Split utls library

Add uTLS support for shadowtls
Add config check
2023-02-21 23:00:30 +08:00 · 2023-02-21 20:48:18 +08:00 · 2023-02-21 19:48:09 +08:00 · 2023-02-21 19:19:47 +08:00
286 changed files with 6398 additions and 4127 deletions
@@ -22,7 +22,6 @@
  "linux-ppc64le": { "friendlyName": "linux-ppc64le" },
  "linux-ppc64": { "friendlyName": "linux-ppc64" },
  "linux-riscv64": { "friendlyName": "linux-riscv64" },
-  "linux-loong64": { "friendlyName": "linux-loong64" },
  "linux-s390x": { "friendlyName": "linux-s390x" },
  "openbsd-386": { "friendlyName": "openbsd-32" },
  "openbsd-amd64": { "friendlyName": "openbsd-64" },
@@ -32,4 +31,4 @@
  "windows-amd64": { "friendlyName": "windows-64" },
  "windows-arm64": { "friendlyName": "windows-arm64-v8a" },
  "windows-arm7": { "friendlyName": "windows-arm32-v7a" }
-}
+}
@@ -1,22 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM --platform=$BUILDPLATFORM golang:alpine AS build
-WORKDIR /src
-COPY . .
-ARG TARGETOS TARGETARCH
-RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
-
-FROM --platform=${TARGETPLATFORM} alpine:latest
-WORKDIR /root
-COPY .github/docker/files/config.json /etc/xray/config.json
-COPY --from=build /src/xray /usr/bin/xray
-RUN set -ex \
-	&& apk add --no-cache tzdata ca-certificates \
-	&& mkdir -p /var/log/xray /usr/share/xray \
-    && chmod +x /usr/bin/xray \
-	&& wget -O /usr/share/xray/geosite.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geosite.dat \
-	&& wget -O /usr/share/xray/geoip.dat https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/geoip.dat
-
-VOLUME /etc/xray
-ENV TZ=Asia/Shanghai
-ENTRYPOINT [ "/usr/bin/xray" ]
-CMD [ "-config", "/etc/xray/config.json" ]
@@ -1,18 +0,0 @@
-{
-  "inbounds": [{
-    "port": 9000,
-    "protocol": "vmess",
-    "settings": {
-      "clients": [
-        {
-          "id": "1eb6e917-774b-4a84-aff6-b058577c60a5",
-          "level": 1
-        }
-      ]
-    }
-  }],
-  "outbounds": [{
-    "protocol": "freedom",
-    "settings": {}
-  }]
-}
@@ -1,45 +0,0 @@
-name: Build docker image
-
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  build-image:
-    runs-on: ubuntu-latest
-    permissions:
-      packages: write
-    steps:
-      - uses: actions/checkout@v3
-      - name: Docker metadata
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: ghcr.io/${{ github.repository_owner }}/xray-core
-          flavor: latest=true
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=semver,pattern={{version}}
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - # Add support for more platforms with QEMU (optional)
-        # https://github.com/docker/setup-qemu-action
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-      - name: Build and push
-        uses: docker/build-push-action@v4
-        with:
-          context: .
-          platforms: linux/amd64,linux/arm64
-          file: .github/docker/Dockerfile
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
@@ -20,51 +20,7 @@ on:
      - "go.sum"
      - ".github/workflows/*.yml"
 jobs:
-  prepare:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Restore Cache
-        uses: actions/cache/restore@v3
-        with:
-          path: resources
-          key: xray-geodat-
-
-      - name: Update Geodat
-        id: update
-        uses: nick-fields/retry@v2
-        with:
-          timeout_minutes: 60
-          retry_wait_seconds: 60
-          max_attempts: 60
-          command: |
-            [ -d 'resources' ] || mkdir resources
-            LIST=('geoip geoip geoip' 'domain-list-community dlc geosite')
-            for i in "${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 }}-${{ github.run_number }}
-
  build:
-    needs: prepare
    permissions:
      contents: write
    strategy:
@@ -105,14 +61,12 @@ jobs:
            goarch: arm
            goarm: 7
          # BEGIN Other architectures
-          # BEGIN riscv64 & ARM64 & LOONG64
+          # BEGIN riscv64 & ARM64
          - goos: linux
            goarch: arm64
          - goos: linux
            goarch: riscv64
-          - goos: linux
-            goarch: loong64
-          # END riscv64 & ARM64 & LOONG64
+          # END riscv64 & ARM64
          # BEGIN MIPS
          - goos: linux
            goarch: mips64
@@ -167,9 +121,9 @@ jobs:
          echo "ASSET_NAME=$_NAME" >> $GITHUB_ENV

      - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v3
        with:
-          go-version: '1.21'
+          go-version: '1.20'
          check-latest: true

      - name: Get project dependencies
@@ -206,17 +160,26 @@ jobs:
          cd ./build_assets || exit 1
          mv xray xray.exe

-      - name: Restore Cache
-        uses: actions/cache/restore@v3
+      - name: Prepare to release
+        uses: nick-fields/retry@v2
        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
+          timeout_minutes: 60
+          retry_wait_seconds: 60
+          max_attempts: 60
+          command: |
+            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,$3}'))
+              FILE_NAME="${INFO[2]}.dat"
+              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 ./build_assets/${FILE_NAME}
+              echo -e "Verifying HASH key..."
+              HASH="$(curl -sL "https://raw.githubusercontent.com/v2fly/${INFO[0]}/release/${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
@@ -28,17 +28,24 @@ jobs:
        os: [windows-latest, ubuntu-latest, macos-latest]
    steps:
      - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v3
        with:
-          go-version: '1.21'
+          go-version: '1.20'
          check-latest: true
      - name: Checkout codebase
        uses: actions/checkout@v3
-      - name: Restore Cache
-        uses: actions/cache/restore@v3
-        with:
-          path: resources
-          key: xray-geodat-
-          enableCrossOsArchive: true
+
+      - 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: Test
        run: go test -timeout 1h -v ./...
@@ -1,122 +1,78 @@
 # Project X

-[Project X](https://github.com/XTLS) originates from XTLS protocol, providing a set of network tools such as [Xray-core](https://github.com/XTLS/Xray-core) and [REALITY](https://github.com/XTLS/REALITY).
-
-[README](https://github.com/XTLS/Xray-core#readme) is open, so feel free to submit your project [here](https://github.com/XTLS/Xray-core/pulls).
+[Project X](https://github.com/XTLS) originates from XTLS protocol, provides a set of network tools such as [Xray-core](https://github.com/XTLS/Xray-core).

 ## License

 [Mozilla Public License Version 2.0](https://github.com/XTLS/Xray-core/blob/main/LICENSE)

-## Documentation
-
-[Project X Official Website](https://xtls.github.io)
-
-## Telegram
-
-[Project X](https://t.me/projectXray)
-
-[Project X Channel](https://t.me/projectXtls)
-
 ## Installation

 - Linux Script
-  - [XTLS/Xray-install](https://github.com/XTLS/Xray-install)
+  - [Xray-install](https://github.com/XTLS/Xray-install)
+  - [Xray-script](https://github.com/kirin10000/Xray-script)
 - Docker
-  - [iamybj/docker-xray](https://hub.docker.com/r/iamybj/docker-xray)
  - [teddysun/xray](https://hub.docker.com/r/teddysun/xray)
- Web Panel
-  - [X-UI](https://github.com/FranzKafkaYu/x-ui), [X-UI-English](https://github.com/NidukaAkalanka/x-ui-english), [3X-UI](https://github.com/MHSanaei/3x-ui), [X-UI](https://github.com/alireza0/x-ui), [X-UI](https://github.com/diditra/x-ui)
-  - [Xray-UI](https://github.com/qist/xray-ui), [X-UI](https://github.com/sing-web/x-ui)
-  - [Hiddify](https://github.com/hiddify/hiddify-config)
-  - [Marzban](https://github.com/Gozargah/Marzban)
-  - [Libertea](https://github.com/VZiChoushaDui/Libertea)
 - One Click
-  - [Xray-REALITY](https://github.com/zxcvos/Xray-script), [xray-reality](https://github.com/sajjaddg/xray-reality), [reality-ezpz](https://github.com/aleskxyz/reality-ezpz)
-  - [Xray-script](https://github.com/kirin10000/Xray-script), [Xray_bash_onekey](https://github.com/hello-yunshu/Xray_bash_onekey), [XTool](https://github.com/LordPenguin666/XTool)
-  - [v2ray-agent](https://github.com/mack-a/v2ray-agent), [Xray_onekey](https://github.com/wulabing/Xray_onekey), [ProxySU](https://github.com/proxysu/ProxySU)
+  - [ProxySU](https://github.com/proxysu/ProxySU)
+  - [v2ray-agent](https://github.com/mack-a/v2ray-agent)
+  - [Xray-yes](https://github.com/jiuqi9997/Xray-yes)
+  - [Xray_onekey](https://github.com/wulabing/Xray_onekey)
 - Magisk
-  - [Xray4Magisk](https://github.com/Asterisk4Magisk/Xray4Magisk)
+  - [Xray4Magisk](https://github.com/CerteKim/Xray4Magisk)
  - [Xray_For_Magisk](https://github.com/E7KMbb/Xray_For_Magisk)
 - Homebrew
  - `brew install xray`
+  - [(Tap) Repository 0](https://github.com/N4FA/homebrew-xray)
+  - [(Tap) Repository 1](https://github.com/xiruizhao/homebrew-xray)
+
+## Contributing
+[Code Of Conduct](https://github.com/XTLS/Xray-core/blob/main/CODE_OF_CONDUCT.md)

 ## Usage

- Example
-  - [VLESS-XTLS-uTLS-REALITY](https://github.com/XTLS/REALITY#readme)
-  - [VLESS-TCP-XTLS-Vision](https://github.com/XTLS/Xray-examples/tree/main/VLESS-TCP-XTLS-Vision)
-  - [All-in-One-fallbacks-Nginx](https://github.com/XTLS/Xray-examples/tree/main/All-in-One-fallbacks-Nginx)
- Xray-examples
-  - [XTLS/Xray-examples](https://github.com/XTLS/Xray-examples)
-  - [chika0801/Xray-examples](https://github.com/chika0801/Xray-examples)
-  - [lxhao61/integrated-examples](https://github.com/lxhao61/integrated-examples)
- Tutorial
-  - [XTLS Vision](https://github.com/chika0801/Xray-install)
-  - [REALITY (English)](https://cscot.pages.dev/2023/03/02/Xray-REALITY-tutorial/)
-  - [XTLS-Iran-Reality (English)](https://github.com/SasukeFreestyle/XTLS-Iran-Reality)
-  - [Xray REALITY with 'steal oneself' (English)](https://computerscot.github.io/vless-xtls-utls-reality-steal-oneself.html)
+[Xray-examples](https://github.com/XTLS/Xray-examples) / [VLESS-TCP-XTLS-WHATEVER](https://github.com/XTLS/Xray-examples/tree/main/VLESS-TCP-XTLS-WHATEVER)

 ## GUI Clients

 - OpenWrt
-  - [PassWall](https://github.com/xiaorouji/openwrt-passwall), [PassWall 2](https://github.com/xiaorouji/openwrt-passwall2)
+  - [PassWall](https://github.com/xiaorouji/openwrt-passwall)
+  - [Hello World](https://github.com/jerrykuku/luci-app-vssr)
  - [ShadowSocksR Plus+](https://github.com/fw876/helloworld)
  - [luci-app-xray](https://github.com/yichya/luci-app-xray) ([openwrt-xray](https://github.com/yichya/openwrt-xray))
 - Windows
  - [v2rayN](https://github.com/2dust/v2rayN)
-  - [NekoRay](https://github.com/Matsuridayo/nekoray)
-  - [Furious](https://github.com/LorenEteval/Furious)
-  - [HiddifyN](https://github.com/hiddify/HiddifyN)
-  - [Invisible Man - Xray](https://github.com/InvisibleManVPN/InvisibleMan-XRayClient)
+  - [Qv2ray](https://github.com/Qv2ray/Qv2ray) (This project had been archived and currently inactive)
+  - [Netch (NetFilter & TUN/TAP)](https://github.com/NetchX/Netch) (This project had been archived and currently inactive)
 - Android
  - [v2rayNG](https://github.com/2dust/v2rayNG)
-  - [HiddifyNG](https://github.com/hiddify/HiddifyNG)
-  - [X-flutter](https://github.com/XTLS/X-flutter)
- iOS & macOS arm64
-  - [Mango](https://github.com/arror/Mango)
-  - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
- macOS arm64 & x64
-  - [V2rayU](https://github.com/yanue/V2rayU)
-  - [V2RayXS](https://github.com/tzmax/V2RayXS)
-  - [Furious](https://github.com/LorenEteval/Furious)
-  - [FoXray](https://apps.apple.com/app/foxray/id6448898396)
- Linux
-  - [v2rayA](https://github.com/v2rayA/v2rayA)
-  - [NekoRay](https://github.com/Matsuridayo/nekoray)
-  - [Furious](https://github.com/LorenEteval/Furious)
-
-## Others that support VLESS, XTLS, REALITY, XUDP, PLUX...
-
- iOS & macOS arm64
+  - [Kitsunebi](https://github.com/rurirei/Kitsunebi/tree/release_xtls)
+- iOS & macOS (with M1 chip)
  - [Shadowrocket](https://apps.apple.com/app/shadowrocket/id932747118)
- Xray Wrapper
-  - [XTLS/libXray](https://github.com/XTLS/libXray)
-  - [xtlsapi](https://github.com/hiddify/xtlsapi)
-  - [AndroidLibXrayLite](https://github.com/2dust/AndroidLibXrayLite)
-  - [XrayKit](https://github.com/arror/XrayKit)
-  - [Xray-core-python](https://github.com/LorenEteval/Xray-core-python)
- [XrayR](https://github.com/XrayR-project/XrayR)
-  - [XrayR-release](https://github.com/XrayR-project/XrayR-release)
-  - [XrayR-V2Board](https://github.com/missuo/XrayR-V2Board)
- [Clash.Meta](https://github.com/MetaCubeX/Clash.Meta)
-  - [Clash Verge](https://github.com/zzzgydi/clash-verge)
-  - [clashN](https://github.com/2dust/clashN)
-  - [Clash Meta for Android](https://github.com/MetaCubeX/ClashMetaForAndroid)
-  - [meta_for_ios](https://t.me/meta_for_ios)
- [sing-box](https://github.com/SagerNet/sing-box)
-  - [installReality](https://github.com/BoxXt/installReality)
-  - [sbox-reality](https://github.com/Misaka-blog/sbox-reality)
-  - [sing-box-for-ios](https://github.com/SagerNet/sing-box-for-ios)
-
-## Contributing
-
-[Code of Conduct](https://github.com/XTLS/Xray-core/blob/main/CODE_OF_CONDUCT.md)
+  - [Stash](https://apps.apple.com/app/stash/id1596063349)
+- macOS (Intel chip & M1 chip)
+  - [Qv2ray](https://github.com/Qv2ray/Qv2ray) (This project had been archived and currently inactive)
+  - [V2RayXS](https://github.com/tzmax/V2RayXS)

 ## Credits

- [Xray-core v1.0.0](https://github.com/XTLS/Xray-core/releases/tag/v1.0.0) was forked from [v2fly-core 9a03cc5](https://github.com/v2fly/v2ray-core/commit/9a03cc5c98d04cc28320fcee26dbc236b3291256), and we have made & accumulated a huge number of enhancements over time, check [the release notes for each version](https://github.com/XTLS/Xray-core/releases).
- For third-party projects used in [Xray-core](https://github.com/XTLS/Xray-core), check your local or [the latest go.mod](https://github.com/XTLS/Xray-core/blob/main/go.mod).
+This repo relies on the following third-party projects:
+
+- Special thanks:
+  - [v2fly/v2ray-core](https://github.com/v2fly/v2ray-core)
+- In production:
+  - [ghodss/yaml](https://github.com/ghodss/yaml)
+  - [gorilla/websocket](https://github.com/gorilla/websocket)
+  - [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)
+  - [seiflotfy/cuckoofilter](https://github.com/seiflotfy/cuckoofilter)
+  - [google/starlark-go](https://github.com/google/starlark-go)
+- For testing only:
+  - [miekg/dns](https://github.com/miekg/dns)
+  - [stretchr/testify](https://github.com/stretchr/testify)
+  - [h12w/socks](https://github.com/h12w/socks)

 ## Compilation

@@ -132,6 +88,12 @@ go build -o xray.exe -trimpath -ldflags "-s -w -buildid=" ./main
 go build -o xray -trimpath -ldflags "-s -w -buildid=" ./main
 ```

+## Telegram
+
+[Project X](https://t.me/projectXray)
+
+[Project X Channel](https://t.me/projectXtls)
+
 ## Stargazers over time

 [![Stargazers over time](https://starchart.cc/XTLS/Xray-core.svg)](https://starchart.cc/XTLS/Xray-core)
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/commander/config.proto

 package commander
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/dispatcher/config.proto

 package dispatcher
@@ -4,6 +4,7 @@ package dispatcher

 import (
 	"context"
+	"fmt"
 	"strings"
 	"sync"
 	"time"
@@ -134,10 +135,77 @@ func (*DefaultDispatcher) Start() error {
 // Close implements common.Closable.
 func (*DefaultDispatcher) Close() error { return nil }

-func (d *DefaultDispatcher) getLink(ctx context.Context) (*transport.Link, *transport.Link) {
-	opt := pipe.OptionsFromContext(ctx)
-	uplinkReader, uplinkWriter := pipe.New(opt...)
-	downlinkReader, downlinkWriter := pipe.New(opt...)
+func (d *DefaultDispatcher) getLink(ctx context.Context, network net.Network, sniffing session.SniffingRequest) (*transport.Link, *transport.Link) {
+	downOpt := pipe.OptionsFromContext(ctx)
+	upOpt := downOpt
+
+	if network == net.Network_UDP {
+		var ip2domain *sync.Map // net.IP.String() => domain, this map is used by server side when client turn on fakedns
+		// Client will send domain address in the buffer.UDP.Address, server record all possible target IP addrs.
+		// When target replies, server will restore the domain and send back to client.
+		// Note: this map is not global but per connection context
+		upOpt = append(upOpt, pipe.OnTransmission(func(mb buf.MultiBuffer) buf.MultiBuffer {
+			for i, buffer := range mb {
+				if buffer.UDP == nil {
+					continue
+				}
+				addr := buffer.UDP.Address
+				if addr.Family().IsIP() {
+					if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && fkr0.IsIPInIPPool(addr) && sniffing.Enabled {
+						domain := fkr0.GetDomainFromFakeDNS(addr)
+						if len(domain) > 0 {
+							buffer.UDP.Address = net.DomainAddress(domain)
+							newError("[fakedns client] override with domain: ", domain, " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
+						} else {
+							newError("[fakedns client] failed to find domain! :", addr.String(), " for xUDP buffer at ", i).AtWarning().WriteToLog(session.ExportIDToError(ctx))
+						}
+					}
+				} else {
+					if ip2domain == nil {
+						ip2domain = new(sync.Map)
+						newError("[fakedns client] create a new map").WriteToLog(session.ExportIDToError(ctx))
+					}
+					domain := addr.Domain()
+					ips, err := d.dns.LookupIP(domain, dns.IPOption{true, true, false})
+					if err == nil {
+						for _, ip := range ips {
+							ip2domain.Store(ip.String(), domain)
+						}
+						newError("[fakedns client] candidate ip: "+fmt.Sprintf("%v", ips), " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
+					} else {
+						newError("[fakedns client] failed to look up IP for ", domain, " for xUDP buffer at ", i).Base(err).WriteToLog(session.ExportIDToError(ctx))
+					}
+				}
+			}
+			return mb
+		}))
+		downOpt = append(downOpt, pipe.OnTransmission(func(mb buf.MultiBuffer) buf.MultiBuffer {
+			for i, buffer := range mb {
+				if buffer.UDP == nil {
+					continue
+				}
+				addr := buffer.UDP.Address
+				if addr.Family().IsIP() {
+					if ip2domain == nil {
+						continue
+					}
+					if domain, found := ip2domain.Load(addr.IP().String()); found {
+						buffer.UDP.Address = net.DomainAddress(domain.(string))
+						newError("[fakedns client] restore domain: ", domain.(string), " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
+					}
+				} else {
+					if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok {
+						fakeIp := fkr0.GetFakeIPForDomain(addr.Domain())
+						buffer.UDP.Address = fakeIp[0]
+						newError("[fakedns client] restore FakeIP: ", buffer.UDP, fmt.Sprintf("%v", fakeIp), " for xUDP buffer at ", i).WriteToLog(session.ExportIDToError(ctx))
+					}
+				}
+			}
+			return mb
+		}))
+	}
+	uplinkReader, uplinkWriter := pipe.New(upOpt...)
+	downlinkReader, downlinkWriter := pipe.New(downOpt...)

 	inboundLink := &transport.Link{
 		Reader: downlinkReader,
@@ -195,7 +263,7 @@ func (d *DefaultDispatcher) shouldOverride(ctx context.Context, result SniffResu
 		protocolString = resComp.ProtocolForDomainResult()
 	}
 	for _, p := range request.OverrideDestinationForProtocol {
-		if strings.HasPrefix(protocolString, p) || strings.HasPrefix(protocolString, p) {
+		if strings.HasPrefix(protocolString, p) {
 			return true
 		}
 		if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && protocolString != "bittorrent" && p == "fakedns" &&
@@ -219,8 +287,7 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
 		panic("Dispatcher: Invalid destination.")
 	}
 	ob := &session.Outbound{
-		OriginalTarget: destination,
-		Target:         destination,
+		Target: destination,
 	}
 	ctx = session.ContextWithOutbound(ctx, ob)
 	content := session.ContentFromContext(ctx)
@@ -228,8 +295,9 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
 		content = new(session.Content)
 		ctx = session.ContextWithContent(ctx, content)
 	}
+
 	sniffingRequest := content.SniffingRequest
-	inbound, outbound := d.getLink(ctx)
+	inbound, outbound := d.getLink(ctx, destination.Network, sniffingRequest)
 	if !sniffingRequest.Enabled {
 		go d.routedDispatch(ctx, outbound, destination)
 	} else {
@@ -246,15 +314,7 @@ func (d *DefaultDispatcher) Dispatch(ctx context.Context, destination net.Destin
 				domain := result.Domain()
 				newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
 				destination.Address = net.ParseAddress(domain)
-				protocol := result.Protocol()
-				if resComp, ok := result.(SnifferResultComposite); ok {
-					protocol = resComp.ProtocolForDomainResult()
-				}
-				isFakeIP := false
-				if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && ob.Target.Address.Family().IsIP() && fkr0.IsIPInIPPool(ob.Target.Address) {
-					isFakeIP = true
-				}
-				if sniffingRequest.RouteOnly && protocol != "fakedns" && protocol != "fakedns+others" && !isFakeIP {
+				if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
 					ob.RouteTarget = destination
 				} else {
 					ob.Target = destination
@@ -272,8 +332,7 @@ func (d *DefaultDispatcher) DispatchLink(ctx context.Context, destination net.De
 		return newError("Dispatcher: Invalid destination.")
 	}
 	ob := &session.Outbound{
-		OriginalTarget: destination,
-		Target:         destination,
+		Target: destination,
 	}
 	ctx = session.ContextWithOutbound(ctx, ob)
 	content := session.ContentFromContext(ctx)
@@ -283,35 +342,29 @@ func (d *DefaultDispatcher) DispatchLink(ctx context.Context, destination net.De
 	}
 	sniffingRequest := content.SniffingRequest
 	if !sniffingRequest.Enabled {
-		d.routedDispatch(ctx, outbound, destination)
+		go d.routedDispatch(ctx, outbound, destination)
 	} else {
-		cReader := &cachedReader{
-			reader: outbound.Reader.(*pipe.Reader),
-		}
-		outbound.Reader = cReader
-		result, err := sniffer(ctx, cReader, sniffingRequest.MetadataOnly, destination.Network)
-		if err == nil {
-			content.Protocol = result.Protocol()
-		}
-		if err == nil && d.shouldOverride(ctx, result, sniffingRequest, destination) {
-			domain := result.Domain()
-			newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
-			destination.Address = net.ParseAddress(domain)
-			protocol := result.Protocol()
-			if resComp, ok := result.(SnifferResultComposite); ok {
-				protocol = resComp.ProtocolForDomainResult()
+		go func() {
+			cReader := &cachedReader{
+				reader: outbound.Reader.(*pipe.Reader),
 			}
-			isFakeIP := false
-			if fkr0, ok := d.fdns.(dns.FakeDNSEngineRev0); ok && ob.Target.Address.Family().IsIP() && fkr0.IsIPInIPPool(ob.Target.Address) {
-				isFakeIP = true
+			outbound.Reader = cReader
+			result, err := sniffer(ctx, cReader, sniffingRequest.MetadataOnly, destination.Network)
+			if err == nil {
+				content.Protocol = result.Protocol()
 			}
-			if sniffingRequest.RouteOnly && protocol != "fakedns" && protocol != "fakedns+others" && !isFakeIP {
-				ob.RouteTarget = destination
-			} else {
-				ob.Target = destination
+			if err == nil && d.shouldOverride(ctx, result, sniffingRequest, destination) {
+				domain := result.Domain()
+				newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
+				destination.Address = net.ParseAddress(domain)
+				if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
+					ob.RouteTarget = destination
+				} else {
+					ob.Target = destination
+				}
 			}
-		}
-		d.routedDispatch(ctx, outbound, destination)
+			d.routedDispatch(ctx, outbound, destination)
+		}()
 	}

 	return nil
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/dns/config.proto

 package dns
@@ -219,14 +219,14 @@ type Config struct {
 	// the moment. A special value 'localhost' as a domain address can be set to
 	// use DNS on local system.
 	//
-	// Deprecated: Marked as deprecated in app/dns/config.proto.
+	// Deprecated: Do not use.
 	NameServers []*net.Endpoint `protobuf:"bytes,1,rep,name=NameServers,proto3" json:"NameServers,omitempty"`
 	// NameServer list used by this DNS client.
 	NameServer []*NameServer `protobuf:"bytes,5,rep,name=name_server,json=nameServer,proto3" json:"name_server,omitempty"`
 	// Static hosts. Domain to IP.
 	// Deprecated. Use static_hosts.
 	//
-	// Deprecated: Marked as deprecated in app/dns/config.proto.
+	// Deprecated: Do not use.
 	Hosts map[string]*net.IPOrDomain `protobuf:"bytes,2,rep,name=Hosts,proto3" json:"Hosts,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	// Client IP for EDNS client subnet. Must be 4 bytes (IPv4) or 16 bytes
 	// (IPv6).
@@ -273,7 +273,7 @@ func (*Config) Descriptor() ([]byte, []int) {
 	return file_app_dns_config_proto_rawDescGZIP(), []int{1}
 }

-// Deprecated: Marked as deprecated in app/dns/config.proto.
+// Deprecated: Do not use.
 func (x *Config) GetNameServers() []*net.Endpoint {
 	if x != nil {
 		return x.NameServers
@@ -288,7 +288,7 @@ func (x *Config) GetNameServer() []*NameServer {
 	return nil
 }

-// Deprecated: Marked as deprecated in app/dns/config.proto.
+// Deprecated: Do not use.
 func (x *Config) GetHosts() map[string]*net.IPOrDomain {
 	if x != nil {
 		return x.Hosts
@@ -215,7 +215,7 @@ func (s *DNS) LookupIP(domain string, option dns.IPOption) ([]net.IP, error) {
 			newError("failed to lookup ip for domain ", domain, " at server ", client.Name()).Base(err).WriteToLog()
 			errs = append(errs, err)
 		}
-		if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch && err != dns.ErrEmptyResponse {
+		if err != context.Canceled && err != context.DeadlineExceeded && err != errExpectedIPNonMatch {
 			return nil, err
 		}
 	}
@@ -13,7 +13,6 @@ import (
 	_ "github.com/xtls/xray-core/app/proxyman/outbound"
 	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/core"
@@ -261,7 +260,7 @@ func TestUDPServer(t *testing.T) {
 			IPv6Enable: true,
 			FakeEnable: false,
 		})
-		if !errors.AllEqual(feature_dns.ErrEmptyResponse, errors.Cause(err)) {
+		if err != feature_dns.ErrEmptyResponse {
 			t.Fatal("error: ", err)
 		}
 		if len(ips) != 0 {
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/dns/fakedns/fakedns.proto

 package fakedns
@@ -373,8 +373,8 @@ func (s *QUICNameServer) openConnection() (quic.Connection, error) {
 	quicConfig := &quic.Config{
 		HandshakeIdleTimeout: handshakeTimeout,
 	}
-	tlsConfig.ServerName = s.destination.Address.String()
-	conn, err := quic.DialAddr(context.Background(), s.destination.NetAddr(), tlsConfig.GetTLSConfig(tls.WithNextProto("http/1.1", http2.NextProtoTLS, NextProtoDQ)), quicConfig)
+
+	conn, err := quic.DialAddrContext(context.Background(), s.destination.NetAddr(), tlsConfig.GetTLSConfig(tls.WithNextProto("http/1.1", http2.NextProtoTLS, NextProtoDQ)), quicConfig)
 	log.Record(&log.AccessMessage{
 		From:   "DNS",
 		To:     s.destination,
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/log/command/config.proto

 package command
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.1
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
 // source: app/log/command/config.proto

 package command
@@ -18,10 +18,6 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

-const (
-	LoggerService_RestartLogger_FullMethodName = "/xray.app.log.command.LoggerService/RestartLogger"
-)
-
 // LoggerServiceClient is the client API for LoggerService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -39,7 +35,7 @@ func NewLoggerServiceClient(cc grpc.ClientConnInterface) LoggerServiceClient {

 func (c *loggerServiceClient) RestartLogger(ctx context.Context, in *RestartLoggerRequest, opts ...grpc.CallOption) (*RestartLoggerResponse, error) {
 	out := new(RestartLoggerResponse)
-	err := c.cc.Invoke(ctx, LoggerService_RestartLogger_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.log.command.LoggerService/RestartLogger", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -84,7 +80,7 @@ func _LoggerService_RestartLogger_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: LoggerService_RestartLogger_FullMethodName,
+		FullMethod: "/xray.app.log.command.LoggerService/RestartLogger",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(LoggerServiceServer).RestartLogger(ctx, req.(*RestartLoggerRequest))
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/log/config.proto

 package log
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/metrics/config.proto

 package metrics
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/observatory/command/command.proto

 package command
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.1
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
 // source: app/observatory/command/command.proto

 package command
@@ -18,10 +18,6 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

-const (
-	ObservatoryService_GetOutboundStatus_FullMethodName = "/xray.core.app.observatory.command.ObservatoryService/GetOutboundStatus"
-)
-
 // ObservatoryServiceClient is the client API for ObservatoryService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -39,7 +35,7 @@ func NewObservatoryServiceClient(cc grpc.ClientConnInterface) ObservatoryService

 func (c *observatoryServiceClient) GetOutboundStatus(ctx context.Context, in *GetOutboundStatusRequest, opts ...grpc.CallOption) (*GetOutboundStatusResponse, error) {
 	out := new(GetOutboundStatusResponse)
-	err := c.cc.Invoke(ctx, ObservatoryService_GetOutboundStatus_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.core.app.observatory.command.ObservatoryService/GetOutboundStatus", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -84,7 +80,7 @@ func _ObservatoryService_GetOutboundStatus_Handler(srv interface{}, ctx context.
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: ObservatoryService_GetOutboundStatus_FullMethodName,
+		FullMethod: "/xray.core.app.observatory.command.ObservatoryService/GetOutboundStatus",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(ObservatoryServiceServer).GetOutboundStatus(ctx, req.(*GetOutboundStatusRequest))
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/observatory/config.proto

 package observatory
@@ -9,6 +9,7 @@ import (
 	"sync"
 	"time"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common"
 	v2net "github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
@@ -18,7 +19,6 @@ import (
 	"github.com/xtls/xray-core/features/extension"
 	"github.com/xtls/xray-core/features/outbound"
 	"github.com/xtls/xray-core/transport/internet/tagged"
-	"google.golang.org/protobuf/proto"
 )

 type Observer struct {
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/policy/config.proto

 package policy
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/proxyman/command/command.proto

 package command
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.1
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
 // source: app/proxyman/command/command.proto

 package command
@@ -18,15 +18,6 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

-const (
-	HandlerService_AddInbound_FullMethodName     = "/xray.app.proxyman.command.HandlerService/AddInbound"
-	HandlerService_RemoveInbound_FullMethodName  = "/xray.app.proxyman.command.HandlerService/RemoveInbound"
-	HandlerService_AlterInbound_FullMethodName   = "/xray.app.proxyman.command.HandlerService/AlterInbound"
-	HandlerService_AddOutbound_FullMethodName    = "/xray.app.proxyman.command.HandlerService/AddOutbound"
-	HandlerService_RemoveOutbound_FullMethodName = "/xray.app.proxyman.command.HandlerService/RemoveOutbound"
-	HandlerService_AlterOutbound_FullMethodName  = "/xray.app.proxyman.command.HandlerService/AlterOutbound"
-)
-
 // HandlerServiceClient is the client API for HandlerService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -49,7 +40,7 @@ func NewHandlerServiceClient(cc grpc.ClientConnInterface) HandlerServiceClient {

 func (c *handlerServiceClient) AddInbound(ctx context.Context, in *AddInboundRequest, opts ...grpc.CallOption) (*AddInboundResponse, error) {
 	out := new(AddInboundResponse)
-	err := c.cc.Invoke(ctx, HandlerService_AddInbound_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AddInbound", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -58,7 +49,7 @@ func (c *handlerServiceClient) AddInbound(ctx context.Context, in *AddInboundReq

 func (c *handlerServiceClient) RemoveInbound(ctx context.Context, in *RemoveInboundRequest, opts ...grpc.CallOption) (*RemoveInboundResponse, error) {
 	out := new(RemoveInboundResponse)
-	err := c.cc.Invoke(ctx, HandlerService_RemoveInbound_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/RemoveInbound", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -67,7 +58,7 @@ func (c *handlerServiceClient) RemoveInbound(ctx context.Context, in *RemoveInbo

 func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboundRequest, opts ...grpc.CallOption) (*AlterInboundResponse, error) {
 	out := new(AlterInboundResponse)
-	err := c.cc.Invoke(ctx, HandlerService_AlterInbound_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AlterInbound", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -76,7 +67,7 @@ func (c *handlerServiceClient) AlterInbound(ctx context.Context, in *AlterInboun

 func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundRequest, opts ...grpc.CallOption) (*AddOutboundResponse, error) {
 	out := new(AddOutboundResponse)
-	err := c.cc.Invoke(ctx, HandlerService_AddOutbound_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AddOutbound", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -85,7 +76,7 @@ func (c *handlerServiceClient) AddOutbound(ctx context.Context, in *AddOutboundR

 func (c *handlerServiceClient) RemoveOutbound(ctx context.Context, in *RemoveOutboundRequest, opts ...grpc.CallOption) (*RemoveOutboundResponse, error) {
 	out := new(RemoveOutboundResponse)
-	err := c.cc.Invoke(ctx, HandlerService_RemoveOutbound_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/RemoveOutbound", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -94,7 +85,7 @@ func (c *handlerServiceClient) RemoveOutbound(ctx context.Context, in *RemoveOut

 func (c *handlerServiceClient) AlterOutbound(ctx context.Context, in *AlterOutboundRequest, opts ...grpc.CallOption) (*AlterOutboundResponse, error) {
 	out := new(AlterOutboundResponse)
-	err := c.cc.Invoke(ctx, HandlerService_AlterOutbound_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.proxyman.command.HandlerService/AlterOutbound", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -159,7 +150,7 @@ func _HandlerService_AddInbound_Handler(srv interface{}, ctx context.Context, de
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HandlerService_AddInbound_FullMethodName,
+		FullMethod: "/xray.app.proxyman.command.HandlerService/AddInbound",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AddInbound(ctx, req.(*AddInboundRequest))
@@ -177,7 +168,7 @@ func _HandlerService_RemoveInbound_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HandlerService_RemoveInbound_FullMethodName,
+		FullMethod: "/xray.app.proxyman.command.HandlerService/RemoveInbound",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).RemoveInbound(ctx, req.(*RemoveInboundRequest))
@@ -195,7 +186,7 @@ func _HandlerService_AlterInbound_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HandlerService_AlterInbound_FullMethodName,
+		FullMethod: "/xray.app.proxyman.command.HandlerService/AlterInbound",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AlterInbound(ctx, req.(*AlterInboundRequest))
@@ -213,7 +204,7 @@ func _HandlerService_AddOutbound_Handler(srv interface{}, ctx context.Context, d
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HandlerService_AddOutbound_FullMethodName,
+		FullMethod: "/xray.app.proxyman.command.HandlerService/AddOutbound",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AddOutbound(ctx, req.(*AddOutboundRequest))
@@ -231,7 +222,7 @@ func _HandlerService_RemoveOutbound_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HandlerService_RemoveOutbound_FullMethodName,
+		FullMethod: "/xray.app.proxyman.command.HandlerService/RemoveOutbound",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).RemoveOutbound(ctx, req.(*RemoveOutboundRequest))
@@ -249,7 +240,7 @@ func _HandlerService_AlterOutbound_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HandlerService_AlterOutbound_FullMethodName,
+		FullMethod: "/xray.app.proxyman.command.HandlerService/AlterOutbound",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HandlerServiceServer).AlterOutbound(ctx, req.(*AlterOutboundRequest))
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/proxyman/config.proto

 package proxyman
@@ -326,7 +326,7 @@ type ReceiverConfig struct {
 	// Override domains for the given protocol.
 	// Deprecated. Use sniffing_settings.
 	//
-	// Deprecated: Marked as deprecated in app/proxyman/config.proto.
+	// Deprecated: Do not use.
 	DomainOverride   []KnownProtocols `protobuf:"varint,7,rep,packed,name=domain_override,json=domainOverride,proto3,enum=xray.app.proxyman.KnownProtocols" json:"domain_override,omitempty"`
 	SniffingSettings *SniffingConfig  `protobuf:"bytes,8,opt,name=sniffing_settings,json=sniffingSettings,proto3" json:"sniffing_settings,omitempty"`
 }
@@ -398,7 +398,7 @@ func (x *ReceiverConfig) GetReceiveOriginalDestination() bool {
 	return false
 }

-// Deprecated: Marked as deprecated in app/proxyman/config.proto.
+// Deprecated: Do not use.
 func (x *ReceiverConfig) GetDomainOverride() []KnownProtocols {
 	if x != nil {
 		return x.DomainOverride
@@ -594,11 +594,7 @@ type MultiplexingConfig struct {
 	// Whether or not Mux is enabled.
 	Enabled bool `protobuf:"varint,1,opt,name=enabled,proto3" json:"enabled,omitempty"`
 	// Max number of concurrent connections that one Mux connection can handle.
-	Concurrency int32 `protobuf:"varint,2,opt,name=concurrency,proto3" json:"concurrency,omitempty"`
-	// Transport XUDP in another Mux.
-	XudpConcurrency int32 `protobuf:"varint,3,opt,name=xudpConcurrency,proto3" json:"xudpConcurrency,omitempty"`
-	// "reject" (default), "allow" or "skip".
-	XudpProxyUDP443 string `protobuf:"bytes,4,opt,name=xudpProxyUDP443,proto3" json:"xudpProxyUDP443,omitempty"`
+	Concurrency uint32 `protobuf:"varint,2,opt,name=concurrency,proto3" json:"concurrency,omitempty"`
 }

 func (x *MultiplexingConfig) Reset() {
@@ -640,27 +636,13 @@ func (x *MultiplexingConfig) GetEnabled() bool {
 	return false
 }

-func (x *MultiplexingConfig) GetConcurrency() int32 {
+func (x *MultiplexingConfig) GetConcurrency() uint32 {
 	if x != nil {
 		return x.Concurrency
 	}
 	return 0
 }

-func (x *MultiplexingConfig) GetXudpConcurrency() int32 {
-	if x != nil {
-		return x.XudpConcurrency
-	}
-	return 0
-}
-
-func (x *MultiplexingConfig) GetXudpProxyUDP443() string {
-	if x != nil {
-		return x.XudpProxyUDP443
-	}
-	return ""
-}
-
 type AllocationStrategy_AllocationStrategyConcurrency struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -874,26 +856,21 @@ var file_app_proxyman_config_proto_rawDesc = []byte{
 	0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72,
 	0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2e, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78,
 	0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x11, 0x6d, 0x75, 0x6c, 0x74, 0x69,
-	0x70, 0x6c, 0x65, 0x78, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x22, 0xa4, 0x01, 0x0a,
-	0x12, 0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e,
-	0x66, 0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x18, 0x01,
-	0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x20, 0x0a,
-	0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x02, 0x20, 0x01,
-	0x28, 0x05, 0x52, 0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x12,
-	0x28, 0x0a, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x43, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e,
-	0x63, 0x79, 0x18, 0x03, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x43, 0x6f,
-	0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x12, 0x28, 0x0a, 0x0f, 0x78, 0x75, 0x64,
-	0x70, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x55, 0x44, 0x50, 0x34, 0x34, 0x33, 0x18, 0x04, 0x20, 0x01,
-	0x28, 0x09, 0x52, 0x0f, 0x78, 0x75, 0x64, 0x70, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x55, 0x44, 0x50,
-	0x34, 0x34, 0x33, 0x2a, 0x23, 0x0a, 0x0e, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x50, 0x72, 0x6f, 0x74,
-	0x6f, 0x63, 0x6f, 0x6c, 0x73, 0x12, 0x08, 0x0a, 0x04, 0x48, 0x54, 0x54, 0x50, 0x10, 0x00, 0x12,
-	0x07, 0x0a, 0x03, 0x54, 0x4c, 0x53, 0x10, 0x01, 0x42, 0x55, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e,
-	0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61,
-	0x6e, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
-	0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61,
-	0x70, 0x70, 0x2f, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0xaa, 0x02, 0x11, 0x58, 0x72,
-	0x61, 0x79, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x70, 0x6c, 0x65, 0x78, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x22, 0x50, 0x0a, 0x12,
+	0x4d, 0x75, 0x6c, 0x74, 0x69, 0x70, 0x6c, 0x65, 0x78, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66,
+	0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x18, 0x01, 0x20,
+	0x01, 0x28, 0x08, 0x52, 0x07, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x20, 0x0a, 0x0b,
+	0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x0d, 0x52, 0x0b, 0x63, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65, 0x6e, 0x63, 0x79, 0x2a, 0x23,
+	0x0a, 0x0e, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x73,
+	0x12, 0x08, 0x0a, 0x04, 0x48, 0x54, 0x54, 0x50, 0x10, 0x00, 0x12, 0x07, 0x0a, 0x03, 0x54, 0x4c,
+	0x53, 0x10, 0x01, 0x42, 0x55, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e,
+	0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x50, 0x01, 0x5a, 0x26,
+	0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f,
+	0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x70, 0x72,
+	0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0xaa, 0x02, 0x11, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x41, 0x70,
+	0x70, 0x2e, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x33,
 }

 var (
@@ -97,9 +97,5 @@ message MultiplexingConfig {
  // Whether or not Mux is enabled.
  bool enabled = 1;
  // Max number of concurrent connections that one Mux connection can handle.
-  int32 concurrency = 2;
-  // Transport XUDP in another Mux.
-  int32 xudpConcurrency = 3;
-  // "reject" (default), "allow" or "skip".
-  string xudpProxyUDP443 = 4;
+  uint32 concurrency = 2;
 }
@@ -362,7 +362,7 @@ func (w *udpWorker) clean() error {
 	}

 	for addr, conn := range w.activeConn {
-		if nowSec-atomic.LoadInt64(&conn.lastActivityTime) > 2*60 {
+		if nowSec-atomic.LoadInt64(&conn.lastActivityTime) > 5*60 { // TODO Timeout too small
 			if !conn.inactive {
 				conn.setInactive()
 				delete(w.activeConn, addr)
@@ -8,7 +8,6 @@ import (

 	"github.com/xtls/xray-core/app/proxyman"
 	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/net/cnc"
@@ -58,8 +57,6 @@ type Handler struct {
 	proxy           proxy.Outbound
 	outboundManager outbound.Manager
 	mux             *mux.ClientManager
-	xudp            *mux.ClientManager
-	udp443          string
 	uplinkCounter   stats.Counter
 	downlinkCounter stats.Counter
 }
@@ -109,50 +106,22 @@ func NewHandler(ctx context.Context, config *core.OutboundHandlerConfig) (outbou
 	}

 	if h.senderSettings != nil && h.senderSettings.MultiplexSettings != nil {
-		if config := h.senderSettings.MultiplexSettings; config.Enabled {
-			if config.Concurrency < 0 {
-				h.mux = &mux.ClientManager{Enabled: false}
-			}
-			if config.Concurrency == 0 {
-				config.Concurrency = 8 // same as before
-			}
-			if config.Concurrency > 0 {
-				h.mux = &mux.ClientManager{
-					Enabled: true,
-					Picker: &mux.IncrementalWorkerPicker{
-						Factory: &mux.DialingWorkerFactory{
-							Proxy:  proxyHandler,
-							Dialer: h,
-							Strategy: mux.ClientStrategy{
-								MaxConcurrency: uint32(config.Concurrency),
-								MaxConnection:  128,
-							},
-						},
+		config := h.senderSettings.MultiplexSettings
+		if config.Concurrency < 1 || config.Concurrency > 1024 {
+			return nil, newError("invalid mux concurrency: ", config.Concurrency).AtWarning()
+		}
+		h.mux = &mux.ClientManager{
+			Enabled: h.senderSettings.MultiplexSettings.Enabled,
+			Picker: &mux.IncrementalWorkerPicker{
+				Factory: &mux.DialingWorkerFactory{
+					Proxy:  proxyHandler,
+					Dialer: h,
+					Strategy: mux.ClientStrategy{
+						MaxConcurrency: config.Concurrency,
+						MaxConnection:  128,
 					},
-				}
-			}
-			if config.XudpConcurrency < 0 {
-				h.xudp = &mux.ClientManager{Enabled: false}
-			}
-			if config.XudpConcurrency == 0 {
-				h.xudp = nil // same as before
-			}
-			if config.XudpConcurrency > 0 {
-				h.xudp = &mux.ClientManager{
-					Enabled: true,
-					Picker: &mux.IncrementalWorkerPicker{
-						Factory: &mux.DialingWorkerFactory{
-							Proxy:  proxyHandler,
-							Dialer: h,
-							Strategy: mux.ClientStrategy{
-								MaxConcurrency: uint32(config.XudpConcurrency),
-								MaxConnection:  128,
-							},
-						},
-					},
-				}
-			}
-			h.udp443 = config.XudpProxyUDP443
+				},
+			},
 		}
 	}

@@ -167,58 +136,31 @@ func (h *Handler) Tag() string {

 // Dispatch implements proxy.Outbound.Dispatch.
 func (h *Handler) Dispatch(ctx context.Context, link *transport.Link) {
-	outbound := session.OutboundFromContext(ctx)
-	if outbound.Target.Network == net.Network_UDP && outbound.OriginalTarget.Address != nil && outbound.OriginalTarget.Address != outbound.Target.Address {
-		link.Reader = &buf.EndpointOverrideReader{Reader: link.Reader, Dest: outbound.Target.Address, OriginalDest: outbound.OriginalTarget.Address}
-		link.Writer = &buf.EndpointOverrideWriter{Writer: link.Writer, Dest: outbound.Target.Address, OriginalDest: outbound.OriginalTarget.Address}
-	}
-	if h.mux != nil {
-		test := func(err error) {
-			if err != nil {
-				err := newError("failed to process mux outbound traffic").Base(err)
-				session.SubmitOutboundErrorToOriginator(ctx, err)
-				err.WriteToLog(session.ExportIDToError(ctx))
-				common.Interrupt(link.Writer)
-			}
+	if h.mux != nil && (h.mux.Enabled || session.MuxPreferedFromContext(ctx)) {
+		if err := h.mux.Dispatch(ctx, link); err != nil {
+			err := newError("failed to process mux outbound traffic").Base(err)
+			session.SubmitOutboundErrorToOriginator(ctx, err)
+			err.WriteToLog(session.ExportIDToError(ctx))
+			common.Interrupt(link.Writer)
 		}
-		if outbound.Target.Network == net.Network_UDP && outbound.Target.Port == 443 {
-			switch h.udp443 {
-			case "reject":
-				test(newError("XUDP rejected UDP/443 traffic").AtInfo())
-				return
-			case "skip":
-				goto out
-			}
-		}
-		if h.xudp != nil && outbound.Target.Network == net.Network_UDP {
-			if !h.xudp.Enabled {
-				goto out
-			}
-			test(h.xudp.Dispatch(ctx, link))
-			return
-		}
-		if h.mux.Enabled {
-			test(h.mux.Dispatch(ctx, link))
-			return
-		}
-	}
-out:
-	err := h.proxy.Process(ctx, link, h)
-	if err != nil {
-		if errors.Is(err, io.EOF) || errors.Is(err, io.ErrClosedPipe) || errors.Is(err, context.Canceled) {
-			err = nil
-		}
-	}
-	if err != nil {
-		// Ensure outbound ray is properly closed.
-		err := newError("failed to process outbound traffic").Base(err)
-		session.SubmitOutboundErrorToOriginator(ctx, err)
-		err.WriteToLog(session.ExportIDToError(ctx))
-		common.Interrupt(link.Writer)
 	} else {
-		common.Close(link.Writer)
+		err := h.proxy.Process(ctx, link, h)
+		if err != nil {
+			if errors.Is(err, io.EOF) || errors.Is(err, io.ErrClosedPipe) || errors.Is(err, context.Canceled) {
+				err = nil
+			}
+		}
+		if err != nil {
+			// Ensure outbound ray is properly closed.
+			err := newError("failed to process outbound traffic").Base(err)
+			session.SubmitOutboundErrorToOriginator(ctx, err)
+			err.WriteToLog(session.ExportIDToError(ctx))
+			common.Interrupt(link.Writer)
+		} else {
+			common.Must(common.Close(link.Writer))
+		}
+		common.Interrupt(link.Reader)
 	}
-	common.Interrupt(link.Reader)
 }

 // Address implements internet.Dialer.
@@ -11,24 +11,13 @@ import (
 )

 func (h *Handler) getUoTConnection(ctx context.Context, dest net.Destination) (stat.Connection, error) {
-	if dest.Address == nil {
-		return nil, newError("nil destination address")
-	}
-	if !dest.Address.Family().IsDomain() {
-		return nil, os.ErrInvalid
-	}
-	var uotVersion int
-	if dest.Address.Domain() == uot.MagicAddress {
-		uotVersion = uot.Version
-	} else if dest.Address.Domain() == uot.LegacyMagicAddress {
-		uotVersion = uot.LegacyVersion
-	} else {
+	if !dest.Address.Family().IsDomain() || dest.Address.Domain() != uot.UOTMagicAddress {
 		return nil, os.ErrInvalid
 	}
 	packetConn, err := internet.ListenSystemPacket(ctx, &net.UDPAddr{IP: net.AnyIP.IP(), Port: 0}, h.streamSettings.SocketSettings)
 	if err != nil {
 		return nil, newError("unable to listen socket").Base(err)
 	}
-	conn := uot.NewServerConn(packetConn, uotVersion)
+	conn := uot.NewServerConn(packetConn)
 	return h.getStatCouterConnection(conn), nil
 }
@@ -4,6 +4,7 @@ import (
 	"context"
 	"time"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/session"
@@ -11,7 +12,6 @@ import (
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/pipe"
-	"google.golang.org/protobuf/proto"
 )

 // Bridge is a component in reverse proxy, that relays connections from Portal to local address.
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/reverse/config.proto

 package reverse
@@ -5,6 +5,7 @@ import (
 	"sync"
 	"time"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/mux"
@@ -14,7 +15,6 @@ import (
 	"github.com/xtls/xray-core/features/outbound"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/pipe"
-	"google.golang.org/protobuf/proto"
 )

 type Portal struct {
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/router/command/command.proto

 package command
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.1
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
 // source: app/router/command/command.proto

 package command
@@ -18,11 +18,6 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

-const (
-	RoutingService_SubscribeRoutingStats_FullMethodName = "/xray.app.router.command.RoutingService/SubscribeRoutingStats"
-	RoutingService_TestRoute_FullMethodName             = "/xray.app.router.command.RoutingService/TestRoute"
-)
-
 // RoutingServiceClient is the client API for RoutingService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -40,7 +35,7 @@ func NewRoutingServiceClient(cc grpc.ClientConnInterface) RoutingServiceClient {
 }

 func (c *routingServiceClient) SubscribeRoutingStats(ctx context.Context, in *SubscribeRoutingStatsRequest, opts ...grpc.CallOption) (RoutingService_SubscribeRoutingStatsClient, error) {
-	stream, err := c.cc.NewStream(ctx, &RoutingService_ServiceDesc.Streams[0], RoutingService_SubscribeRoutingStats_FullMethodName, opts...)
+	stream, err := c.cc.NewStream(ctx, &RoutingService_ServiceDesc.Streams[0], "/xray.app.router.command.RoutingService/SubscribeRoutingStats", opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -73,7 +68,7 @@ func (x *routingServiceSubscribeRoutingStatsClient) Recv() (*RoutingContext, err

 func (c *routingServiceClient) TestRoute(ctx context.Context, in *TestRouteRequest, opts ...grpc.CallOption) (*RoutingContext, error) {
 	out := new(RoutingContext)
-	err := c.cc.Invoke(ctx, RoutingService_TestRoute_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.router.command.RoutingService/TestRoute", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -143,7 +138,7 @@ func _RoutingService_TestRoute_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: RoutingService_TestRoute_FullMethodName,
+		FullMethod: "/xray.app.router.command.RoutingService/TestRoute",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(RoutingServiceServer).TestRoute(ctx, req.(*TestRouteRequest))
@@ -1,12 +1,13 @@
 package router

 import (
-	"regexp"
 	"strings"

 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/strmatcher"
 	"github.com/xtls/xray-core/features/routing"
+	"go.starlark.net/starlark"
+	"go.starlark.net/syntax"
 )

 type Condition interface {
@@ -283,22 +284,44 @@ func (m *ProtocolMatcher) Apply(ctx routing.Context) bool {
 }

 type AttributeMatcher struct {
-	configuredKeys map[string]*regexp.Regexp
+	program *starlark.Program
+}
+
+func NewAttributeMatcher(code string) (*AttributeMatcher, error) {
+	starFile, err := syntax.Parse("attr.star", "satisfied=("+code+")", 0)
+	if err != nil {
+		return nil, newError("attr rule").Base(err)
+	}
+	p, err := starlark.FileProgram(starFile, func(name string) bool {
+		return name == "attrs"
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &AttributeMatcher{
+		program: p,
+	}, nil
 }

 // Match implements attributes matching.
 func (m *AttributeMatcher) Match(attrs map[string]string) bool {
-	// header keys are case insensitive most likely. So we do a convert
-	httpHeaders := make(map[string]string)
+	attrsDict := new(starlark.Dict)
 	for key, value := range attrs {
-		httpHeaders[strings.ToLower(key)] = value
+		attrsDict.SetKey(starlark.String(key), starlark.String(value))
 	}
-	for key, regex := range m.configuredKeys {
-		if a, ok := httpHeaders[key]; !ok || !regex.MatchString(a) {
-			return false
-		}
+
+	predefined := make(starlark.StringDict)
+	predefined["attrs"] = attrsDict
+
+	thread := &starlark.Thread{
+		Name: "matcher",
 	}
-	return true
+	results, err := m.program.Init(thread, predefined)
+	if err != nil {
+		newError("attr matcher").Base(err).WriteToLog()
+	}
+	satisfied := results["satisfied"]
+	return satisfied != nil && bool(satisfied.Truth())
 }

 // Apply implements Condition.
@@ -1,49 +1,81 @@
 package router

 import (
-	"net/netip"
-	"strconv"
+	"encoding/binary"
+	"sort"

 	"github.com/xtls/xray-core/common/net"
-	"go4.org/netipx"
 )

+type ipv6 struct {
+	a uint64
+	b uint64
+}
+
 type GeoIPMatcher struct {
 	countryCode  string
 	reverseMatch bool
-	ip4          *netipx.IPSet
-	ip6          *netipx.IPSet
+	ip4          []uint32
+	prefix4      []uint8
+	ip6          []ipv6
+	prefix6      []uint8
+}
+
+func normalize4(ip uint32, prefix uint8) uint32 {
+	return (ip >> (32 - prefix)) << (32 - prefix)
+}
+
+func normalize6(ip ipv6, prefix uint8) ipv6 {
+	if prefix <= 64 {
+		ip.a = (ip.a >> (64 - prefix)) << (64 - prefix)
+		ip.b = 0
+	} else {
+		ip.b = (ip.b >> (128 - prefix)) << (128 - prefix)
+	}
+	return ip
 }

 func (m *GeoIPMatcher) Init(cidrs []*CIDR) error {
-	var builder4, builder6 netipx.IPSetBuilder
+	ip4Count := 0
+	ip6Count := 0

 	for _, cidr := range cidrs {
-		ip := net.IP(cidr.GetIp())
-		ipPrefixString := ip.String() + "/" + strconv.Itoa(int(cidr.GetPrefix()))
-		ipPrefix, err := netip.ParsePrefix(ipPrefixString)
-		if err != nil {
-			return err
-		}
-
+		ip := cidr.Ip
 		switch len(ip) {
-		case net.IPv4len:
-			builder4.AddPrefix(ipPrefix)
-		case net.IPv6len:
-			builder6.AddPrefix(ipPrefix)
+		case 4:
+			ip4Count++
+		case 16:
+			ip6Count++
+		default:
+			return newError("unexpect ip length: ", len(ip))
 		}
 	}

-	if ip4, err := builder4.IPSet(); err != nil {
-		return err
-	} else {
-		m.ip4 = ip4
-	}
+	cidrList := CIDRList(cidrs)
+	sort.Sort(&cidrList)

-	if ip6, err := builder6.IPSet(); err != nil {
-		return err
-	} else {
-		m.ip6 = ip6
+	m.ip4 = make([]uint32, 0, ip4Count)
+	m.prefix4 = make([]uint8, 0, ip4Count)
+	m.ip6 = make([]ipv6, 0, ip6Count)
+	m.prefix6 = make([]uint8, 0, ip6Count)
+
+	for _, cidr := range cidrList {
+		ip := cidr.Ip
+		prefix := uint8(cidr.Prefix)
+		switch len(ip) {
+		case 4:
+			m.ip4 = append(m.ip4, normalize4(binary.BigEndian.Uint32(ip), prefix))
+			m.prefix4 = append(m.prefix4, prefix)
+		case 16:
+			ip6 := ipv6{
+				a: binary.BigEndian.Uint64(ip[0:8]),
+				b: binary.BigEndian.Uint64(ip[8:16]),
+			}
+			ip6 = normalize6(ip6, prefix)
+
+			m.ip6 = append(m.ip6, ip6)
+			m.prefix6 = append(m.prefix6, prefix)
+		}
 	}

 	return nil
@@ -53,37 +85,91 @@ func (m *GeoIPMatcher) SetReverseMatch(isReverseMatch bool) {
 	m.reverseMatch = isReverseMatch
 }

-func (m *GeoIPMatcher) match4(ip net.IP) bool {
-	nip, ok := netipx.FromStdIP(ip)
-	if !ok {
+func (m *GeoIPMatcher) match4(ip uint32) bool {
+	if len(m.ip4) == 0 {
 		return false
 	}

-	return m.ip4.Contains(nip)
+	if ip < m.ip4[0] {
+		return false
+	}
+
+	size := uint32(len(m.ip4))
+	l := uint32(0)
+	r := size
+	for l < r {
+		x := ((l + r) >> 1)
+		if ip < m.ip4[x] {
+			r = x
+			continue
+		}
+
+		nip := normalize4(ip, m.prefix4[x])
+		if nip == m.ip4[x] {
+			return true
+		}
+
+		l = x + 1
+	}
+
+	return l > 0 && normalize4(ip, m.prefix4[l-1]) == m.ip4[l-1]
 }

-func (m *GeoIPMatcher) match6(ip net.IP) bool {
-	nip, ok := netipx.FromStdIP(ip)
-	if !ok {
+func less6(a ipv6, b ipv6) bool {
+	return a.a < b.a || (a.a == b.a && a.b < b.b)
+}
+
+func (m *GeoIPMatcher) match6(ip ipv6) bool {
+	if len(m.ip6) == 0 {
 		return false
 	}

-	return m.ip6.Contains(nip)
+	if less6(ip, m.ip6[0]) {
+		return false
+	}
+
+	size := uint32(len(m.ip6))
+	l := uint32(0)
+	r := size
+	for l < r {
+		x := (l + r) / 2
+		if less6(ip, m.ip6[x]) {
+			r = x
+			continue
+		}
+
+		if normalize6(ip, m.prefix6[x]) == m.ip6[x] {
+			return true
+		}
+
+		l = x + 1
+	}
+
+	return l > 0 && normalize6(ip, m.prefix6[l-1]) == m.ip6[l-1]
 }

 // Match returns true if the given ip is included by the GeoIP.
 func (m *GeoIPMatcher) Match(ip net.IP) bool {
-	isMatched := false
 	switch len(ip) {
-	case net.IPv4len:
-		isMatched = m.match4(ip)
-	case net.IPv6len:
-		isMatched = m.match6(ip)
+	case 4:
+		if m.reverseMatch {
+			return !m.match4(binary.BigEndian.Uint32(ip))
+		}
+		return m.match4(binary.BigEndian.Uint32(ip))
+	case 16:
+		if m.reverseMatch {
+			return !m.match6(ipv6{
+				a: binary.BigEndian.Uint64(ip[0:8]),
+				b: binary.BigEndian.Uint64(ip[8:16]),
+			})
+		}
+		return m.match6(ipv6{
+			a: binary.BigEndian.Uint64(ip[0:8]),
+			b: binary.BigEndian.Uint64(ip[8:16]),
+		})
+	default:
+		return false
 	}
-	if m.reverseMatch {
-		return !isMatched
-	}
-	return isMatched
 }

 // GeoIPMatcherContainer is a container for GeoIPMatchers. It keeps unique copies of GeoIPMatcher by country code.
@@ -5,12 +5,12 @@ import (
 	"path/filepath"
 	"testing"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/platform/filesystem"
-	"google.golang.org/protobuf/proto"
 )

 func init() {
@@ -53,7 +53,7 @@ func TestGeoIPMatcherContainer(t *testing.T) {
 }

 func TestGeoIPMatcher(t *testing.T) {
-	cidrList := []*router.CIDR{
+	cidrList := router.CIDRList{
 		{Ip: []byte{0, 0, 0, 0}, Prefix: 8},
 		{Ip: []byte{10, 0, 0, 0}, Prefix: 8},
 		{Ip: []byte{100, 64, 0, 0}, Prefix: 10},
@@ -124,40 +124,8 @@ func TestGeoIPMatcher(t *testing.T) {
 	}
 }

-func TestGeoIPMatcherRegression(t *testing.T) {
-	cidrList := []*router.CIDR{
-		{Ip: []byte{98, 108, 20, 0}, Prefix: 22},
-		{Ip: []byte{98, 108, 20, 0}, Prefix: 23},
-	}
-
-	matcher := &router.GeoIPMatcher{}
-	common.Must(matcher.Init(cidrList))
-
-	testCases := []struct {
-		Input  string
-		Output bool
-	}{
-		{
-			Input:  "98.108.22.11",
-			Output: true,
-		},
-		{
-			Input:  "98.108.25.0",
-			Output: false,
-		},
-	}
-
-	for _, testCase := range testCases {
-		ip := net.ParseAddress(testCase.Input).IP()
-		actual := matcher.Match(ip)
-		if actual != testCase.Output {
-			t.Error("expect input", testCase.Input, "to be", testCase.Output, ", but actually", actual)
-		}
-	}
-}
-
 func TestGeoIPReverseMatcher(t *testing.T) {
-	cidrList := []*router.CIDR{
+	cidrList := router.CIDRList{
 		{Ip: []byte{8, 8, 8, 8}, Prefix: 32},
 		{Ip: []byte{91, 108, 4, 0}, Prefix: 16},
 	}
@@ -6,6 +6,7 @@ import (
 	"strconv"
 	"testing"

+	"github.com/golang/protobuf/proto"
 	. "github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -17,7 +18,6 @@ import (
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/features/routing"
 	routing_session "github.com/xtls/xray-core/features/routing/session"
-	"google.golang.org/protobuf/proto"
 )

 func init() {
@@ -307,10 +307,8 @@ func TestRoutingRule(t *testing.T) {
 		},
 		{
 			rule: &RoutingRule{
-				Protocol: []string{"http"},
-				Attributes: map[string]string{
-					":path": "/test",
-				},
+				Protocol:   []string{"http"},
+				Attributes: "attrs[':path'].startswith('/test')",
 			},
 			test: []ruleTest{
 				{
@@ -319,19 +317,6 @@ func TestRoutingRule(t *testing.T) {
 				},
 			},
 		},
-		{
-			rule: &RoutingRule{
-				Attributes: map[string]string{
-					"Custom": "p([a-z]+)ch",
-				},
-			},
-			test: []ruleTest{
-				{
-					input:  withContent(&session.Content{Attributes: map[string]string{"custom": "peach"}}),
-					output: true,
-				},
-			},
-		},
 	}

 	for _, test := range cases {
@@ -1,14 +1,50 @@
 package router

 import (
-	"regexp"
-	"strings"
-
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/features/outbound"
 	"github.com/xtls/xray-core/features/routing"
 )

+// CIDRList is an alias of []*CIDR to provide sort.Interface.
+type CIDRList []*CIDR
+
+// Len implements sort.Interface.
+func (l *CIDRList) Len() int {
+	return len(*l)
+}
+
+// Less implements sort.Interface.
+func (l *CIDRList) Less(i int, j int) bool {
+	ci := (*l)[i]
+	cj := (*l)[j]
+
+	if len(ci.Ip) < len(cj.Ip) {
+		return true
+	}
+
+	if len(ci.Ip) > len(cj.Ip) {
+		return false
+	}
+
+	for k := 0; k < len(ci.Ip); k++ {
+		if ci.Ip[k] < cj.Ip[k] {
+			return true
+		}
+
+		if ci.Ip[k] > cj.Ip[k] {
+			return false
+		}
+	}
+
+	return ci.Prefix < cj.Prefix
+}
+
+// Swap implements sort.Interface.
+func (l *CIDRList) Swap(i int, j int) {
+	(*l)[i], (*l)[j] = (*l)[j], (*l)[i]
+}
+
 type Rule struct {
 	Tag       string
 	Balancer  *Balancer
@@ -107,11 +143,11 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 	}

 	if len(rr.Attributes) > 0 {
-		configuredKeys := make(map[string]*regexp.Regexp)
-		for key, value := range rr.Attributes {
-			configuredKeys[strings.ToLower(key)] = regexp.MustCompile(value)
+		cond, err := NewAttributeMatcher(rr.Attributes)
+		if err != nil {
+			return nil, err
 		}
-		conds.Add(&AttributeMatcher{configuredKeys})
+		conds.Add(cond)
 	}

 	if conds.Len() == 0 {
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/router/config.proto

 package router
@@ -486,7 +486,7 @@ type RoutingRule struct {
 	// List of CIDRs for target IP address matching.
 	// Deprecated. Use geoip below.
 	//
-	// Deprecated: Marked as deprecated in app/router/config.proto.
+	// Deprecated: Do not use.
 	Cidr []*CIDR `protobuf:"bytes,3,rep,name=cidr,proto3" json:"cidr,omitempty"`
 	// List of GeoIPs for target IP address matching. If this entry exists, the
 	// cidr above will have no effect. GeoIP fields with the same country code are
@@ -496,30 +496,30 @@ type RoutingRule struct {
 	// A range of port [from, to]. If the destination port is in this range, this
 	// rule takes effect. Deprecated. Use port_list.
 	//
-	// Deprecated: Marked as deprecated in app/router/config.proto.
+	// Deprecated: Do not use.
 	PortRange *net.PortRange `protobuf:"bytes,4,opt,name=port_range,json=portRange,proto3" json:"port_range,omitempty"`
 	// List of ports.
 	PortList *net.PortList `protobuf:"bytes,14,opt,name=port_list,json=portList,proto3" json:"port_list,omitempty"`
 	// List of networks. Deprecated. Use networks.
 	//
-	// Deprecated: Marked as deprecated in app/router/config.proto.
+	// Deprecated: Do not use.
 	NetworkList *net.NetworkList `protobuf:"bytes,5,opt,name=network_list,json=networkList,proto3" json:"network_list,omitempty"`
 	// List of networks for matching.
 	Networks []net.Network `protobuf:"varint,13,rep,packed,name=networks,proto3,enum=xray.common.net.Network" json:"networks,omitempty"`
 	// List of CIDRs for source IP address matching.
 	//
-	// Deprecated: Marked as deprecated in app/router/config.proto.
+	// Deprecated: Do not use.
 	SourceCidr []*CIDR `protobuf:"bytes,6,rep,name=source_cidr,json=sourceCidr,proto3" json:"source_cidr,omitempty"`
 	// List of GeoIPs for source IP address matching. If this entry exists, the
 	// source_cidr above will have no effect.
 	SourceGeoip []*GeoIP `protobuf:"bytes,11,rep,name=source_geoip,json=sourceGeoip,proto3" json:"source_geoip,omitempty"`
 	// List of ports for source port matching.
-	SourcePortList *net.PortList     `protobuf:"bytes,16,opt,name=source_port_list,json=sourcePortList,proto3" json:"source_port_list,omitempty"`
-	UserEmail      []string          `protobuf:"bytes,7,rep,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"`
-	InboundTag     []string          `protobuf:"bytes,8,rep,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
-	Protocol       []string          `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
-	Attributes     map[string]string `protobuf:"bytes,15,rep,name=attributes,proto3" json:"attributes,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	DomainMatcher  string            `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
+	SourcePortList *net.PortList `protobuf:"bytes,16,opt,name=source_port_list,json=sourcePortList,proto3" json:"source_port_list,omitempty"`
+	UserEmail      []string      `protobuf:"bytes,7,rep,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"`
+	InboundTag     []string      `protobuf:"bytes,8,rep,name=inbound_tag,json=inboundTag,proto3" json:"inbound_tag,omitempty"`
+	Protocol       []string      `protobuf:"bytes,9,rep,name=protocol,proto3" json:"protocol,omitempty"`
+	Attributes     string        `protobuf:"bytes,15,opt,name=attributes,proto3" json:"attributes,omitempty"`
+	DomainMatcher  string        `protobuf:"bytes,17,opt,name=domain_matcher,json=domainMatcher,proto3" json:"domain_matcher,omitempty"`
 }

 func (x *RoutingRule) Reset() {
@@ -582,7 +582,7 @@ func (x *RoutingRule) GetDomain() []*Domain {
 	return nil
 }

-// Deprecated: Marked as deprecated in app/router/config.proto.
+// Deprecated: Do not use.
 func (x *RoutingRule) GetCidr() []*CIDR {
 	if x != nil {
 		return x.Cidr
@@ -597,7 +597,7 @@ func (x *RoutingRule) GetGeoip() []*GeoIP {
 	return nil
 }

-// Deprecated: Marked as deprecated in app/router/config.proto.
+// Deprecated: Do not use.
 func (x *RoutingRule) GetPortRange() *net.PortRange {
 	if x != nil {
 		return x.PortRange
@@ -612,7 +612,7 @@ func (x *RoutingRule) GetPortList() *net.PortList {
 	return nil
 }

-// Deprecated: Marked as deprecated in app/router/config.proto.
+// Deprecated: Do not use.
 func (x *RoutingRule) GetNetworkList() *net.NetworkList {
 	if x != nil {
 		return x.NetworkList
@@ -627,7 +627,7 @@ func (x *RoutingRule) GetNetworks() []net.Network {
 	return nil
 }

-// Deprecated: Marked as deprecated in app/router/config.proto.
+// Deprecated: Do not use.
 func (x *RoutingRule) GetSourceCidr() []*CIDR {
 	if x != nil {
 		return x.SourceCidr
@@ -670,11 +670,11 @@ func (x *RoutingRule) GetProtocol() []string {
 	return nil
 }

-func (x *RoutingRule) GetAttributes() map[string]string {
+func (x *RoutingRule) GetAttributes() string {
 	if x != nil {
 		return x.Attributes
 	}
-	return nil
+	return ""
 }

 func (x *RoutingRule) GetDomainMatcher() string {
@@ -969,7 +969,7 @@ var file_app_router_config_proto_rawDesc = []byte{
 	0x74, 0x65, 0x4c, 0x69, 0x73, 0x74, 0x12, 0x2e, 0x0a, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18,
 	0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x61, 0x70, 0x70,
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+	0x33,
 }

 var (
@@ -1073,7 +1067,7 @@ func file_app_router_config_proto_rawDescGZIP() []byte {
 }

 var file_app_router_config_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_app_router_config_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
+var file_app_router_config_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
 var file_app_router_config_proto_goTypes = []interface{}{
 	(Domain_Type)(0),           // 0: xray.app.router.Domain.Type
 	(Config_DomainStrategy)(0), // 1: xray.app.router.Config.DomainStrategy
@@ -1087,11 +1081,10 @@ var file_app_router_config_proto_goTypes = []interface{}{
 	(*BalancingRule)(nil),      // 9: xray.app.router.BalancingRule
 	(*Config)(nil),             // 10: xray.app.router.Config
 	(*Domain_Attribute)(nil),   // 11: xray.app.router.Domain.Attribute
-	nil,                        // 12: xray.app.router.RoutingRule.AttributesEntry
-	(*net.PortRange)(nil),      // 13: xray.common.net.PortRange
-	(*net.PortList)(nil),       // 14: xray.common.net.PortList
-	(*net.NetworkList)(nil),    // 15: xray.common.net.NetworkList
-	(net.Network)(0),           // 16: xray.common.net.Network
+	(*net.PortRange)(nil),      // 12: xray.common.net.PortRange
+	(*net.PortList)(nil),       // 13: xray.common.net.PortList
+	(*net.NetworkList)(nil),    // 14: xray.common.net.NetworkList
+	(net.Network)(0),           // 15: xray.common.net.Network
 }
 var file_app_router_config_proto_depIdxs = []int32{
 	0,  // 0: xray.app.router.Domain.type:type_name -> xray.app.router.Domain.Type
@@ -1103,22 +1096,21 @@ var file_app_router_config_proto_depIdxs = []int32{
 	2,  // 6: xray.app.router.RoutingRule.domain:type_name -> xray.app.router.Domain
 	3,  // 7: xray.app.router.RoutingRule.cidr:type_name -> xray.app.router.CIDR
 	4,  // 8: xray.app.router.RoutingRule.geoip:type_name -> xray.app.router.GeoIP
-	13, // 9: xray.app.router.RoutingRule.port_range:type_name -> xray.common.net.PortRange
-	14, // 10: xray.app.router.RoutingRule.port_list:type_name -> xray.common.net.PortList
-	15, // 11: xray.app.router.RoutingRule.network_list:type_name -> xray.common.net.NetworkList
-	16, // 12: xray.app.router.RoutingRule.networks:type_name -> xray.common.net.Network
+	12, // 9: xray.app.router.RoutingRule.port_range:type_name -> xray.common.net.PortRange
+	13, // 10: xray.app.router.RoutingRule.port_list:type_name -> xray.common.net.PortList
+	14, // 11: xray.app.router.RoutingRule.network_list:type_name -> xray.common.net.NetworkList
+	15, // 12: xray.app.router.RoutingRule.networks:type_name -> xray.common.net.Network
 	3,  // 13: xray.app.router.RoutingRule.source_cidr:type_name -> xray.app.router.CIDR
 	4,  // 14: xray.app.router.RoutingRule.source_geoip:type_name -> xray.app.router.GeoIP
-	14, // 15: xray.app.router.RoutingRule.source_port_list:type_name -> xray.common.net.PortList
-	12, // 16: xray.app.router.RoutingRule.attributes:type_name -> xray.app.router.RoutingRule.AttributesEntry
-	1,  // 17: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
-	8,  // 18: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
-	9,  // 19: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
-	20, // [20:20] is the sub-list for method output_type
-	20, // [20:20] is the sub-list for method input_type
-	20, // [20:20] is the sub-list for extension type_name
-	20, // [20:20] is the sub-list for extension extendee
-	0,  // [0:20] is the sub-list for field type_name
+	13, // 15: xray.app.router.RoutingRule.source_port_list:type_name -> xray.common.net.PortList
+	1,  // 16: xray.app.router.Config.domain_strategy:type_name -> xray.app.router.Config.DomainStrategy
+	8,  // 17: xray.app.router.Config.rule:type_name -> xray.app.router.RoutingRule
+	9,  // 18: xray.app.router.Config.balancing_rule:type_name -> xray.app.router.BalancingRule
+	19, // [19:19] is the sub-list for method output_type
+	19, // [19:19] is the sub-list for method input_type
+	19, // [19:19] is the sub-list for extension type_name
+	19, // [19:19] is the sub-list for extension extendee
+	0,  // [0:19] is the sub-list for field type_name
 }

 func init() { file_app_router_config_proto_init() }
@@ -1262,7 +1254,7 @@ func file_app_router_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_app_router_config_proto_rawDesc,
 			NumEnums:      2,
-			NumMessages:   11,
+			NumMessages:   10,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
@@ -119,7 +119,7 @@ message RoutingRule {
  repeated string inbound_tag = 8;
  repeated string protocol = 9;

-  map<string, string> attributes = 15;
+  string attributes = 15;

  string domain_matcher = 17;
 }
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/stats/command/command.proto

 package command
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.3.0
-// - protoc             v4.23.1
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
 // source: app/stats/command/command.proto

 package command
@@ -18,12 +18,6 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

-const (
-	StatsService_GetStats_FullMethodName    = "/xray.app.stats.command.StatsService/GetStats"
-	StatsService_QueryStats_FullMethodName  = "/xray.app.stats.command.StatsService/QueryStats"
-	StatsService_GetSysStats_FullMethodName = "/xray.app.stats.command.StatsService/GetSysStats"
-)
-
 // StatsServiceClient is the client API for StatsService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -43,7 +37,7 @@ func NewStatsServiceClient(cc grpc.ClientConnInterface) StatsServiceClient {

 func (c *statsServiceClient) GetStats(ctx context.Context, in *GetStatsRequest, opts ...grpc.CallOption) (*GetStatsResponse, error) {
 	out := new(GetStatsResponse)
-	err := c.cc.Invoke(ctx, StatsService_GetStats_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/GetStats", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -52,7 +46,7 @@ func (c *statsServiceClient) GetStats(ctx context.Context, in *GetStatsRequest,

 func (c *statsServiceClient) QueryStats(ctx context.Context, in *QueryStatsRequest, opts ...grpc.CallOption) (*QueryStatsResponse, error) {
 	out := new(QueryStatsResponse)
-	err := c.cc.Invoke(ctx, StatsService_QueryStats_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/QueryStats", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -61,7 +55,7 @@ func (c *statsServiceClient) QueryStats(ctx context.Context, in *QueryStatsReque

 func (c *statsServiceClient) GetSysStats(ctx context.Context, in *SysStatsRequest, opts ...grpc.CallOption) (*SysStatsResponse, error) {
 	out := new(SysStatsResponse)
-	err := c.cc.Invoke(ctx, StatsService_GetSysStats_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/xray.app.stats.command.StatsService/GetSysStats", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -114,7 +108,7 @@ func _StatsService_GetStats_Handler(srv interface{}, ctx context.Context, dec fu
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: StatsService_GetStats_FullMethodName,
+		FullMethod: "/xray.app.stats.command.StatsService/GetStats",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(StatsServiceServer).GetStats(ctx, req.(*GetStatsRequest))
@@ -132,7 +126,7 @@ func _StatsService_QueryStats_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: StatsService_QueryStats_FullMethodName,
+		FullMethod: "/xray.app.stats.command.StatsService/QueryStats",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(StatsServiceServer).QueryStats(ctx, req.(*QueryStatsRequest))
@@ -150,7 +144,7 @@ func _StatsService_GetSysStats_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: StatsService_GetSysStats_FullMethodName,
+		FullMethod: "/xray.app.stats.command.StatsService/GetSysStats",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(StatsServiceServer).GetSysStats(ctx, req.(*SysStatsRequest))
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: app/stats/config.proto

 package stats
@@ -1,38 +0,0 @@
-package buf
-
-import (
-	"github.com/xtls/xray-core/common/net"
-)
-
-type EndpointOverrideReader struct {
-	Reader
-	Dest         net.Address
-	OriginalDest net.Address
-}
-
-func (r *EndpointOverrideReader) ReadMultiBuffer() (MultiBuffer, error) {
-	mb, err := r.Reader.ReadMultiBuffer()
-	if err == nil {
-		for _, b := range mb {
-			if b.UDP != nil && b.UDP.Address == r.OriginalDest {
-				b.UDP.Address = r.Dest
-			}
-		}
-	}
-	return mb, err
-}
-
-type EndpointOverrideWriter struct {
-	Writer
-	Dest         net.Address
-	OriginalDest net.Address
-}
-
-func (w *EndpointOverrideWriter) WriteMultiBuffer(mb MultiBuffer) error {
-	for _, b := range mb {
-		if b.UDP != nil && b.UDP.Address == w.Dest {
-			b.UDP.Address = w.OriginalDest
-		}
-	}
-	return w.Writer.WriteMultiBuffer(mb)
-}
@@ -28,20 +28,3 @@ func Combine(maybeError ...error) error {
 	}
 	return errs
 }
-
-func AllEqual(expected error, actual error) bool {
-	switch errs := actual.(type) {
-	case multiError:
-		if len(errs) == 0 {
-			return false
-		}
-		for _, err := range errs {
-			if err != expected {
-				return false
-			}
-		}
-		return true
-	default:
-		return errs == expected
-	}
-}
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/log/log.proto

 package log
@@ -14,7 +14,6 @@ import (
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal/done"
 	"github.com/xtls/xray-core/common/task"
-	"github.com/xtls/xray-core/common/xudp"
 	"github.com/xtls/xray-core/proxy"
 	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
@@ -248,20 +247,22 @@ func fetchInput(ctx context.Context, s *Session, output buf.Writer) {
 		transferType = protocol.TransferTypePacket
 	}
 	s.transferType = transferType
-	writer := NewWriter(s.ID, dest, output, transferType, xudp.GetGlobalID(ctx))
-	defer s.Close(false)
+	writer := NewWriter(s.ID, dest, output, transferType)
+	defer s.Close()
 	defer writer.Close()

 	newError("dispatching request to ", dest).WriteToLog(session.ExportIDToError(ctx))
 	if err := writeFirstPayload(s.input, writer); err != nil {
 		newError("failed to write first payload").Base(err).WriteToLog(session.ExportIDToError(ctx))
 		writer.hasError = true
+		common.Interrupt(s.input)
 		return
 	}

 	if err := buf.Copy(s.input, writer); err != nil {
 		newError("failed to fetch all input").Base(err).WriteToLog(session.ExportIDToError(ctx))
 		writer.hasError = true
+		common.Interrupt(s.input)
 		return
 	}
 }
@@ -334,8 +335,15 @@ func (m *ClientWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere
 	err := buf.Copy(rr, s.output)
 	if err != nil && buf.IsWriteError(err) {
 		newError("failed to write to downstream. closing session ", s.ID).Base(err).WriteToLog()
-		s.Close(false)
-		return buf.Copy(rr, buf.Discard)
+
+		// Notify remote peer to close this session.
+		closingWriter := NewResponseWriter(meta.SessionID, m.link.Writer, protocol.TransferTypeStream)
+		closingWriter.Close()
+
+		drainErr := buf.Copy(rr, buf.Discard)
+		common.Interrupt(s.input)
+		s.Close()
+		return drainErr
 	}

 	return err
@@ -343,7 +351,12 @@ func (m *ClientWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere

 func (m *ClientWorker) handleStatusEnd(meta *FrameMetadata, reader *buf.BufferedReader) error {
 	if s, found := m.sessionManager.Get(meta.SessionID); found {
-		s.Close(false)
+		if meta.Option.Has(OptionError) {
+			common.Interrupt(s.input)
+			common.Interrupt(s.output)
+		}
+		common.Interrupt(s.input)
+		s.Close()
 	}
 	if meta.Option.Has(OptionData) {
 		return buf.Copy(NewStreamReader(reader), buf.Discard)
@@ -58,7 +58,6 @@ type FrameMetadata struct {
 	SessionID     uint16
 	Option        bitmask.Byte
 	SessionStatus SessionStatus
-	GlobalID      [8]byte
 }

 func (f FrameMetadata) WriteTo(b *buf.Buffer) error {
@@ -82,9 +81,6 @@ func (f FrameMetadata) WriteTo(b *buf.Buffer) error {
 		if err := addrParser.WriteAddressPort(b, f.Target.Address, f.Target.Port); err != nil {
 			return err
 		}
-		if b.UDP != nil { // make sure it's user's proxy request
-			b.Write(f.GlobalID[:]) // no need to check whether it's empty
-		}
 	} else if b.UDP != nil {
 		b.WriteByte(byte(TargetNetworkUDP))
 		addrParser.WriteAddressPort(b, b.UDP.Address, b.UDP.Port)
@@ -126,8 +122,7 @@ func (f *FrameMetadata) UnmarshalFromBuffer(b *buf.Buffer) error {
 	f.Option = bitmask.Byte(b.Byte(3))
 	f.Target.Network = net.Network_Unknown

-	if f.SessionStatus == SessionStatusNew || (f.SessionStatus == SessionStatusKeep && b.Len() > 4 &&
-		TargetNetwork(b.Byte(4)) == TargetNetworkUDP) { // MUST check the flag first
+	if f.SessionStatus == SessionStatusNew || (f.SessionStatus == SessionStatusKeep && b.Len() != 4) {
 		if b.Len() < 8 {
 			return newError("insufficient buffer: ", b.Len())
 		}
@@ -149,11 +144,5 @@ func (f *FrameMetadata) UnmarshalFromBuffer(b *buf.Buffer) error {
 		}
 	}

-	// Application data is essential, to test whether the pipe is closed.
-	if f.SessionStatus == SessionStatusNew && f.Option.Has(OptionData) &&
-		f.Target.Network == net.Network_UDP && b.Len() >= 8 {
-		copy(f.GlobalID[:], b.Bytes())
-	}
-
 	return nil
 }
@@ -32,13 +32,13 @@ func TestReaderWriter(t *testing.T) {
 	pReader, pWriter := pipe.New(pipe.WithSizeLimit(1024))

 	dest := net.TCPDestination(net.DomainAddress("example.com"), 80)
-	writer := NewWriter(1, dest, pWriter, protocol.TransferTypeStream, [8]byte{})
+	writer := NewWriter(1, dest, pWriter, protocol.TransferTypeStream)

 	dest2 := net.TCPDestination(net.LocalHostIP, 443)
-	writer2 := NewWriter(2, dest2, pWriter, protocol.TransferTypeStream, [8]byte{})
+	writer2 := NewWriter(2, dest2, pWriter, protocol.TransferTypeStream)

 	dest3 := net.TCPDestination(net.LocalHostIPv6, 18374)
-	writer3 := NewWriter(3, dest3, pWriter, protocol.TransferTypeStream, [8]byte{})
+	writer3 := NewWriter(3, dest3, pWriter, protocol.TransferTypeStream)

 	writePayload := func(writer *Writer, payload ...byte) error {
 		b := buf.New()
@@ -99,7 +99,7 @@ func handle(ctx context.Context, s *Session, output buf.Writer) {
 	}

 	writer.Close()
-	s.Close(false)
+	s.Close()
 }

 func (w *ServerWorker) ActiveConnections() uint32 {
@@ -131,81 +131,6 @@ func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata,
 		}
 		ctx = log.ContextWithAccessMessage(ctx, msg)
 	}
-
-	if network := session.AllowedNetworkFromContext(ctx); network != net.Network_Unknown {
-		if meta.Target.Network != network {
-			return newError("unexpected network ", meta.Target.Network) // it will break the whole Mux connection
-		}
-	}
-
-	if meta.GlobalID != [8]byte{} { // MUST ignore empty Global ID
-		mb, err := NewPacketReader(reader, &meta.Target).ReadMultiBuffer()
-		if err != nil {
-			return err
-		}
-		XUDPManager.Lock()
-		x := XUDPManager.Map[meta.GlobalID]
-		if x == nil {
-			x = &XUDP{GlobalID: meta.GlobalID}
-			XUDPManager.Map[meta.GlobalID] = x
-			XUDPManager.Unlock()
-		} else {
-			if x.Status == Initializing { // nearly impossible
-				XUDPManager.Unlock()
-				newError("XUDP hit ", meta.GlobalID).Base(errors.New("conflict")).AtWarning().WriteToLog(session.ExportIDToError(ctx))
-				// It's not a good idea to return an err here, so just let client wait.
-				// Client will receive an End frame after sending a Keep frame.
-				return nil
-			}
-			x.Status = Initializing
-			XUDPManager.Unlock()
-			x.Mux.Close(false) // detach from previous Mux
-			b := buf.New()
-			b.Write(mb[0].Bytes())
-			b.UDP = mb[0].UDP
-			if err = x.Mux.output.WriteMultiBuffer(mb); err != nil {
-				x.Interrupt()
-				mb = buf.MultiBuffer{b}
-			} else {
-				b.Release()
-				mb = nil
-			}
-			newError("XUDP hit ", meta.GlobalID).Base(err).WriteToLog(session.ExportIDToError(ctx))
-		}
-		if mb != nil {
-			ctx = session.ContextWithTimeoutOnly(ctx, true)
-			// Actually, it won't return an error in Xray-core's implementations.
-			link, err := w.dispatcher.Dispatch(ctx, meta.Target)
-			if err != nil {
-				XUDPManager.Lock()
-				delete(XUDPManager.Map, x.GlobalID)
-				XUDPManager.Unlock()
-				err = newError("XUDP new ", meta.GlobalID).Base(errors.New("failed to dispatch request to ", meta.Target).Base(err))
-				return err // it will break the whole Mux connection
-			}
-			link.Writer.WriteMultiBuffer(mb) // it's meaningless to test a new pipe
-			x.Mux = &Session{
-				input:  link.Reader,
-				output: link.Writer,
-			}
-			newError("XUDP new ", meta.GlobalID).Base(err).WriteToLog(session.ExportIDToError(ctx))
-		}
-		x.Mux = &Session{
-			input:        x.Mux.input,
-			output:       x.Mux.output,
-			parent:       w.sessionManager,
-			ID:           meta.SessionID,
-			transferType: protocol.TransferTypePacket,
-			XUDP:         x,
-		}
-		go handle(ctx, x.Mux, w.link.Writer)
-		x.Status = Active
-		if !w.sessionManager.Add(x.Mux) {
-			x.Mux.Close(false)
-		}
-		return nil
-	}
-
 	link, err := w.dispatcher.Dispatch(ctx, meta.Target)
 	if err != nil {
 		if meta.Option.Has(OptionData) {
@@ -232,7 +157,8 @@ func (w *ServerWorker) handleStatusNew(ctx context.Context, meta *FrameMetadata,
 	rr := s.NewReader(reader, &meta.Target)
 	if err := buf.Copy(rr, s.output); err != nil {
 		buf.Copy(rr, buf.Discard)
-		return s.Close(false)
+		common.Interrupt(s.input)
+		return s.Close()
 	}
 	return nil
 }
@@ -256,8 +182,15 @@ func (w *ServerWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere

 	if err != nil && buf.IsWriteError(err) {
 		newError("failed to write to downstream writer. closing session ", s.ID).Base(err).WriteToLog()
-		s.Close(false)
-		return buf.Copy(rr, buf.Discard)
+
+		// Notify remote peer to close this session.
+		closingWriter := NewResponseWriter(meta.SessionID, w.link.Writer, protocol.TransferTypeStream)
+		closingWriter.Close()
+
+		drainErr := buf.Copy(rr, buf.Discard)
+		common.Interrupt(s.input)
+		s.Close()
+		return drainErr
 	}

 	return err
@@ -265,7 +198,12 @@ func (w *ServerWorker) handleStatusKeep(meta *FrameMetadata, reader *buf.Buffere

 func (w *ServerWorker) handleStatusEnd(meta *FrameMetadata, reader *buf.BufferedReader) error {
 	if s, found := w.sessionManager.Get(meta.SessionID); found {
-		s.Close(false)
+		if meta.Option.Has(OptionError) {
+			common.Interrupt(s.input)
+			common.Interrupt(s.output)
+		}
+		common.Interrupt(s.input)
+		s.Close()
 	}
 	if meta.Option.Has(OptionData) {
 		return buf.Copy(NewStreamReader(reader), buf.Discard)
@@ -1,16 +1,12 @@
 package mux

 import (
-	"io"
-	"runtime"
 	"sync"
-	"time"

 	"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/protocol"
-	"github.com/xtls/xray-core/transport/pipe"
 )

 type SessionManager struct {
@@ -65,25 +61,21 @@ func (m *SessionManager) Allocate() *Session {
 	return s
 }

-func (m *SessionManager) Add(s *Session) bool {
+func (m *SessionManager) Add(s *Session) {
 	m.Lock()
 	defer m.Unlock()

 	if m.closed {
-		return false
+		return
 	}

 	m.count++
 	m.sessions[s.ID] = s
-	return true
 }

-func (m *SessionManager) Remove(locked bool, id uint16) {
-	if !locked {
-		m.Lock()
-		defer m.Unlock()
-	}
-	locked = true
+func (m *SessionManager) Remove(id uint16) {
+	m.Lock()
+	defer m.Unlock()

 	if m.closed {
 		return
@@ -91,11 +83,9 @@ func (m *SessionManager) Remove(locked bool, id uint16) {

 	delete(m.sessions, id)

-	/*
-		if len(m.sessions) == 0 {
-			m.sessions = make(map[uint16]*Session, 16)
-		}
-	*/
+	if len(m.sessions) == 0 {
+		m.sessions = make(map[uint16]*Session, 16)
+	}
 }

 func (m *SessionManager) Get(id uint16) (*Session, bool) {
@@ -137,7 +127,8 @@ func (m *SessionManager) Close() error {
 	m.closed = true

 	for _, s := range m.sessions {
-		s.Close(true)
+		common.Close(s.input)
+		common.Close(s.output)
 	}

 	m.sessions = nil
@@ -151,40 +142,13 @@ type Session struct {
 	parent       *SessionManager
 	ID           uint16
 	transferType protocol.TransferType
-	closed       bool
-	XUDP         *XUDP
 }

 // Close closes all resources associated with this session.
-func (s *Session) Close(locked bool) error {
-	if !locked {
-		s.parent.Lock()
-		defer s.parent.Unlock()
-	}
-	locked = true
-	if s.closed {
-		return nil
-	}
-	s.closed = true
-	if s.XUDP == nil {
-		common.Interrupt(s.input)
-		common.Close(s.output)
-	} else {
-		// Stop existing handle(), then trigger writer.Close().
-		// Note that s.output may be dispatcher.SizeStatWriter.
-		s.input.(*pipe.Reader).ReturnAnError(io.EOF)
-		runtime.Gosched()
-		// If the error set by ReturnAnError still exists, clear it.
-		s.input.(*pipe.Reader).Recover()
-		XUDPManager.Lock()
-		if s.XUDP.Status == Active {
-			s.XUDP.Expire = time.Now().Add(time.Minute)
-			s.XUDP.Status = Expiring
-			newError("XUDP put ", s.XUDP.GlobalID).AtDebug().WriteToLog()
-		}
-		XUDPManager.Unlock()
-	}
-	s.parent.Remove(locked, s.ID)
+func (s *Session) Close() error {
+	common.Close(s.output)
+	common.Close(s.input)
+	s.parent.Remove(s.ID)
 	return nil
 }

@@ -195,45 +159,3 @@ func (s *Session) NewReader(reader *buf.BufferedReader, dest *net.Destination) b
 	}
 	return NewPacketReader(reader, dest)
 }
-
-const (
-	Initializing = 0
-	Active       = 1
-	Expiring     = 2
-)
-
-type XUDP struct {
-	GlobalID [8]byte
-	Status   uint64
-	Expire   time.Time
-	Mux      *Session
-}
-
-func (x *XUDP) Interrupt() {
-	common.Interrupt(x.Mux.input)
-	common.Close(x.Mux.output)
-}
-
-var XUDPManager struct {
-	sync.Mutex
-	Map map[[8]byte]*XUDP
-}
-
-func init() {
-	XUDPManager.Map = make(map[[8]byte]*XUDP)
-	go func() {
-		for {
-			time.Sleep(time.Minute)
-			now := time.Now()
-			XUDPManager.Lock()
-			for id, x := range XUDPManager.Map {
-				if x.Status == Expiring && now.After(x.Expire) {
-					x.Interrupt()
-					delete(XUDPManager.Map, id)
-					newError("XUDP del ", id).AtDebug().WriteToLog()
-				}
-			}
-			XUDPManager.Unlock()
-		}
-	}()
-}
@@ -44,7 +44,7 @@ func TestSessionManagerClose(t *testing.T) {
 	if m.CloseIfNoSession() {
 		t.Error("able to close")
 	}
-	m.Remove(false, s.ID)
+	m.Remove(s.ID)
 	if !m.CloseIfNoSession() {
 		t.Error("not able to close")
 	}
@@ -15,17 +15,15 @@ type Writer struct {
 	followup     bool
 	hasError     bool
 	transferType protocol.TransferType
-	globalID     [8]byte
 }

-func NewWriter(id uint16, dest net.Destination, writer buf.Writer, transferType protocol.TransferType, globalID [8]byte) *Writer {
+func NewWriter(id uint16, dest net.Destination, writer buf.Writer, transferType protocol.TransferType) *Writer {
 	return &Writer{
 		id:           id,
 		dest:         dest,
 		writer:       writer,
 		followup:     false,
 		transferType: transferType,
-		globalID:     globalID,
 	}
 }

@@ -42,7 +40,6 @@ func (w *Writer) getNextFrameMeta() FrameMetadata {
 	meta := FrameMetadata{
 		SessionID: w.id,
 		Target:    w.dest,
-		GlobalID:  w.globalID,
 	}

 	if w.followup {
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/net/address.proto

 package net
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/net/destination.proto

 package net
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/net/network.proto

 package net
@@ -24,7 +24,7 @@ type Network int32

 const (
 	Network_Unknown Network = 0
-	// Deprecated: Marked as deprecated in common/net/network.proto.
+	// Deprecated: Do not use.
 	Network_RawTCP Network = 1
 	Network_TCP    Network = 2
 	Network_UDP    Network = 3
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/net/port.proto

 package net
@@ -3,10 +3,11 @@ 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"
-	"golang.org/x/sys/cpu"
 )

 // RequestCommand is a custom command in a proxy request.
@@ -30,10 +31,11 @@ func (c RequestCommand) TransferType() TransferType {
 }

 const (
-	// [DEPRECATED 2023-06] RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
+	// RequestOptionChunkStream indicates request payload is chunked. Each chunk consists of length, authentication and payload.
 	RequestOptionChunkStream bitmask.Byte = 0x01

-	// 0x02 legacy setting
+	// RequestOptionConnectionReuse indicates client side expects to reuse the connection.
+	RequestOptionConnectionReuse bitmask.Byte = 0x02

 	RequestOptionChunkMasking bitmask.Byte = 0x04

@@ -75,6 +77,7 @@ type CommandSwitchAccount struct {
 	Port     net.Port
 	ID       uuid.UUID
 	Level    uint32
+	AlterIds uint16
 	ValidMin byte
 }

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/protocol/headers.proto

 package protocol
@@ -24,10 +24,11 @@ type SecurityType int32

 const (
 	SecurityType_UNKNOWN           SecurityType = 0
+	SecurityType_LEGACY            SecurityType = 1
 	SecurityType_AUTO              SecurityType = 2
 	SecurityType_AES128_GCM        SecurityType = 3
 	SecurityType_CHACHA20_POLY1305 SecurityType = 4
-	SecurityType_NONE              SecurityType = 5 // [DEPRECATED 2023-06]
+	SecurityType_NONE              SecurityType = 5
 	SecurityType_ZERO              SecurityType = 6
 )

@@ -35,6 +36,7 @@ const (
 var (
 	SecurityType_name = map[int32]string{
 		0: "UNKNOWN",
+		1: "LEGACY",
 		2: "AUTO",
 		3: "AES128_GCM",
 		4: "CHACHA20_POLY1305",
@@ -43,6 +45,7 @@ var (
 	}
 	SecurityType_value = map[string]int32{
 		"UNKNOWN":           0,
+		"LEGACY":            1,
 		"AUTO":              2,
 		"AES128_GCM":        3,
 		"CHACHA20_POLY1305": 4,
@@ -136,19 +139,20 @@ var file_common_protocol_headers_proto_rawDesc = []byte{
 	0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x22, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d,
 	0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x2e, 0x53, 0x65, 0x63,
 	0x75, 0x72, 0x69, 0x74, 0x79, 0x54, 0x79, 0x70, 0x65, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x2a,
-	0x60, 0x0a, 0x0c, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x54, 0x79, 0x70, 0x65, 0x12,
-	0x0b, 0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x08, 0x0a, 0x04,
-	0x41, 0x55, 0x54, 0x4f, 0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x41, 0x45, 0x53, 0x31, 0x32, 0x38,
-	0x5f, 0x47, 0x43, 0x4d, 0x10, 0x03, 0x12, 0x15, 0x0a, 0x11, 0x43, 0x48, 0x41, 0x43, 0x48, 0x41,
-	0x32, 0x30, 0x5f, 0x50, 0x4f, 0x4c, 0x59, 0x31, 0x33, 0x30, 0x35, 0x10, 0x04, 0x12, 0x08, 0x0a,
-	0x04, 0x4e, 0x4f, 0x4e, 0x45, 0x10, 0x05, 0x12, 0x08, 0x0a, 0x04, 0x5a, 0x45, 0x52, 0x4f, 0x10,
-	0x06, 0x42, 0x5e, 0x0a, 0x18, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f,
-	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 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, 0x63, 0x6f, 0x6d, 0x6d, 0x6f,
-	0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0xaa, 0x02, 0x14, 0x58, 0x72, 0x61,
-	0x79, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f,
-	0x6c, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6c, 0x0a, 0x0c, 0x53, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x54, 0x79, 0x70, 0x65, 0x12,
+	0x0b, 0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06,
+	0x4c, 0x45, 0x47, 0x41, 0x43, 0x59, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04, 0x41, 0x55, 0x54, 0x4f,
+	0x10, 0x02, 0x12, 0x0e, 0x0a, 0x0a, 0x41, 0x45, 0x53, 0x31, 0x32, 0x38, 0x5f, 0x47, 0x43, 0x4d,
+	0x10, 0x03, 0x12, 0x15, 0x0a, 0x11, 0x43, 0x48, 0x41, 0x43, 0x48, 0x41, 0x32, 0x30, 0x5f, 0x50,
+	0x4f, 0x4c, 0x59, 0x31, 0x33, 0x30, 0x35, 0x10, 0x04, 0x12, 0x08, 0x0a, 0x04, 0x4e, 0x4f, 0x4e,
+	0x45, 0x10, 0x05, 0x12, 0x08, 0x0a, 0x04, 0x5a, 0x45, 0x52, 0x4f, 0x10, 0x06, 0x42, 0x5e, 0x0a,
+	0x18, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 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, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0xaa, 0x02, 0x14, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x43, 0x6f,
+	0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
@@ -8,10 +8,11 @@ option java_multiple_files = true;

 enum SecurityType {
  UNKNOWN = 0;
+  LEGACY = 1;
  AUTO = 2;
  AES128_GCM = 3;
  CHACHA20_POLY1305 = 4;
-  NONE = 5; // [DEPRECATED 2023-06] 
+  NONE = 5;
  ZERO = 6;
 }

@@ -1,7 +1,9 @@
 package protocol

 import (
+	"crypto/hmac"
 	"crypto/md5"
+	"hash"

 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/uuid"
@@ -11,6 +13,12 @@ const (
 	IDBytesLen = 16
 )

+type IDHash func(key []byte) hash.Hash
+
+func DefaultIDHash(key []byte) hash.Hash {
+	return hmac.New(md5.New, key)
+}
+
 // The ID of en entity, in the form of a UUID.
 type ID struct {
 	uuid   uuid.UUID
@@ -47,3 +55,28 @@ func NewID(uuid uuid.UUID) *ID {
 	md5hash.Sum(id.cmdKey[:0])
 	return id
 }
+
+func nextID(u *uuid.UUID) uuid.UUID {
+	md5hash := md5.New()
+	common.Must2(md5hash.Write(u.Bytes()))
+	common.Must2(md5hash.Write([]byte("16167dc8-16b6-4e6d-b8bb-65dd68113a81")))
+	var newid uuid.UUID
+	for {
+		md5hash.Sum(newid[:0])
+		if !newid.Equals(u) {
+			return newid
+		}
+		common.Must2(md5hash.Write([]byte("533eff8a-4113-4b10-b5ce-0f5d76b98cd2")))
+	}
+}
+
+func NewAlterIDs(primary *ID, alterIDCount uint16) []*ID {
+	alterIDs := make([]*ID, alterIDCount)
+	prevID := primary.UUID()
+	for idx := range alterIDs {
+		newid := nextID(&prevID)
+		alterIDs[idx] = NewID(newid)
+		prevID = newid
+	}
+	return alterIDs
+}
@@ -10,7 +10,6 @@ import (
 	"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/bytespool"
 	"github.com/xtls/xray-core/common/errors"
 	ptls "github.com/xtls/xray-core/common/protocol/tls"
 	"golang.org/x/crypto/hkdf"
@@ -142,7 +141,7 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		packetNumber = uint32(n)
 	}

-	if packetNumber != 0 && packetNumber != 1 {
+	if packetNumber != 0 {
 		return nil, errNotQuicInitial
 	}

@@ -160,92 +159,32 @@ func SniffQUIC(b []byte) (*SniffHeader, error) {
 		return nil, err
 	}
 	buffer = buf.FromBytes(decrypted)
-
-	cryptoLen := uint(0)
-	cryptoData := bytespool.Alloc(buffer.Len())
-	defer bytespool.Free(cryptoData)
-	for i := 0; !buffer.IsEmpty(); i++ {
-		frameType := byte(0x0) // Default to PADDING frame
-		for frameType == 0x0 && !buffer.IsEmpty() {
-			frameType, _ = buffer.ReadByte()
-		}
-		switch frameType {
-		case 0x00: // PADDING frame
-		case 0x01: // PING frame
-		case 0x02, 0x03: // ACK frame
-			if _, err = quicvarint.Read(buffer); err != nil { // Field: Largest Acknowledged
-				return nil, io.ErrUnexpectedEOF
-			}
-			if _, err = quicvarint.Read(buffer); err != nil { // Field: ACK Delay
-				return nil, io.ErrUnexpectedEOF
-			}
-			ackRangeCount, err := quicvarint.Read(buffer) // Field: ACK Range Count
-			if err != nil {
-				return nil, io.ErrUnexpectedEOF
-			}
-			if _, err = quicvarint.Read(buffer); err != nil { // Field: First ACK Range
-				return nil, io.ErrUnexpectedEOF
-			}
-			for i := 0; i < int(ackRangeCount); i++ { // Field: ACK Range
-				if _, err = quicvarint.Read(buffer); err != nil { // Field: ACK Range -> Gap
-					return nil, io.ErrUnexpectedEOF
-				}
-				if _, err = quicvarint.Read(buffer); err != nil { // Field: ACK Range -> ACK Range Length
-					return nil, io.ErrUnexpectedEOF
-				}
-			}
-			if frameType == 0x03 {
-				if _, err = quicvarint.Read(buffer); err != nil { // Field: ECN Counts -> ECT0 Count
-					return nil, io.ErrUnexpectedEOF
-				}
-				if _, err = quicvarint.Read(buffer); err != nil { // Field: ECN Counts -> ECT1 Count
-					return nil, io.ErrUnexpectedEOF
-				}
-				if _, err = quicvarint.Read(buffer); err != nil { //nolint:misspell // Field: ECN Counts -> ECT-CE Count
-					return nil, io.ErrUnexpectedEOF
-				}
-			}
-		case 0x06: // CRYPTO frame, we will use this frame
-			offset, err := quicvarint.Read(buffer) // Field: Offset
-			if err != nil {
-				return nil, io.ErrUnexpectedEOF
-			}
-			length, err := quicvarint.Read(buffer) // Field: Length
-			if err != nil || length > uint64(buffer.Len()) {
-				return nil, io.ErrUnexpectedEOF
-			}
-			if cryptoLen < uint(offset+length) {
-				cryptoLen = uint(offset + length)
-			}
-			if _, err := buffer.Read(cryptoData[offset : offset+length]); err != nil { // Field: Crypto Data
-				return nil, io.ErrUnexpectedEOF
-			}
-		case 0x1c: // CONNECTION_CLOSE frame, only 0x1c is permitted in initial packet
-			if _, err = quicvarint.Read(buffer); err != nil { // Field: Error Code
-				return nil, io.ErrUnexpectedEOF
-			}
-			if _, err = quicvarint.Read(buffer); err != nil { // Field: Frame Type
-				return nil, io.ErrUnexpectedEOF
-			}
-			length, err := quicvarint.Read(buffer) // Field: Reason Phrase Length
-			if err != nil {
-				return nil, io.ErrUnexpectedEOF
-			}
-			if _, err := buffer.ReadBytes(int32(length)); err != nil { // Field: Reason Phrase
-				return nil, io.ErrUnexpectedEOF
-			}
-		default:
-			// Only above frame types are permitted in initial packet.
-			// See https://www.rfc-editor.org/rfc/rfc9000.html#section-17.2.2-8
-			return nil, errNotQuicInitial
-		}
+	frameType, err := buffer.ReadByte()
+	if err != nil {
+		return nil, io.ErrUnexpectedEOF
 	}
-
+	if frameType != 0x6 {
+		// not crypto frame
+		return &SniffHeader{domain: ""}, nil
+	}
+	if common.Error2(quicvarint.Read(buffer)) != nil {
+		return nil, io.ErrUnexpectedEOF
+	}
+	dataLen, err := quicvarint.Read(buffer)
+	if err != nil {
+		return nil, io.ErrUnexpectedEOF
+	}
+	if dataLen > uint64(buffer.Len()) {
+		return nil, io.ErrUnexpectedEOF
+	}
+	frameData, err := buffer.ReadBytes(int32(dataLen))
+	common.Must(err)
 	tlsHdr := &ptls.SniffHeader{}
-	err = ptls.ReadClientHello(cryptoData[:cryptoLen], tlsHdr)
+	err = ptls.ReadClientHello(frameData, tlsHdr)
 	if err != nil {
 		return nil, err
 	}
+
 	return &SniffHeader{domain: tlsHdr.Domain()}, nil
 }

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/protocol/server_spec.proto

 package protocol
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/protocol/user.proto

 package protocol
@@ -1,9 +1,10 @@
 package serial

 import (
-	"google.golang.org/protobuf/proto"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
+	"errors"
+	"reflect"
+
+	"github.com/golang/protobuf/proto"
 )

 // ToTypedMessage converts a proto Message into TypedMessage.
@@ -20,17 +21,16 @@ func ToTypedMessage(message proto.Message) *TypedMessage {

 // GetMessageType returns the name of this proto Message.
 func GetMessageType(message proto.Message) string {
-	return string(message.ProtoReflect().Descriptor().FullName())
+	return proto.MessageName(message)
 }

 // GetInstance creates a new instance of the message with messageType.
 func GetInstance(messageType string) (interface{}, error) {
-	messageTypeDescriptor := protoreflect.FullName(messageType)
-	mType, err := protoregistry.GlobalTypes.FindMessageByName(messageTypeDescriptor)
-	if err != nil {
-		return nil, err
+	mType := proto.MessageType(messageType)
+	if mType == nil || mType.Elem() == nil {
+		return nil, errors.New("Serial: Unknown type: " + messageType)
 	}
-	return mType.New().Interface(), nil
+	return reflect.New(mType.Elem()).Interface(), nil
 }

 // GetInstance converts current TypedMessage into a proto Message.
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: common/serial/typed_message.proto

 package serial
@@ -2,15 +2,10 @@ package session

 import (
 	"context"
-	_ "unsafe"

-	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/features/routing"
 )

-//go:linkname IndependentCancelCtx context.newCancelCtx
-func IndependentCancelCtx(parent context.Context) context.Context
-
 type sessionKey int

 const (
@@ -22,8 +17,6 @@ const (
 	sockoptSessionKey
 	trackedConnectionErrorKey
 	dispatcherKey
-	timeoutOnlyKey
-	allowedNetworkKey
 )

 // ContextWithID returns a new context with the given ID.
@@ -138,25 +131,3 @@ func DispatcherFromContext(ctx context.Context) routing.Dispatcher {
 	}
 	return nil
 }
-
-func ContextWithTimeoutOnly(ctx context.Context, only bool) context.Context {
-	return context.WithValue(ctx, timeoutOnlyKey, only)
-}
-
-func TimeoutOnlyFromContext(ctx context.Context) bool {
-	if val, ok := ctx.Value(timeoutOnlyKey).(bool); ok {
-		return val
-	}
-	return false
-}
-
-func ContextWithAllowedNetwork(ctx context.Context, network net.Network) context.Context {
-	return context.WithValue(ctx, allowedNetworkKey, network)
-}
-
-func AllowedNetworkFromContext(ctx context.Context) net.Network {
-	if val, ok := ctx.Value(allowedNetworkKey).(net.Network); ok {
-		return val
-	}
-	return net.Network_Unknown
-}
@@ -42,8 +42,6 @@ type Inbound struct {
 	Gateway net.Destination
 	// Tag of the inbound proxy that handles the connection.
 	Tag string
-	// Name of the inbound proxy that handles the connection.
-	Name string
 	// User is the user that authencates for the inbound. May be nil if the protocol allows anounymous traffic.
 	User *protocol.MemoryUser
 	// Conn is actually internet.Connection. May be nil.
@@ -55,9 +53,8 @@ type Inbound struct {
 // Outbound is the metadata of an outbound connection.
 type Outbound struct {
 	// Target address of the outbound connection.
-	OriginalTarget net.Destination
-	Target         net.Destination
-	RouteTarget    net.Destination
+	Target      net.Destination
+	RouteTarget net.Destination
 	// Gateway address
 	Gateway net.Address
 }
@@ -18,25 +18,19 @@ func ToNetwork(network string) net.Network {
 }

 func ToDestination(socksaddr M.Socksaddr, network net.Network) net.Destination {
-	// IsFqdn() implicitly checks if the domain name is valid
 	if socksaddr.IsFqdn() {
 		return net.Destination{
 			Network: network,
 			Address: net.DomainAddress(socksaddr.Fqdn),
 			Port:    net.Port(socksaddr.Port),
 		}
-	}
-
-	// IsIP() implicitly checks if the IP address is valid
-	if socksaddr.IsIP() {
+	} else {
 		return net.Destination{
 			Network: network,
 			Address: net.IPAddress(socksaddr.Addr.AsSlice()),
 			Port:    net.Port(socksaddr.Port),
 		}
 	}
-
-	return net.Destination{}
 }

 func ToSocksaddr(destination net.Destination) M.Socksaddr {
@@ -7,12 +7,7 @@ import (
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/common/net/cnc"
-	"github.com/xtls/xray-core/common/session"
-	"github.com/xtls/xray-core/proxy"
-	"github.com/xtls/xray-core/transport"
 	"github.com/xtls/xray-core/transport/internet"
-	"github.com/xtls/xray-core/transport/pipe"
 )

 var _ N.Dialer = (*XrayDialer)(nil)
@@ -32,28 +27,3 @@ func (d *XrayDialer) DialContext(ctx context.Context, network string, destinatio
 func (d *XrayDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
 	return nil, os.ErrInvalid
 }
-
-type XrayOutboundDialer struct {
-	outbound proxy.Outbound
-	dialer   internet.Dialer
-}
-
-func NewOutboundDialer(outbound proxy.Outbound, dialer internet.Dialer) *XrayOutboundDialer {
-	return &XrayOutboundDialer{outbound, dialer}
-}
-
-func (d *XrayOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	ctx = session.ContextWithOutbound(context.Background(), &session.Outbound{
-		Target: ToDestination(destination, ToNetwork(network)),
-	})
-	opts := []pipe.Option{pipe.WithSizeLimit(64 * 1024)}
-	uplinkReader, uplinkWriter := pipe.New(opts...)
-	downlinkReader, downlinkWriter := pipe.New(opts...)
-	conn := cnc.NewConnection(cnc.ConnectionInputMulti(downlinkWriter), cnc.ConnectionOutputMulti(uplinkReader))
-	go d.outbound.Process(ctx, &transport.Link{Reader: downlinkReader, Writer: uplinkWriter}, d.dialer)
-	return conn, nil
-}
-
-func (d *XrayOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	return nil, os.ErrInvalid
-}
@@ -0,0 +1,43 @@
+package singbridge
+
+import (
+	"context"
+	gotls "crypto/tls"
+	"os"
+
+	E "github.com/sagernet/sing/common/exceptions"
+	M "github.com/sagernet/sing/common/metadata"
+	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/transport/internet"
+	"github.com/xtls/xray-core/transport/internet/tls"
+)
+
+type XrayTLSDialer struct {
+	dialer     internet.Dialer
+	clientFunc tls.CustomClientFunc
+}
+
+func NewTLSDialer(dialer internet.Dialer, clientFunc tls.CustomClientFunc) *XrayTLSDialer {
+	return &XrayTLSDialer{dialer, clientFunc}
+}
+
+func (d *XrayTLSDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
+	var internetTLSConfig *tls.Config
+	var tlsConfig *gotls.Config
+	conn, err := d.dialer.Dial(tls.ContextWithCustomClient(ctx, func(conn net.Conn, xrayConfig *tls.Config, config *gotls.Config) net.Conn {
+		internetTLSConfig = xrayConfig
+		tlsConfig = config
+		return conn
+	}), ToDestination(destination, ToNetwork(network)))
+	if err != nil {
+		return nil, err
+	}
+	if tlsConfig == nil {
+		return nil, E.New("missing TLS config")
+	}
+	return d.clientFunc(conn, internetTLSConfig, tlsConfig), nil
+}
+
+func (d *XrayTLSDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
+	return nil, os.ErrInvalid
+}
@@ -3,7 +3,7 @@ package singbridge
 import E "github.com/sagernet/sing/common/exceptions"

 func ReturnError(err error) error {
-	if E.IsClosedOrCanceled(err) {
+	if E.IsClosed(err) {
 		return nil
 	}
 	return err
@@ -1,51 +0,0 @@
-package singbridge
-
-import (
-	"context"
-	"io"
-
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
-	"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/session"
-	"github.com/xtls/xray-core/features/routing"
-	"github.com/xtls/xray-core/transport"
-)
-
-var (
-	_ N.TCPConnectionHandler = (*Dispatcher)(nil)
-	_ N.UDPConnectionHandler = (*Dispatcher)(nil)
-)
-
-type Dispatcher struct {
-	upstream     routing.Dispatcher
-	newErrorFunc func(values ...any) *errors.Error
-}
-
-func NewDispatcher(dispatcher routing.Dispatcher, newErrorFunc func(values ...any) *errors.Error) *Dispatcher {
-	return &Dispatcher{
-		upstream:     dispatcher,
-		newErrorFunc: newErrorFunc,
-	}
-}
-
-func (d *Dispatcher) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
-	xConn := NewConn(conn)
-	return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_TCP), &transport.Link{
-		Reader: xConn,
-		Writer: xConn,
-	})
-}
-
-func (d *Dispatcher) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
-	return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_UDP), &transport.Link{
-		Reader: buf.NewPacketReader(conn.(io.Reader)),
-		Writer: buf.NewWriter(conn.(io.Writer)),
-	})
-}
-
-func (d *Dispatcher) NewError(ctx context.Context, err error) {
-	d.newErrorFunc(err).WriteToLog(session.ExportIDToError(ctx))
-}
@@ -5,7 +5,6 @@ import (

 	"github.com/sagernet/sing/common/logger"
 	"github.com/xtls/xray-core/common/errors"
-	"github.com/xtls/xray-core/common/session"
 )

 var _ logger.ContextLogger = (*XrayLogger)(nil)
@@ -49,19 +48,19 @@ func (l *XrayLogger) TraceContext(ctx context.Context, args ...any) {
 }

 func (l *XrayLogger) DebugContext(ctx context.Context, args ...any) {
-	l.newError(args...).AtDebug().WriteToLog(session.ExportIDToError(ctx))
+	l.newError(args...).AtDebug().WriteToLog()
 }

 func (l *XrayLogger) InfoContext(ctx context.Context, args ...any) {
-	l.newError(args...).AtInfo().WriteToLog(session.ExportIDToError(ctx))
+	l.newError(args...).AtInfo().WriteToLog()
 }

 func (l *XrayLogger) WarnContext(ctx context.Context, args ...any) {
-	l.newError(args...).AtWarning().WriteToLog(session.ExportIDToError(ctx))
+	l.newError(args...).AtWarning().WriteToLog()
 }

 func (l *XrayLogger) ErrorContext(ctx context.Context, args ...any) {
-	l.newError(args...).AtError().WriteToLog(session.ExportIDToError(ctx))
+	l.newError(args...).AtError().WriteToLog()
 }

 func (l *XrayLogger) FatalContext(ctx context.Context, args ...any) {
@@ -1,82 +0,0 @@
-package singbridge
-
-import (
-	"context"
-
-	B "github.com/sagernet/sing/common/buf"
-	"github.com/sagernet/sing/common/bufio"
-	M "github.com/sagernet/sing/common/metadata"
-	"github.com/xtls/xray-core/common/buf"
-	"github.com/xtls/xray-core/common/net"
-	"github.com/xtls/xray-core/transport"
-)
-
-func CopyPacketConn(ctx context.Context, inboundConn net.Conn, link *transport.Link, destination net.Destination, serverConn net.PacketConn) error {
-	conn := &PacketConnWrapper{
-		Reader: link.Reader,
-		Writer: link.Writer,
-		Dest:   destination,
-		Conn:   inboundConn,
-	}
-	return ReturnError(bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(serverConn)))
-}
-
-type PacketConnWrapper struct {
-	buf.Reader
-	buf.Writer
-	net.Conn
-	Dest   net.Destination
-	cached buf.MultiBuffer
-}
-
-func (w *PacketConnWrapper) ReadPacket(buffer *B.Buffer) (M.Socksaddr, error) {
-	if w.cached != nil {
-		mb, bb := buf.SplitFirst(w.cached)
-		if bb == nil {
-			w.cached = nil
-		} else {
-			buffer.Write(bb.Bytes())
-			w.cached = mb
-			var destination net.Destination
-			if bb.UDP != nil {
-				destination = *bb.UDP
-			} else {
-				destination = w.Dest
-			}
-			bb.Release()
-			return ToSocksaddr(destination), nil
-		}
-	}
-	mb, err := w.ReadMultiBuffer()
-	if err != nil {
-		return M.Socksaddr{}, err
-	}
-	nb, bb := buf.SplitFirst(mb)
-	if bb == nil {
-		return M.Socksaddr{}, nil
-	} else {
-		buffer.Write(bb.Bytes())
-		w.cached = nb
-		var destination net.Destination
-		if bb.UDP != nil {
-			destination = *bb.UDP
-		} else {
-			destination = w.Dest
-		}
-		bb.Release()
-		return ToSocksaddr(destination), nil
-	}
-}
-
-func (w *PacketConnWrapper) WritePacket(buffer *B.Buffer, destination M.Socksaddr) error {
-	vBuf := buf.New()
-	vBuf.Write(buffer.Bytes())
-	endpoint := ToDestination(destination, net.Network_UDP)
-	vBuf.UDP = &endpoint
-	return w.Writer.WriteMultiBuffer(buf.MultiBuffer{vBuf})
-}
-
-func (w *PacketConnWrapper) Close() error {
-	buf.ReleaseMulti(w.cached)
-	return nil
-}
@@ -1,66 +0,0 @@
-package singbridge
-
-import (
-	"time"
-
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/bufio"
-	N "github.com/sagernet/sing/common/network"
-	"github.com/xtls/xray-core/common/buf"
-	"github.com/xtls/xray-core/common/net"
-)
-
-var (
-	_ buf.Reader        = (*Conn)(nil)
-	_ buf.TimeoutReader = (*Conn)(nil)
-	_ buf.Writer        = (*Conn)(nil)
-)
-
-type Conn struct {
-	net.Conn
-	writer N.VectorisedWriter
-}
-
-func NewConn(conn net.Conn) *Conn {
-	writer, _ := bufio.CreateVectorisedWriter(conn)
-	return &Conn{
-		Conn:   conn,
-		writer: writer,
-	}
-}
-
-func (c *Conn) ReadMultiBuffer() (buf.MultiBuffer, error) {
-	buffer, err := buf.ReadBuffer(c.Conn)
-	if err != nil {
-		return nil, err
-	}
-	return buf.MultiBuffer{buffer}, nil
-}
-
-func (c *Conn) ReadMultiBufferTimeout(duration time.Duration) (buf.MultiBuffer, error) {
-	err := c.SetReadDeadline(time.Now().Add(duration))
-	if err != nil {
-		return nil, err
-	}
-	defer c.SetReadDeadline(time.Time{})
-	return c.ReadMultiBuffer()
-}
-
-func (c *Conn) WriteMultiBuffer(bufferList buf.MultiBuffer) error {
-	defer buf.ReleaseMulti(bufferList)
-	if c.writer != nil {
-		bytesList := make([][]byte, len(bufferList))
-		for i, buffer := range bufferList {
-			bytesList[i] = buffer.Bytes()
-		}
-		return common.Error(bufio.WriteVectorised(c.writer, bytesList))
-	}
-	// Since this conn is only used by tun, we don't force buffer writes to merge.
-	for _, buffer := range bufferList {
-		_, err := c.Conn.Write(buffer.Bytes())
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
@@ -225,11 +225,7 @@ func (ac *ACAutomaton) Match(s string) bool {
 	// 2. the match string is through a fail edge. NOT FULL MATCH
 	// 2.1 Through a fail edge, but there exists a valid node. SUBSTR
 	for i := len(s) - 1; i >= 0; i-- {
-		chr := int(s[i])
-		if chr >= len(char2Index) {
-			return false
-		}
-		idx := char2Index[chr]
+		idx := char2Index[s[i]]
 		fullMatch = fullMatch && ac.trie[node][idx].edgeType
 		node = ac.trie[node][idx].nextNode
 		switch ac.exists[node].matchType {
@@ -217,10 +217,6 @@ func TestACAutomaton(t *testing.T) {
 				pattern: "vvgoogle.com",
 				res:     true,
 			},
-			{
-				pattern: "½",
-				res:     false,
-			},
 		}
 		for _, test := range cases2Output {
 			if m := ac.Match(test.pattern); m != test.res {
@@ -228,6 +224,7 @@ func TestACAutomaton(t *testing.T) {
 			}
 		}
 	}
+
 	{
 		cases3Input := []struct {
 			pattern string
@@ -38,12 +38,6 @@ func Run(ctx context.Context, tasks ...func() error) error {
 		}(task)
 	}

-	/*
-		if altctx := ctx.Value("altctx"); altctx != nil {
-			ctx = altctx.(context.Context)
-		}
-	*/
-
 	for i := 0; i < n; i++ {
 		select {
 		case err := <-done:
@@ -54,11 +48,5 @@ func Run(ctx context.Context, tasks ...func() error) error {
 		}
 	}

-	/*
-		if cancel := ctx.Value("cancel"); cancel != nil {
-			cancel.(context.CancelFunc)()
-		}
-	*/
-
 	return nil
 }
@@ -1,79 +1,30 @@
 package xudp

 import (
-	"context"
-	"crypto/rand"
-	"encoding/base64"
-	"fmt"
 	"io"
-	"os"
-	"strings"

 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
-	"github.com/xtls/xray-core/common/session"
-	"lukechampine.com/blake3"
 )

-var AddrParser = protocol.NewAddressParser(
+var addrParser = protocol.NewAddressParser(
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv4), net.AddressFamilyIPv4),
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeDomain), net.AddressFamilyDomain),
 	protocol.AddressFamilyByte(byte(protocol.AddressTypeIPv6), net.AddressFamilyIPv6),
 	protocol.PortThenAddress(),
 )

-var (
-	Show    bool
-	BaseKey []byte
-)
-
-const (
-	EnvShow    = "XRAY_XUDP_SHOW"
-	EnvBaseKey = "XRAY_XUDP_BASEKEY"
-)
-
-func init() {
-	if strings.ToLower(os.Getenv(EnvShow)) == "true" {
-		Show = true
-	}
-	if raw, found := os.LookupEnv(EnvBaseKey); found {
-		if BaseKey, _ = base64.RawURLEncoding.DecodeString(raw); len(BaseKey) == 32 {
-			return
-		}
-		panic(EnvBaseKey + ": invalid value: " + raw)
-	}
-	rand.Read(BaseKey)
-}
-
-func GetGlobalID(ctx context.Context) (globalID [8]byte) {
-	if cone := ctx.Value("cone"); cone == nil || !cone.(bool) { // cone is nil only in some unit tests
-		return
-	}
-	if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Source.Network == net.Network_UDP &&
-		(inbound.Name == "dokodemo-door" || inbound.Name == "socks" || inbound.Name == "shadowsocks") {
-		h := blake3.New(8, BaseKey)
-		h.Write([]byte(inbound.Source.String()))
-		copy(globalID[:], h.Sum(nil))
-		if Show {
-			fmt.Printf("XUDP inbound.Source.String(): %v\tglobalID: %v\n", inbound.Source.String(), globalID)
-		}
-	}
-	return
-}
-
-func NewPacketWriter(writer buf.Writer, dest net.Destination, globalID [8]byte) *PacketWriter {
+func NewPacketWriter(writer buf.Writer, dest net.Destination) *PacketWriter {
 	return &PacketWriter{
-		Writer:   writer,
-		Dest:     dest,
-		GlobalID: globalID,
+		Writer: writer,
+		Dest:   dest,
 	}
 }

 type PacketWriter struct {
-	Writer   buf.Writer
-	Dest     net.Destination
-	GlobalID [8]byte
+	Writer buf.Writer
+	Dest   net.Destination
 }

 func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
@@ -86,22 +37,19 @@ func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
 		}

 		eb := buf.New()
-		eb.Write([]byte{0, 0, 0, 0}) // Meta data length; Mux Session ID
+		eb.Write([]byte{0, 0, 0, 0})
 		if w.Dest.Network == net.Network_UDP {
 			eb.WriteByte(1) // New
 			eb.WriteByte(1) // Opt
 			eb.WriteByte(2) // UDP
-			AddrParser.WriteAddressPort(eb, w.Dest.Address, w.Dest.Port)
-			if b.UDP != nil { // make sure it's user's proxy request
-				eb.Write(w.GlobalID[:]) // no need to check whether it's empty
-			}
+			addrParser.WriteAddressPort(eb, w.Dest.Address, w.Dest.Port)
 			w.Dest.Network = net.Network_Unknown
 		} else {
 			eb.WriteByte(2) // Keep
-			eb.WriteByte(1) // Opt
+			eb.WriteByte(1)
 			if b.UDP != nil {
-				eb.WriteByte(2) // UDP
-				AddrParser.WriteAddressPort(eb, b.UDP.Address, b.UDP.Port)
+				eb.WriteByte(2)
+				addrParser.WriteAddressPort(eb, b.UDP.Address, b.UDP.Port)
 			}
 		}
 		l := eb.Len() - 2
@@ -148,10 +96,9 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 		discard := false
 		switch b.Byte(2) {
 		case 2:
-			if l > 4 && b.Byte(4) == 2 { // MUST check the flag first
+			if l != 4 {
 				b.Advance(5)
-				// b.Clear() will be called automatically if all data had been read.
-				addr, port, err := AddrParser.ReadAddressPort(nil, b)
+				addr, port, err := addrParser.ReadAddressPort(nil, b)
 				if err != nil {
 					b.Release()
 					return nil, err
@@ -168,7 +115,6 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 			b.Release()
 			return nil, io.EOF
 		}
-		b.Clear() // in case there is padding (empty bytes) attached
 		if b.Byte(3) == 1 {
 			if _, err := io.ReadFull(r.Reader, r.cache); err != nil {
 				b.Release()
@@ -176,6 +122,7 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 			}
 			length := int32(r.cache[0])<<8 | int32(r.cache[1])
 			if length > 0 {
+				b.Clear()
 				if _, err := b.ReadFullFrom(r.Reader, length); err != nil {
 					b.Release()
 					return nil, err
@@ -1,36 +0,0 @@
-package xudp
-
-import (
-	"testing"
-
-	"github.com/xtls/xray-core/common"
-	"github.com/xtls/xray-core/common/buf"
-	"github.com/xtls/xray-core/common/net"
-)
-
-func TestXudpReadWrite(t *testing.T) {
-	addr, _ := net.ParseDestination("tcp:127.0.0.1:1345")
-	mb := make(buf.MultiBuffer, 0, 16)
-	m := buf.MultiBufferContainer{
-		MultiBuffer: mb,
-	}
-	var arr [8]byte
-	writer := NewPacketWriter(&m, addr, arr)
-
-	source := make(buf.MultiBuffer, 0, 16)
-	b := buf.New()
-	b.WriteByte('a')
-	b.UDP = &addr
-	source = append(source, b)
-	writer.WriteMultiBuffer(source)
-
-	reader := NewPacketReader(&m)
-	dest, err := reader.ReadMultiBuffer()
-	common.Must(err)
-	if dest[0].Byte(0) != 'a' {
-		t.Error("failed to parse xudp buffer")
-	}
-	if dest[0].UDP.Port != 1345 {
-		t.Error("failed to parse xudp buffer")
-	}
-}
@@ -4,11 +4,11 @@ import (
 	"io"
 	"strings"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/cmdarg"
 	"github.com/xtls/xray-core/main/confloader"
-	"google.golang.org/protobuf/proto"
 )

 // ConfigFormat is a configurable format of Xray config file.
@@ -57,7 +57,7 @@ func GetFormatByExtension(ext string) string {
 		return "yaml"
 	case "toml":
 		return "toml"
-	case "json", "jsonc":
+	case "json":
 		return "json"
 	default:
 		return ""
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.30.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
 // source: core/config.proto

 package core
@@ -42,7 +42,7 @@ type Config struct {
 	// Deprecated. Each inbound and outbound should choose their own transport
 	// config. Date to remove: 2020-01-13
 	//
-	// Deprecated: Marked as deprecated in core/config.proto.
+	// Deprecated: Do not use.
 	Transport *global.Config `protobuf:"bytes,5,opt,name=transport,proto3" json:"transport,omitempty"`
 	// Configuration for extensions. The config may not work if corresponding
 	// extension is not loaded into Xray. Xray will ignore such config during
@@ -103,7 +103,7 @@ func (x *Config) GetApp() []*serial.TypedMessage {
 	return nil
 }

-// Deprecated: Marked as deprecated in core/config.proto.
+// Deprecated: Do not use.
 func (x *Config) GetTransport() *global.Config {
 	if x != nil {
 		return x.Transport
@@ -20,8 +20,8 @@ import (

 var (
 	Version_x byte = 1
-	Version_y byte = 8
-	Version_z byte = 4
+	Version_y byte = 7
+	Version_z byte = 5
 )

 var (
@@ -7,6 +7,7 @@ import (
 	"testing"
 	"time"

+	"github.com/golang/protobuf/proto"
 	"github.com/google/go-cmp/cmp"
 	"github.com/xtls/xray-core/app/dispatcher"
 	"github.com/xtls/xray-core/app/proxyman"
@@ -17,7 +18,6 @@ import (
 	"github.com/xtls/xray-core/proxy/freedom"
 	"github.com/xtls/xray-core/testing/servers/tcp"
 	"github.com/xtls/xray-core/testing/servers/udp"
-	"google.golang.org/protobuf/proto"
 )

 func xor(b []byte) []byte {
@@ -3,6 +3,7 @@ package core_test
 import (
 	"testing"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/app/dispatcher"
 	"github.com/xtls/xray-core/app/proxyman"
 	"github.com/xtls/xray-core/common"
@@ -18,7 +19,6 @@ import (
 	"github.com/xtls/xray-core/proxy/vmess"
 	"github.com/xtls/xray-core/proxy/vmess/outbound"
 	"github.com/xtls/xray-core/testing/servers/tcp"
-	"google.golang.org/protobuf/proto"
 )

 func TestXrayDependency(t *testing.T) {
@@ -3,8 +3,8 @@ package extension
 import (
 	"context"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/features"
-	"google.golang.org/protobuf/proto"
 )

 type Observatory interface {
@@ -1,34 +1,37 @@
 module github.com/xtls/xray-core

-go 1.21
+go 1.20

 require (
 	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/google/go-cmp v0.5.9
 	github.com/gorilla/websocket v1.5.0
-	github.com/miekg/dns v1.1.55
+	github.com/miekg/dns v1.1.50
 	github.com/pelletier/go-toml v1.9.5
-	github.com/pires/go-proxyproto v0.7.0
-	github.com/quic-go/quic-go v0.38.1
-	github.com/refraction-networking/utls v1.4.3
-	github.com/sagernet/sing v0.2.9
-	github.com/sagernet/sing-shadowsocks v0.2.4
+	github.com/pires/go-proxyproto v0.6.2
+	github.com/quic-go/quic-go v0.32.0
+	github.com/refraction-networking/utls v1.2.2
+	github.com/sagernet/sing v0.1.6
+	github.com/sagernet/sing-shadowsocks v0.1.1-0.20230202035033-e3123545f2f7
+	github.com/sagernet/sing-shadowtls v0.0.0-20230221123345-78e50cd7b587
+	github.com/sagernet/utls v0.0.0-20230220130002-c08891932056
 	github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
 	github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.8.1
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
-	github.com/xtls/reality v0.0.0-20230828171259-e426190d57f6
-	go4.org/netipx v0.0.0-20230824141953-6213f710f925
-	golang.org/x/crypto v0.12.0
-	golang.org/x/net v0.14.0
-	golang.org/x/sync v0.3.0
-	golang.org/x/sys v0.11.0
-	google.golang.org/grpc v1.57.0
-	google.golang.org/protobuf v1.31.0
-	gvisor.dev/gvisor v0.0.0-20230822212503-5bf4e5f98744
+	github.com/xtls/go v0.0.0-20230107031059-4610f88d00f3
+	github.com/xtls/reality v0.0.0-20230217102704-085bdf2104d3
+	go.starlark.net v0.0.0-20230128213706-3f75dec8e403
+	golang.org/x/crypto v0.6.0
+	golang.org/x/net v0.7.0
+	golang.org/x/sync v0.1.0
+	golang.org/x/sys v0.5.0
+	google.golang.org/grpc v1.53.0
+	google.golang.org/protobuf v1.28.1
+	gvisor.dev/gvisor v0.0.0-20220901235040-6ca97ef2ce1c
 	h12.io/socks v1.0.3
-	lukechampine.com/blake3 v1.2.1
 )

 require (
@@ -36,24 +39,25 @@ require (
 	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/gaukas/godicttls v0.0.4 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
 	github.com/google/btree v1.1.2 // indirect
-	github.com/google/pprof v0.0.0-20230821062121-407c9e7a662f // indirect
-	github.com/klauspost/compress v1.16.7 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
-	github.com/onsi/ginkgo/v2 v2.12.0 // indirect
+	github.com/google/pprof v0.0.0-20230207041349-798e818bf904 // indirect
+	github.com/klauspost/compress v1.15.15 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.3 // indirect
+	github.com/onsi/ginkgo/v2 v2.8.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/quic-go/qtls-go1-20 v0.3.3 // indirect
+	github.com/quic-go/qtls-go1-18 v0.2.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.2.0 // indirect
+	github.com/quic-go/qtls-go1-20 v0.1.0 // indirect
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 // indirect
-	go.uber.org/atomic v1.11.0 // indirect
-	golang.org/x/exp v0.0.0-20230725093048-515e97ebf090 // indirect
-	golang.org/x/mod v0.12.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	golang.org/x/exp v0.0.0-20230213192124-5e25df0256eb // indirect
+	golang.org/x/mod v0.8.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.12.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+	golang.org/x/tools v0.6.0 // indirect
+	google.golang.org/genproto v0.0.0-20230209215440-0dfe4f8abfcc // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	lukechampine.com/blake3 v1.1.7 // indirect
 )
@@ -14,6 +14,10 @@ github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYU
 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=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -23,21 +27,20 @@ github.com/dgryski/go-metro v0.0.0-20200812162917-85c65e2d0165/go.mod h1:c9O8+fp
 github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140 h1:y7y0Oa6UawqTFPCDw9JG6pdKt4F9pAhHv0B7FMGaGD0=
 github.com/dgryski/go-metro v0.0.0-20211217172704-adc40b04c140/go.mod h1:c9O8+fpSOX1DM8cPNSkX/qsBWdkD4yd2dpciOWQjpBw=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/francoispqt/gojay v1.2.13 h1:d2m3sFjloqoIUQU3TsHBgj6qg/BVGlTBeHDUmyJnXKk=
 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/gaukas/godicttls v0.0.4 h1:NlRaXb3J6hAnTmWdsEKb9bcSBD6BvcIjdGdeb0zfXbk=
-github.com/gaukas/godicttls v0.0.4/go.mod h1:l6EenT4TLWgTdwslVb4sEMOCf7Bv0JAK67deKr9/NCI=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 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 v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
-github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
-github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
+github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
@@ -47,13 +50,25 @@ github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
+github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
+github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
+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 v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
-github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+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/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=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
@@ -61,8 +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 v0.0.0-20230821062121-407c9e7a662f h1:pDhu5sgp8yJlEF/g6osliIIpF9K4F5jvkULXa4daRDQ=
-github.com/google/pprof v0.0.0-20230821062121-407c9e7a662f/go.mod h1:czg5+yv1E0ZGTi6S6vVK1mke0fV+FaUhNGcd6VRS9Ik=
+github.com/google/pprof v0.0.0-20230207041349-798e818bf904 h1:4/hN5RUoecvl+RmJRE2YxKWtnnQls6rQjjW5oV7qg2U=
+github.com/google/pprof v0.0.0-20230207041349-798e818bf904/go.mod h1:uglQLonpP8qtYCYyzA+8c/9qtqgA3qsXGYqCPKARAFg=
 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=
@@ -76,10 +91,11 @@ 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 v1.16.7 h1:2mk3MPGNzKyxErAw8YaohYh69+pa4sIQSC0fPGCFR9I=
-github.com/klauspost/compress v1.16.7/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
-github.com/klauspost/cpuid/v2 v2.2.5 h1:0E5MSMDEoAulmXNFquVs//DdoomxaoTY1kUhbc/qbZg=
-github.com/klauspost/cpuid/v2 v2.2.5/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
+github.com/klauspost/compress v1.15.15 h1:EF27CXIuDsYJ6mmvtBRlEuB2UVOqHG1tAXgZ7yIO+lw=
+github.com/klauspost/compress v1.15.15/go.mod h1:ZcK2JAFqKOpnBlxcLsJzYfrS9X1akm9fHZNnD9+Vo/4=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+github.com/klauspost/cpuid/v2 v2.2.3 h1:sxCkb+qR91z4vsqw4vGGZlDgPz3G7gjaLyK3V8y70BU=
+github.com/klauspost/cpuid/v2 v2.2.3/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=
@@ -90,43 +106,51 @@ github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
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@@ -198,12 +230,14 @@ golang.org/x/net v0.0.0-20181029044818-c44066c5c816/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -215,8 +249,8 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -225,16 +259,22 @@ golang.org/x/sys v0.0.0-20190316082340-a2f829d7f35f/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -244,10 +284,13 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
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@@ -264,21 +307,32 @@ google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
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 google.golang.org/genproto v0.0.0-20190306203927-b5d61aea6440/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
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@@ -289,14 +343,15 @@ gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C
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 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-lukechampine.com/blake3 v1.2.1 h1:YuqqRuaqsGV71BV/nm9xlI0MKUv4QC54jQnBChWbGnI=
-lukechampine.com/blake3 v1.2.1/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k=
+honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+lukechampine.com/blake3 v1.1.7 h1:GgRMhmdsuK8+ii6UZFDL8Nb+VyMwadAgcJyfYHxG6n0=
+lukechampine.com/blake3 v1.1.7/go.mod h1:tkKEOtDkNtklkXtLNEOGNq5tcV90tJiA1vAA12R78LA=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
@@ -3,9 +3,9 @@ package conf
 import (
 	"encoding/json"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/proxy/blackhole"
-	"google.golang.org/protobuf/proto"
 )

 type NoneResponse struct{}
@@ -1,6 +1,6 @@
 package conf

-import "google.golang.org/protobuf/proto"
+import "github.com/golang/protobuf/proto"

 type Buildable interface {
 	Build() (proto.Message, error)
@@ -45,9 +45,6 @@ func (v *Address) UnmarshalJSON(data []byte) error {
 	if err := json.Unmarshal(data, &rawStr); err != nil {
 		return newError("invalid address: ", string(data)).Base(err)
 	}
-	if strings.HasPrefix(rawStr, "env:") {
-		rawStr = os.Getenv(rawStr[4:])
-	}
 	v.Address = net.ParseAddress(rawStr)

 	return nil
@@ -118,7 +115,8 @@ func parseIntPort(data []byte) (net.Port, error) {

 func parseStringPort(s string) (net.Port, net.Port, error) {
 	if strings.HasPrefix(s, "env:") {
-		s = os.Getenv(s[4:])
+		s = s[4:]
+		s = os.Getenv(s)
 	}

 	pair := strings.SplitN(s, "-", 2)
@@ -1,17 +1,16 @@
 package conf

 import (
+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/proxy/dns"
-	"google.golang.org/protobuf/proto"
 )

 type DNSOutboundConfig struct {
-	Network    Network  `json:"network"`
-	Address    *Address `json:"address"`
-	Port       uint16   `json:"port"`
-	UserLevel  uint32   `json:"userLevel"`
-	NonIPQuery string   `json:"nonIPQuery"`
+	Network   Network  `json:"network"`
+	Address   *Address `json:"address"`
+	Port      uint16   `json:"port"`
+	UserLevel uint32   `json:"userLevel"`
 }

 func (c *DNSOutboundConfig) Build() (proto.Message, error) {
@@ -25,13 +24,5 @@ func (c *DNSOutboundConfig) Build() (proto.Message, error) {
 	if c.Address != nil {
 		config.Server.Address = c.Address.Build()
 	}
-	switch c.NonIPQuery {
-	case "":
-		c.NonIPQuery = "drop"
-	case "drop", "skip":
-	default:
-		return nil, newError(`unknown "nonIPQuery": `, c.NonIPQuery)
-	}
-	config.Non_IPQuery = c.NonIPQuery
 	return config, nil
 }
@@ -27,7 +27,6 @@ func TestDnsProxyConfig(t *testing.T) {
 					Address: net.NewIPOrDomain(net.IPAddress([]byte{8, 8, 8, 8})),
 					Port:    53,
 				},
-				Non_IPQuery: "drop",
 			},
 		},
 	})
@@ -6,6 +6,7 @@ import (
 	"path/filepath"
 	"testing"

+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/app/dns"
 	"github.com/xtls/xray-core/app/router"
 	"github.com/xtls/xray-core/common"
@@ -13,7 +14,6 @@ import (
 	"github.com/xtls/xray-core/common/platform"
 	"github.com/xtls/xray-core/common/platform/filesystem"
 	. "github.com/xtls/xray-core/infra/conf"
-	"google.golang.org/protobuf/proto"
 )

 func init() {
@@ -1,8 +1,8 @@
 package conf

 import (
+	"github.com/golang/protobuf/proto"
 	"github.com/xtls/xray-core/proxy/dokodemo"
-	"google.golang.org/protobuf/proto"
 )

 type DokodemoConfig struct {
@@ -2,27 +2,19 @@ package conf

 import (
 	"net"
-	"strconv"
 	"strings"

+	"github.com/golang/protobuf/proto"
 	v2net "github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/protocol"
 	"github.com/xtls/xray-core/proxy/freedom"
-	"google.golang.org/protobuf/proto"
 )

 type FreedomConfig struct {
-	DomainStrategy string    `json:"domainStrategy"`
-	Timeout        *uint32   `json:"timeout"`
-	Redirect       string    `json:"redirect"`
-	UserLevel      uint32    `json:"userLevel"`
-	Fragment       *Fragment `json:"fragment"`
-}
-
-type Fragment struct {
-	Packets  string `json:"packets"`
-	Length   string `json:"length"`
-	Interval string `json:"interval"`
+	DomainStrategy string  `json:"domainStrategy"`
+	Timeout        *uint32 `json:"timeout"`
+	Redirect       string  `json:"redirect"`
+	UserLevel      uint32  `json:"userLevel"`
 }

 // Build implements Buildable
@@ -38,93 +30,6 @@ func (c *FreedomConfig) Build() (proto.Message, error) {
 		config.DomainStrategy = freedom.Config_USE_IP6
 	}

-	if c.Fragment != nil {
-		config.Fragment = new(freedom.Fragment)
-		var err, err2 error
-
-		switch strings.ToLower(c.Fragment.Packets) {
-		case "tlshello":
-			// TLS Hello Fragmentation (into multiple handshake messages)
-			config.Fragment.PacketsFrom = 0
-			config.Fragment.PacketsTo = 1
-		case "":
-			// TCP Segmentation (all packets)
-			config.Fragment.PacketsFrom = 0
-			config.Fragment.PacketsTo = 0
-		default:
-			// TCP Segmentation (range)
-			packetsFromTo := strings.Split(c.Fragment.Packets, "-")
-			if len(packetsFromTo) == 2 {
-				config.Fragment.PacketsFrom, err = strconv.ParseUint(packetsFromTo[0], 10, 64)
-				config.Fragment.PacketsTo, err2 = strconv.ParseUint(packetsFromTo[1], 10, 64)
-			} else {
-				config.Fragment.PacketsFrom, err = strconv.ParseUint(packetsFromTo[0], 10, 64)
-				config.Fragment.PacketsTo = config.Fragment.PacketsFrom
-			}
-			if err != nil {
-				return nil, newError("Invalid PacketsFrom").Base(err)
-			}
-			if err2 != nil {
-				return nil, newError("Invalid PacketsTo").Base(err2)
-			}
-			if config.Fragment.PacketsFrom > config.Fragment.PacketsTo {
-				config.Fragment.PacketsFrom, config.Fragment.PacketsTo = config.Fragment.PacketsTo, config.Fragment.PacketsFrom
-			}
-			if config.Fragment.PacketsFrom == 0 {
-				return nil, newError("PacketsFrom can't be 0")
-			}
-		}
-
-		{
-			if c.Fragment.Length == "" {
-				return nil, newError("Length can't be empty")
-			}
-			lengthMinMax := strings.Split(c.Fragment.Length, "-")
-			if len(lengthMinMax) == 2 {
-				config.Fragment.LengthMin, err = strconv.ParseUint(lengthMinMax[0], 10, 64)
-				config.Fragment.LengthMax, err2 = strconv.ParseUint(lengthMinMax[1], 10, 64)
-			} else {
-				config.Fragment.LengthMin, err = strconv.ParseUint(lengthMinMax[0], 10, 64)
-				config.Fragment.LengthMax = config.Fragment.LengthMin
-			}
-			if err != nil {
-				return nil, newError("Invalid LengthMin").Base(err)
-			}
-			if err2 != nil {
-				return nil, newError("Invalid LengthMax").Base(err2)
-			}
-			if config.Fragment.LengthMin > config.Fragment.LengthMax {
-				config.Fragment.LengthMin, config.Fragment.LengthMax = config.Fragment.LengthMax, config.Fragment.LengthMin
-			}
-			if config.Fragment.LengthMin == 0 {
-				return nil, newError("LengthMin can't be 0")
-			}
-		}
-
-		{
-			if c.Fragment.Interval == "" {
-				return nil, newError("Interval can't be empty")
-			}
-			intervalMinMax := strings.Split(c.Fragment.Interval, "-")
-			if len(intervalMinMax) == 2 {
-				config.Fragment.IntervalMin, err = strconv.ParseUint(intervalMinMax[0], 10, 64)
-				config.Fragment.IntervalMax, err2 = strconv.ParseUint(intervalMinMax[1], 10, 64)
-			} else {
-				config.Fragment.IntervalMin, err = strconv.ParseUint(intervalMinMax[0], 10, 64)
-				config.Fragment.IntervalMax = config.Fragment.IntervalMin
-			}
-			if err != nil {
-				return nil, newError("Invalid IntervalMin").Base(err)
-			}
-			if err2 != nil {
-				return nil, newError("Invalid IntervalMax").Base(err2)
-			}
-			if config.Fragment.IntervalMin > config.Fragment.IntervalMax {
-				config.Fragment.IntervalMin, config.Fragment.IntervalMax = config.Fragment.IntervalMax, config.Fragment.IntervalMin
-			}
-		}
-	}
-
 	if c.Timeout != nil {
 		config.Timeout = *c.Timeout
 	}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
世界	3b8f09153e	Split utls library	2023-02-21 23:00:30 +08:00
世界	0188c2d67d	Add uTLS support for shadowtls	2023-02-21 20:48:18 +08:00
世界	6fb673aee4	Add config check	2023-02-21 19:48:09 +08:00
世界	d6c2a9aab7	Add shadow-tls support	2023-02-21 19:19:47 +08:00