteString(fmt.Sprintf("private_key=%s\n", conf.SecretKey))
+
+	for _, peer := range conf.Peers {
+		request.WriteString(fmt.Sprintf("public_key=%s\nendpoint=%s\npersistent_keepalive_interval=%d\npreshared_key=%s\n",
+			peer.PublicKey, peer.Endpoint, peer.KeepAlive, peer.PreSharedKey))
+
+		for _, ip := range peer.AllowedIps {
+			request.WriteString(fmt.Sprintf("allowed_ip=%s\n", ip))
+		}
+	}
+
+	return request.String()[:request.Len()]
+}
+
+// convert endpoint string to netip.Addr
+func parseEndpoints(conf *DeviceConfig) ([]netip.Addr, error) {
+	endpoints := make([]netip.Addr, len(conf.Endpoint))
+	for i, str := range conf.Endpoint {
+		var addr netip.Addr
+		if strings.Contains(str, "/") {
+			prefix, err := netip.ParsePrefix(str)
+			if err != nil {
+				return nil, err
+			}
+			addr = prefix.Addr()
+			if prefix.Bits() != addr.BitLen() {
+				return nil, newError("interface address subnet should be /32 for IPv4 and /128 for IPv6")
+			}
+		} else {
+			var err error
+			addr, err = netip.ParseAddr(str)
+			if err != nil {
+				return nil, err
+			}
+		}
+		endpoints[i] = addr
+	}
+
+	return endpoints, nil
+}
+
+// creates a tun interface on netstack given a configuration
+func (h *Handler) makeVirtualTun(bind *netBindClient) (*Net, error) {
+	tun, tnet, err := CreateNetTUN(h.endpoints, h.dns, int(h.conf.Mtu))
+	if err != nil {
+		return nil, err
+	}
+
+	bind.dnsOption.IPv4Enable = tnet.HasV4()
+	bind.dnsOption.IPv6Enable = tnet.HasV6()
+
+	// dev := device.NewDevice(tun, conn.NewDefaultBind(), nil /* device.NewLogger(device.LogLevelVerbose, "") */)
+	dev := device.NewDevice(tun, bind, &device.Logger{
+		Verbosef: func(format string, args ...any) {
+			log.Record(&log.GeneralMessage{
+				Severity: log.Severity_Debug,
+				Content:  fmt.Sprintf(format, args...),
+			})
+		},
+		Errorf: func(format string, args ...any) {
+			log.Record(&log.GeneralMessage{
+				Severity: log.Severity_Error,
+				Content:  fmt.Sprintf(format, args...),
+			})
+		},
+	}, int(h.conf.NumWorkers))
+	err = dev.IpcSet(h.ipc)
+	if err != nil {
+		return nil, err
+	}
+
+	err = dev.Up()
+	if err != nil {
+		return nil, err
+	}
+
+	return tnet, nil
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*DeviceConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		return New(ctx, config.(*DeviceConfig))
+	}))
+}
--- a/Show More
+++ b/Show More