save

.golangci.yml

@@ -27,6 +27,7 @@ run:
     - with_quic
     - with_dhcp
     - with_wireguard
+    - with_ech
     - with_utls
     - with_reality_server
     - with_acme

.goreleaser.fury.yaml

@@ -14,6 +14,7 @@ builds:
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
       - with_reality_server
       - with_acme

.goreleaser.yaml

@@ -16,6 +16,7 @@ builds:
       - with_quic
       - with_dhcp
       - with_wireguard
+      - with_ech
       - with_utls
       - with_reality_server
       - with_acme
@@ -23,7 +24,6 @@ builds:
       - with_tailscale
     env:
       - CGO_ENABLED=0
-      - GOTOOLCHAIN=local
     targets:
       - linux_386
       - linux_amd64_v1
@@ -62,7 +62,6 @@ builds:
     <<: *template
     env:
       - CGO_ENABLED=1
-      - GOTOOLCHAIN=local
     overrides:
       - goos: android
         goarch: arm

Dockerfile

@@ -13,7 +13,7 @@ RUN set -ex \
     && export COMMIT=$(git rev-parse --short HEAD) \
     && export VERSION=$(go run ./cmd/internal/read_tag) \
     && go build -v -trimpath -tags \
-        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_utls,with_reality_server,with_acme,with_clash_api" \
+        "with_gvisor,with_quic,with_dhcp,with_wireguard,with_ech,with_utls,with_reality_server,with_acme,with_clash_api" \
         -o /go/bin/sing-box \
         -ldflags "-X \"github.com/sagernet/sing-box/constant.Version=$VERSION\" -s -w -buildid=" \
         ./cmd/sing-box

Makefile

@@ -1,9 +1,10 @@
 NAME = sing-box
 COMMIT = $(shell git rev-parse --short HEAD)
 TAGS_GO120 = with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls
+TAGS_GO121 = with_ech
 TAGS_GO123 = with_tailscale
-TAGS ?= $(TAGS_GO120),$(TAGS_GO123)
-TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_utls,with_reality_server
+TAGS ?= $(TAGS_GO118),$(TAGS_GO120),$(TAGS_GO121),$(TAGS_GO123)
+TAGS_TEST ?= with_gvisor,with_quic,with_wireguard,with_grpc,with_ech,with_utls,with_reality_server
 
 GOHOSTOS = $(shell go env GOHOSTOS)
 GOHOSTARCH = $(shell go env GOHOSTARCH)
@@ -17,17 +18,14 @@ PREFIX ?= $(shell go env GOPATH)
 .PHONY: test release docs build
 
 build:
-	export GOTOOLCHAIN=local && \
 	go build $(MAIN_PARAMS) $(MAIN)
 
 ci_build_go120:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(PARAMS) -tags "$(TAGS_GO120)" $(MAIN)
 
 ci_build:
-	export GOTOOLCHAIN=local && \
-	go build $(PARAMS) $(MAIN) && \
+	go build $(PARAMS) $(MAIN)
 	go build $(MAIN_PARAMS) $(MAIN)
 
 generate_completions:

adapter/network.go

@@ -25,7 +25,6 @@ type NetworkManager interface {
 	PackageManager() tun.PackageManager
 	WIFIState() WIFIState
 	ResetNetwork()
-	UpdateWIFIState()
 }
 
 type NetworkOptions struct {

adapter/outbound.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
+	"github.com/sagernet/sing-tun"
 	N "github.com/sagernet/sing/common/network"
 )
 
@@ -18,6 +19,11 @@ type Outbound interface {
 	N.Dialer
 }
 
+type DirectRouteOutbound interface {
+	Outbound
+	NewDirectRouteConnection(metadata InboundContext, routeContext tun.DirectRouteContext) (tun.DirectRouteDestination, error)
+}
+
 type OutboundRegistry interface {
 	option.OutboundOptionsRegistry
 	CreateOutbound(ctx context.Context, router Router, logger log.ContextLogger, tag string, outboundType string, options any) (Outbound, error)

adapter/router.go

@@ -8,6 +8,7 @@ import (
 	"sync"
 
 	C "github.com/sagernet/sing-box/constant"
+	"github.com/sagernet/sing-tun"
 	M "github.com/sagernet/sing/common/metadata"
 	N "github.com/sagernet/sing/common/network"
 	"github.com/sagernet/sing/common/ntp"
@@ -19,7 +20,7 @@ import (
 type Router interface {
 	Lifecycle
 	ConnectionRouter
-	PreMatch(metadata InboundContext) error
+	PreMatch(metadata InboundContext, context tun.DirectRouteContext) (tun.DirectRouteDestination, error)
 	ConnectionRouterEx
 	RuleSet(tag string) (RuleSet, bool)
 	NeedWIFIState() bool

cmd/internal/build_libbox/main.go

@@ -58,7 +58,7 @@ func init() {
 	sharedFlags = append(sharedFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag+" -s -w -buildid=")
 	debugFlags = append(debugFlags, "-ldflags", "-X github.com/sagernet/sing-box/constant.Version="+currentTag)
 
-	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_utls", "with_clash_api", "with_tailscale")
+	sharedTags = append(sharedTags, "with_gvisor", "with_quic", "with_wireguard", "with_ech", "with_utls", "with_clash_api", "with_tailscale")
 	iosTags = append(iosTags, "with_dhcp", "with_low_memory", "with_conntrack")
 	debugTags = append(debugTags, "debug")
 }

cmd/sing-box/cmd_generate_ech.go

@@ -9,6 +9,8 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var pqSignatureSchemesEnabled bool
+
 var commandGenerateECHKeyPair = &cobra.Command{
 	Use:   "ech-keypair <plain_server_name>",
 	Short: "Generate TLS ECH key pair",
@@ -22,11 +24,12 @@ var commandGenerateECHKeyPair = &cobra.Command{
 }
 
 func init() {
+	commandGenerateECHKeyPair.Flags().BoolVar(&pqSignatureSchemesEnabled, "pq-signature-schemes-enabled", false, "Enable PQ signature schemes")
 	commandGenerate.AddCommand(commandGenerateECHKeyPair)
 }
 
 func generateECHKeyPair(serverName string) error {
-	configPem, keyPem, err := tls.ECHKeygenDefault(serverName)
+	configPem, keyPem, err := tls.ECHKeygenDefault(serverName, pqSignatureSchemesEnabled)
 	if err != nil {
 		return err
 	}

common/badtls/read_wait_ech.go

@@ -0,0 +1,31 @@
+//go:build go1.21 && !without_badtls && with_ech
+
+package badtls
+
+import (
+	"net"
+	_ "unsafe"
+
+	"github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/sing/common"
+)
+
+func init() {
+	tlsRegistry = append(tlsRegistry, func(conn net.Conn) (loaded bool, tlsReadRecord func() error, tlsHandlePostHandshakeMessage func() error) {
+		tlsConn, loaded := common.Cast[*tls.Conn](conn)
+		if !loaded {
+			return
+		}
+		return true, func() error {
+				return echReadRecord(tlsConn)
+			}, func() error {
+				return echHandlePostHandshakeMessage(tlsConn)
+			}
+	})
+}
+
+//go:linkname echReadRecord github.com/sagernet/cloudflare-tls.(*Conn).readRecord
+func echReadRecord(c *tls.Conn) error
+
+//go:linkname echHandlePostHandshakeMessage github.com/sagernet/cloudflare-tls.(*Conn).handlePostHandshakeMessage
+func echHandlePostHandshakeMessage(c *tls.Conn) error

common/sniff/quic_test.go

@@ -12,26 +12,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestSniffQUICChromeNew(t *testing.T) {
-	t.Parallel()
-	pkt, err := hex.DecodeString("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")
-	require.NoError(t, err)
-	var metadata adapter.InboundContext
-	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.Equal(t, metadata.Protocol, C.ProtocolQUIC)
-	require.Equal(t, metadata.Client, C.ClientChromium)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
-	pkt, err = hex.DecodeString("cc0000000108e241a0c601413b4f004046006d8f15dae9999edf39d58df6762822b9a2ab996d7f6a10044338af3b51b1814bc4ac0fa5a87c34c6ae604af8cabc5957c5240174deefc8e378719ffdab2ae4e15bf4514bea44894b626c685cd5d5c965f7e97b3a1bdc520b75813e747f37a3ae83ad38b9ca2acb0de4fc9424839a50c8fb815a62b498609fbbc59145698860e0509cc08a04d1b119daef844ba2f09c16e2665e5cc0b47624b71f7b950c54fd56b4a1fbb826cba44eeeee3949ced8f5de60d4c81b19ee59f75aa1abb33f22c6b13c27095eb1e99cff01fdc93e6e88da2622ee18c08a79f508befd7e33e99bca60e64bef9a47b764384bd93823daeeb6fcb4d7cfbc4ab53eff59b3636f6dcaaf229b5a94941b5712807166b9bd5e82cb4a9708a71451c4cd6f6e33fb2fe40c8c70dd51a30b37ff9c5e35783debde0093fde19ce074b4887b3c90980b107b9c0f32cf61a66f37c251b789abc4d27fc421207966846c8cc7faa42d9af6ad355a6bc94cb78223b612be8b3e2a4df61fee83a674a0ceb8b7c3a29b97102cda22fecdf6a4628e5b612bc17eab64d6f75feedd0b106c0419e484e66725759964cb5935ac5125e5ae920cd280bd40df57c1d7ae1845700bd4eb7b7ab12bc0850950bfe6e69edd6ac1daa5db2c2b07484327196e561c513462d72872dc6771c39f6b60d46a1f2c92343b7338450a0ef8e39f97fa70652b3a12cd04043698951627aaaa82cc95e76df92021d30e8014c984f12eea0143de8b17e5e4a36ec07bf4814251b391f168a59ef75afcd2319249aaba930f06bb7a11b9491e6f71b3d5774a6503a965e94edd0a67737282fc9cb0271779ff14151b7aa9267bb8f7d643185512515aeea513c0c98bfae782381a3317064195d8825cf8b25c17cdab5fced02612a3f2870e40df57e6ca3f08228a2b04e8de1425eb4b970118f9bbdc212223ff86a5d6b648cdf2366722f21de4b14a1014879eadb69215cdb1aa2a9f4f310ecfe3116214fe3ab0a23f4775a0a54b48d7dfd8f7283ed687b3ac7e1a7e42a0bdc3478aba8651c03e1e9cc9df17d106b8130afe854269b0103b7a696f452721887b19d8181830073c9f10684c65f96d3a6c6efbae044eec03d6399e001fa44d54635dc72f9b8ea6b87d0f452cad1e1e32273e2b47c40f2730235adcae8523b8282f86b8cf1ab63ae54aaa06130df3bbf6ecac7d7d1d43d2a87aea837267ff8ccfaa4b7e47b7ded909e6603d0b928a304f8915c839153598adc4178eb48bc0e98ad7793d7980275e1e491ba4847a4a04ae30fe7f5cc7d4b6f4f63a525e9964d72245860ca76a668a4654adb6619f16e9db79131e5675b93cafb96c92f1da8464d4fef2a22e7f9db695965fe2cc27ea30974629c8fe17cfa2f860179e1eb9faaa88a91ec9ce6da28c1a2894c3b932b5e1c807146718cc77ca13c61eaae00c7c99e019f599772064b198c5c2c5e863336367673630b417ac845ddb7c93b0856317e5d64bab208c5730abc2c63536784fbeaaec139dffc917e775715f1e42164ddef5138d4d163609ab3fbdcab968f8738385c0e7e34ff3cf7771a1dc5ba25a8850fdf96dabafa21f9065f307457ce9af4b7a73450c9d20a3b46fa8d3a1163d22bd01a7d17f0ec274181bf9640fa941427694bfeb1346089f7a851efe0fbb7a2041fa6bb6541ccbad77dd3e1a97999fc05f1fef070e7b5c4b385b8b2a8cc32483fdeba6a373970de2fa4139ba18e5916f949aab0aab2894")
-	require.NoError(t, err)
-	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.ErrorIs(t, err, sniff.ErrClientHelloFragmented)
-	pkt, err = hex.DecodeString("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")
-	require.NoError(t, err)
-	err = sniff.QUICClientHello(context.Background(), &metadata, pkt)
-	require.NoError(t, err)
-	require.Equal(t, "www.google.com", metadata.Domain)
-}
-
 func TestSniffQUICChromium(t *testing.T) {
 	t.Parallel()
 	pkt, err := hex.DecodeString("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")

common/tls/client.go

@@ -29,12 +29,15 @@ func NewClient(ctx context.Context, serverAddress string, options option.Outboun
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.Reality != nil && options.Reality.Enabled {
+	if options.ECH != nil && options.ECH.Enabled {
+		return NewECHClient(ctx, serverAddress, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
 		return NewRealityClient(ctx, serverAddress, options)
 	} else if options.UTLS != nil && options.UTLS.Enabled {
 		return NewUTLSClient(ctx, serverAddress, options)
+	} else {
+		return NewSTDClient(ctx, serverAddress, options)
 	}
-	return NewSTDClient(ctx, serverAddress, options)
 }
 
 func ClientHandshake(ctx context.Context, conn net.Conn, config Config) (Conn, error) {

common/tls/ech.go

@@ -1,174 +0,0 @@
-//go:build go1.24
-
-package tls
-
-import (
-	"context"
-	"crypto/tls"
-	"encoding/base64"
-	"encoding/pem"
-	"net"
-	"os"
-	"strings"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/experimental/deprecated"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	aTLS "github.com/sagernet/sing/common/tls"
-	"github.com/sagernet/sing/service"
-
-	mDNS "github.com/miekg/dns"
-	"golang.org/x/crypto/cryptobyte"
-)
-
-func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions, tlsConfig *tls.Config) (Config, error) {
-	var echConfig []byte
-	if len(options.ECH.Config) > 0 {
-		echConfig = []byte(strings.Join(options.ECH.Config, "\n"))
-	} else if options.ECH.ConfigPath != "" {
-		content, err := os.ReadFile(options.ECH.ConfigPath)
-		if err != nil {
-			return nil, E.Cause(err, "read ECH config")
-		}
-		echConfig = content
-	}
-	//nolint:staticcheck
-	if options.ECH.PQSignatureSchemesEnabled || options.ECH.DynamicRecordSizingDisabled {
-		deprecated.Report(ctx, deprecated.OptionLegacyECHOptions)
-	}
-	if len(echConfig) > 0 {
-		block, rest := pem.Decode(echConfig)
-		if block == nil || block.Type != "ECH CONFIGS" || len(rest) > 0 {
-			return nil, E.New("invalid ECH configs pem")
-		}
-		tlsConfig.EncryptedClientHelloConfigList = block.Bytes
-		return &STDClientConfig{tlsConfig}, nil
-	} else {
-		return &STDECHClientConfig{STDClientConfig{tlsConfig}, service.FromContext[adapter.DNSRouter](ctx)}, nil
-	}
-}
-
-func parseECHServerConfig(ctx context.Context, options option.InboundTLSOptions, tlsConfig *tls.Config, echKeyPath *string) error {
-	var echKey []byte
-	if len(options.ECH.Key) > 0 {
-		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
-	} else if options.ECH.KeyPath != "" {
-		content, err := os.ReadFile(options.ECH.KeyPath)
-		if err != nil {
-			return E.Cause(err, "read ECH keys")
-		}
-		echKey = content
-		*echKeyPath = options.ECH.KeyPath
-	} else {
-		return E.New("missing ECH keys")
-	}
-	block, rest := pem.Decode(echKey)
-	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
-		return E.New("invalid ECH keys pem")
-	}
-	echKeys, err := UnmarshalECHKeys(block.Bytes)
-	if err != nil {
-		return E.Cause(err, "parse ECH keys")
-	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	//nolint:staticcheck
-	if options.ECH.PQSignatureSchemesEnabled || options.ECH.DynamicRecordSizingDisabled {
-		deprecated.Report(ctx, deprecated.OptionLegacyECHOptions)
-	}
-	return nil
-}
-
-func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
-	echKey, err := os.ReadFile(echKeyPath)
-	if err != nil {
-		return E.Cause(err, "reload ECH keys from ", echKeyPath)
-	}
-	block, _ := pem.Decode(echKey)
-	if block == nil || block.Type != "ECH KEYS" {
-		return E.New("invalid ECH keys pem")
-	}
-	echKeys, err := UnmarshalECHKeys(block.Bytes)
-	if err != nil {
-		return E.Cause(err, "parse ECH keys")
-	}
-	tlsConfig.EncryptedClientHelloKeys = echKeys
-	return nil
-}
-
-type STDECHClientConfig struct {
-	STDClientConfig
-	dnsRouter adapter.DNSRouter
-}
-
-func (s *STDECHClientConfig) ClientHandshake(ctx context.Context, conn net.Conn) (aTLS.Conn, error) {
-	if len(s.config.EncryptedClientHelloConfigList) == 0 {
-		message := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				RecursionDesired: true,
-			},
-			Question: []mDNS.Question{
-				{
-					Name:   mDNS.Fqdn(s.config.ServerName),
-					Qtype:  mDNS.TypeHTTPS,
-					Qclass: mDNS.ClassINET,
-				},
-			},
-		}
-		response, err := s.dnsRouter.Exchange(ctx, message, adapter.DNSQueryOptions{})
-		if err != nil {
-			return nil, E.Cause(err, "fetch ECH config list")
-		}
-		if response.Rcode != mDNS.RcodeSuccess {
-			return nil, E.Cause(dns.RcodeError(response.Rcode), "fetch ECH config list")
-		}
-		for _, rr := range response.Answer {
-			switch resource := rr.(type) {
-			case *mDNS.HTTPS:
-				for _, value := range resource.Value {
-					if value.Key().String() == "ech" {
-						echConfigList, err := base64.StdEncoding.DecodeString(value.String())
-						if err != nil {
-							return nil, E.Cause(err, "decode ECH config")
-						}
-						s.config.EncryptedClientHelloConfigList = echConfigList
-					}
-				}
-			}
-		}
-		return nil, E.New("no ECH config found in DNS records")
-	}
-	tlsConn, err := s.Client(conn)
-	if err != nil {
-		return nil, err
-	}
-	err = tlsConn.HandshakeContext(ctx)
-	if err != nil {
-		return nil, err
-	}
-	return tlsConn, nil
-}
-
-func (s *STDECHClientConfig) Clone() Config {
-	return &STDECHClientConfig{STDClientConfig{s.config.Clone()}, s.dnsRouter}
-}
-
-func UnmarshalECHKeys(raw []byte) ([]tls.EncryptedClientHelloKey, error) {
-	var keys []tls.EncryptedClientHelloKey
-	rawString := cryptobyte.String(raw)
-	for !rawString.Empty() {
-		var key tls.EncryptedClientHelloKey
-		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.PrivateKey)) {
-			return nil, E.New("error parsing private key")
-		}
-		if !rawString.ReadUint16LengthPrefixed((*cryptobyte.String)(&key.Config)) {
-			return nil, E.New("error parsing config")
-		}
-		keys = append(keys, key)
-	}
-	if len(keys) == 0 {
-		return nil, E.New("empty ECH keys")
-	}
-	return keys, nil
-}

common/tls/ech_client.go

@@ -0,0 +1,244 @@
+//go:build with_ech
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/pem"
+	"net"
+	"net/netip"
+	"os"
+	"strings"
+
+	cftls "github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/sing-box/adapter"
+	"github.com/sagernet/sing-box/dns"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/ntp"
+	"github.com/sagernet/sing/service"
+
+	mDNS "github.com/miekg/dns"
+)
+
+type echClientConfig struct {
+	config *cftls.Config
+}
+
+func (c *echClientConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *echClientConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *echClientConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *echClientConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *echClientConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for ECH")
+}
+
+func (c *echClientConfig) Client(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Client(conn, c.config)}, nil
+}
+
+func (c *echClientConfig) Clone() Config {
+	return &echClientConfig{
+		config: c.config.Clone(),
+	}
+}
+
+type echConnWrapper struct {
+	*cftls.Conn
+}
+
+func (c *echConnWrapper) ConnectionState() tls.ConnectionState {
+	state := c.Conn.ConnectionState()
+	//nolint:staticcheck
+	return tls.ConnectionState{
+		Version:                     state.Version,
+		HandshakeComplete:           state.HandshakeComplete,
+		DidResume:                   state.DidResume,
+		CipherSuite:                 state.CipherSuite,
+		NegotiatedProtocol:          state.NegotiatedProtocol,
+		NegotiatedProtocolIsMutual:  state.NegotiatedProtocolIsMutual,
+		ServerName:                  state.ServerName,
+		PeerCertificates:            state.PeerCertificates,
+		VerifiedChains:              state.VerifiedChains,
+		SignedCertificateTimestamps: state.SignedCertificateTimestamps,
+		OCSPResponse:                state.OCSPResponse,
+		TLSUnique:                   state.TLSUnique,
+	}
+}
+
+func (c *echConnWrapper) Upstream() any {
+	return c.Conn
+}
+
+func NewECHClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	var serverName string
+	if options.ServerName != "" {
+		serverName = options.ServerName
+	} else if serverAddress != "" {
+		if _, err := netip.ParseAddr(serverName); err != nil {
+			serverName = serverAddress
+		}
+	}
+	if serverName == "" && !options.Insecure {
+		return nil, E.New("missing server_name or insecure=true")
+	}
+
+	var tlsConfig cftls.Config
+	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
+	tlsConfig.RootCAs = adapter.RootPoolFromContext(ctx)
+	if options.DisableSNI {
+		tlsConfig.ServerName = "127.0.0.1"
+	} else {
+		tlsConfig.ServerName = serverName
+	}
+	if options.Insecure {
+		tlsConfig.InsecureSkipVerify = options.Insecure
+	} else if options.DisableSNI {
+		tlsConfig.InsecureSkipVerify = true
+		tlsConfig.VerifyConnection = func(state cftls.ConnectionState) error {
+			verifyOptions := x509.VerifyOptions{
+				DNSName:       serverName,
+				Intermediates: x509.NewCertPool(),
+			}
+			for _, cert := range state.PeerCertificates[1:] {
+				verifyOptions.Intermediates.AddCert(cert)
+			}
+			_, err := state.PeerCertificates[0].Verify(verifyOptions)
+			return err
+		}
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = options.ALPN
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range cftls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	var certificate []byte
+	if len(options.Certificate) > 0 {
+		certificate = []byte(strings.Join(options.Certificate, "\n"))
+	} else if options.CertificatePath != "" {
+		content, err := os.ReadFile(options.CertificatePath)
+		if err != nil {
+			return nil, E.Cause(err, "read certificate")
+		}
+		certificate = content
+	}
+	if len(certificate) > 0 {
+		certPool := x509.NewCertPool()
+		if !certPool.AppendCertsFromPEM(certificate) {
+			return nil, E.New("failed to parse certificate:\n\n", certificate)
+		}
+		tlsConfig.RootCAs = certPool
+	}
+
+	// ECH Config
+
+	tlsConfig.ECHEnabled = true
+	tlsConfig.PQSignatureSchemesEnabled = options.ECH.PQSignatureSchemesEnabled
+	tlsConfig.DynamicRecordSizingDisabled = options.ECH.DynamicRecordSizingDisabled
+
+	var echConfig []byte
+	if len(options.ECH.Config) > 0 {
+		echConfig = []byte(strings.Join(options.ECH.Config, "\n"))
+	} else if options.ECH.ConfigPath != "" {
+		content, err := os.ReadFile(options.ECH.ConfigPath)
+		if err != nil {
+			return nil, E.Cause(err, "read ECH config")
+		}
+		echConfig = content
+	}
+
+	if len(echConfig) > 0 {
+		block, rest := pem.Decode(echConfig)
+		if block == nil || block.Type != "ECH CONFIGS" || len(rest) > 0 {
+			return nil, E.New("invalid ECH configs pem")
+		}
+		echConfigs, err := cftls.UnmarshalECHConfigs(block.Bytes)
+		if err != nil {
+			return nil, E.Cause(err, "parse ECH configs")
+		}
+		tlsConfig.ClientECHConfigs = echConfigs
+	} else {
+		tlsConfig.GetClientECHConfigs = fetchECHClientConfig(ctx)
+	}
+	return &echClientConfig{&tlsConfig}, nil
+}
+
+func fetchECHClientConfig(ctx context.Context) func(_ context.Context, serverName string) ([]cftls.ECHConfig, error) {
+	return func(_ context.Context, serverName string) ([]cftls.ECHConfig, error) {
+		message := &mDNS.Msg{
+			MsgHdr: mDNS.MsgHdr{
+				RecursionDesired: true,
+			},
+			Question: []mDNS.Question{
+				{
+					Name:   serverName + ".",
+					Qtype:  mDNS.TypeHTTPS,
+					Qclass: mDNS.ClassINET,
+				},
+			},
+		}
+		response, err := service.FromContext[adapter.DNSRouter](ctx).Exchange(ctx, message, adapter.DNSQueryOptions{})
+		if err != nil {
+			return nil, err
+		}
+		if response.Rcode != mDNS.RcodeSuccess {
+			return nil, dns.RCodeError(response.Rcode)
+		}
+		for _, rr := range response.Answer {
+			switch resource := rr.(type) {
+			case *mDNS.HTTPS:
+				for _, value := range resource.Value {
+					if value.Key().String() == "ech" {
+						echConfig, err := base64.StdEncoding.DecodeString(value.String())
+						if err != nil {
+							return nil, E.Cause(err, "decode ECH config")
+						}
+						return cftls.UnmarshalECHConfigs(echConfig)
+					}
+				}
+			default:
+				return nil, E.New("unknown resource record type: ", resource.Header().Rrtype)
+			}
+		}
+		return nil, E.New("no ECH config found")
+	}
+}

common/tls/ech_keygen.go

@@ -1,3 +1,5 @@
+//go:build with_ech
+
 package tls
 
 import (
@@ -5,13 +7,14 @@ import (
 	"encoding/binary"
 	"encoding/pem"
 
+	cftls "github.com/sagernet/cloudflare-tls"
 	E "github.com/sagernet/sing/common/exceptions"
 
 	"github.com/cloudflare/circl/hpke"
 	"github.com/cloudflare/circl/kem"
 )
 
-func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err error) {
+func ECHKeygenDefault(serverName string, pqSignatureSchemesEnabled bool) (configPem string, keyPem string, err error) {
 	cipherSuites := []echCipherSuite{
 		{
 			kdf:  hpke.KDF_HKDF_SHA256,
@@ -21,9 +24,13 @@ func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err e
 			aead: hpke.AEAD_ChaCha20Poly1305,
 		},
 	}
+
 	keyConfig := []myECHKeyConfig{
 		{id: 0, kem: hpke.KEM_X25519_HKDF_SHA256},
 	}
+	if pqSignatureSchemesEnabled {
+		keyConfig = append(keyConfig, myECHKeyConfig{id: 1, kem: hpke.KEM_X25519_KYBER768_DRAFT00})
+	}
 
 	keyPairs, err := echKeygen(0xfe0d, serverName, keyConfig, cipherSuites)
 	if err != nil {
@@ -52,6 +59,7 @@ func ECHKeygenDefault(serverName string) (configPem string, keyPem string, err e
 
 type echKeyConfigPair struct {
 	id      uint8
+	key     cftls.EXP_ECHKey
 	rawKey  []byte
 	conf    myECHKeyConfig
 	rawConf []byte
@@ -147,6 +155,15 @@ func echKeygen(version uint16, serverName string, conf []myECHKeyConfig, suite [
 		sk = append(sk, secBuf...)
 		sk = be.AppendUint16(sk, uint16(len(b)))
 		sk = append(sk, b...)
+
+		cfECHKeys, err := cftls.EXP_UnmarshalECHKeys(sk)
+		if err != nil {
+			return nil, E.Cause(err, "bug: can't parse generated ECH server key")
+		}
+		if len(cfECHKeys) != 1 {
+			return nil, E.New("bug: unexpected server key count")
+		}
+		pair.key = cfECHKeys[0]
 		pair.rawKey = sk
 
 		pairs = append(pairs, pair)

common/tls/ech_quic.go

@@ -0,0 +1,55 @@
+//go:build with_quic && with_ech
+
+package tls
+
+import (
+	"context"
+	"net"
+	"net/http"
+
+	"github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/quic-go/ech"
+	"github.com/sagernet/quic-go/http3_ech"
+	"github.com/sagernet/sing-quic"
+	M "github.com/sagernet/sing/common/metadata"
+)
+
+var (
+	_ qtls.Config       = (*echClientConfig)(nil)
+	_ qtls.ServerConfig = (*echServerConfig)(nil)
+)
+
+func (c *echClientConfig) Dial(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.Connection, error) {
+	return quic.Dial(ctx, conn, addr, c.config, config)
+}
+
+func (c *echClientConfig) DialEarly(ctx context.Context, conn net.PacketConn, addr net.Addr, config *quic.Config) (quic.EarlyConnection, error) {
+	return quic.DialEarly(ctx, conn, addr, c.config, config)
+}
+
+func (c *echClientConfig) CreateTransport(conn net.PacketConn, quicConnPtr *quic.EarlyConnection, serverAddr M.Socksaddr, quicConfig *quic.Config) http.RoundTripper {
+	return &http3.Transport{
+		TLSClientConfig: c.config,
+		QUICConfig:      quicConfig,
+		Dial: func(ctx context.Context, addr string, tlsCfg *tls.Config, cfg *quic.Config) (quic.EarlyConnection, error) {
+			quicConn, err := quic.DialEarly(ctx, conn, serverAddr.UDPAddr(), tlsCfg, cfg)
+			if err != nil {
+				return nil, err
+			}
+			*quicConnPtr = quicConn
+			return quicConn, nil
+		},
+	}
+}
+
+func (c *echServerConfig) Listen(conn net.PacketConn, config *quic.Config) (qtls.Listener, error) {
+	return quic.Listen(conn, c.config, config)
+}
+
+func (c *echServerConfig) ListenEarly(conn net.PacketConn, config *quic.Config) (qtls.EarlyListener, error) {
+	return quic.ListenEarly(conn, c.config, config)
+}
+
+func (c *echServerConfig) ConfigureHTTP3() {
+	http3.ConfigureTLSConfig(c.config)
+}

common/tls/ech_server.go

@@ -0,0 +1,278 @@
+//go:build with_ech
+
+package tls
+
+import (
+	"context"
+	"crypto/tls"
+	"encoding/pem"
+	"net"
+	"os"
+	"strings"
+
+	cftls "github.com/sagernet/cloudflare-tls"
+	"github.com/sagernet/fswatch"
+	"github.com/sagernet/sing-box/log"
+	"github.com/sagernet/sing-box/option"
+	E "github.com/sagernet/sing/common/exceptions"
+	"github.com/sagernet/sing/common/ntp"
+)
+
+type echServerConfig struct {
+	config          *cftls.Config
+	logger          log.Logger
+	certificate     []byte
+	key             []byte
+	certificatePath string
+	keyPath         string
+	echKeyPath      string
+	watcher         *fswatch.Watcher
+}
+
+func (c *echServerConfig) ServerName() string {
+	return c.config.ServerName
+}
+
+func (c *echServerConfig) SetServerName(serverName string) {
+	c.config.ServerName = serverName
+}
+
+func (c *echServerConfig) NextProtos() []string {
+	return c.config.NextProtos
+}
+
+func (c *echServerConfig) SetNextProtos(nextProto []string) {
+	c.config.NextProtos = nextProto
+}
+
+func (c *echServerConfig) Config() (*STDConfig, error) {
+	return nil, E.New("unsupported usage for ECH")
+}
+
+func (c *echServerConfig) Client(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Client(conn, c.config)}, nil
+}
+
+func (c *echServerConfig) Server(conn net.Conn) (Conn, error) {
+	return &echConnWrapper{cftls.Server(conn, c.config)}, nil
+}
+
+func (c *echServerConfig) Clone() Config {
+	return &echServerConfig{
+		config: c.config.Clone(),
+	}
+}
+
+func (c *echServerConfig) Start() error {
+	err := c.startWatcher()
+	if err != nil {
+		c.logger.Warn("create credentials watcher: ", err)
+	}
+	return nil
+}
+
+func (c *echServerConfig) startWatcher() error {
+	var watchPath []string
+	if c.certificatePath != "" {
+		watchPath = append(watchPath, c.certificatePath)
+	}
+	if c.keyPath != "" {
+		watchPath = append(watchPath, c.keyPath)
+	}
+	if c.echKeyPath != "" {
+		watchPath = append(watchPath, c.echKeyPath)
+	}
+	if len(watchPath) == 0 {
+		return nil
+	}
+	watcher, err := fswatch.NewWatcher(fswatch.Options{
+		Path: watchPath,
+		Callback: func(path string) {
+			err := c.credentialsUpdated(path)
+			if err != nil {
+				c.logger.Error(E.Cause(err, "reload credentials"))
+			}
+		},
+	})
+	if err != nil {
+		return err
+	}
+	err = watcher.Start()
+	if err != nil {
+		return err
+	}
+	c.watcher = watcher
+	return nil
+}
+
+func (c *echServerConfig) credentialsUpdated(path string) error {
+	if path == c.certificatePath || path == c.keyPath {
+		if path == c.certificatePath {
+			certificate, err := os.ReadFile(c.certificatePath)
+			if err != nil {
+				return err
+			}
+			c.certificate = certificate
+		} else {
+			key, err := os.ReadFile(c.keyPath)
+			if err != nil {
+				return err
+			}
+			c.key = key
+		}
+		keyPair, err := cftls.X509KeyPair(c.certificate, c.key)
+		if err != nil {
+			return E.Cause(err, "parse key pair")
+		}
+		c.config.Certificates = []cftls.Certificate{keyPair}
+		c.logger.Info("reloaded TLS certificate")
+	} else {
+		echKeyContent, err := os.ReadFile(c.echKeyPath)
+		if err != nil {
+			return err
+		}
+		block, rest := pem.Decode(echKeyContent)
+		if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
+			return E.New("invalid ECH keys pem")
+		}
+		echKeys, err := cftls.EXP_UnmarshalECHKeys(block.Bytes)
+		if err != nil {
+			return E.Cause(err, "parse ECH keys")
+		}
+		echKeySet, err := cftls.EXP_NewECHKeySet(echKeys)
+		if err != nil {
+			return E.Cause(err, "create ECH key set")
+		}
+		c.config.ServerECHProvider = echKeySet
+		c.logger.Info("reloaded ECH keys")
+	}
+	return nil
+}
+
+func (c *echServerConfig) Close() error {
+	var err error
+	if c.watcher != nil {
+		err = E.Append(err, c.watcher.Close(), func(err error) error {
+			return E.Cause(err, "close credentials watcher")
+		})
+	}
+	return err
+}
+
+func NewECHServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	if !options.Enabled {
+		return nil, nil
+	}
+	var tlsConfig cftls.Config
+	if options.ACME != nil && len(options.ACME.Domain) > 0 {
+		return nil, E.New("acme is unavailable in ech")
+	}
+	tlsConfig.Time = ntp.TimeFuncFromContext(ctx)
+	if options.ServerName != "" {
+		tlsConfig.ServerName = options.ServerName
+	}
+	if len(options.ALPN) > 0 {
+		tlsConfig.NextProtos = append(options.ALPN, tlsConfig.NextProtos...)
+	}
+	if options.MinVersion != "" {
+		minVersion, err := ParseTLSVersion(options.MinVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse min_version")
+		}
+		tlsConfig.MinVersion = minVersion
+	}
+	if options.MaxVersion != "" {
+		maxVersion, err := ParseTLSVersion(options.MaxVersion)
+		if err != nil {
+			return nil, E.Cause(err, "parse max_version")
+		}
+		tlsConfig.MaxVersion = maxVersion
+	}
+	if options.CipherSuites != nil {
+	find:
+		for _, cipherSuite := range options.CipherSuites {
+			for _, tlsCipherSuite := range tls.CipherSuites() {
+				if cipherSuite == tlsCipherSuite.Name {
+					tlsConfig.CipherSuites = append(tlsConfig.CipherSuites, tlsCipherSuite.ID)
+					continue find
+				}
+			}
+			return nil, E.New("unknown cipher_suite: ", cipherSuite)
+		}
+	}
+	var certificate []byte
+	var key []byte
+	if len(options.Certificate) > 0 {
+		certificate = []byte(strings.Join(options.Certificate, "\n"))
+	} else if options.CertificatePath != "" {
+		content, err := os.ReadFile(options.CertificatePath)
+		if err != nil {
+			return nil, E.Cause(err, "read certificate")
+		}
+		certificate = content
+	}
+	if len(options.Key) > 0 {
+		key = []byte(strings.Join(options.Key, "\n"))
+	} else if options.KeyPath != "" {
+		content, err := os.ReadFile(options.KeyPath)
+		if err != nil {
+			return nil, E.Cause(err, "read key")
+		}
+		key = content
+	}
+
+	if certificate == nil {
+		return nil, E.New("missing certificate")
+	} else if key == nil {
+		return nil, E.New("missing key")
+	}
+
+	keyPair, err := cftls.X509KeyPair(certificate, key)
+	if err != nil {
+		return nil, E.Cause(err, "parse x509 key pair")
+	}
+	tlsConfig.Certificates = []cftls.Certificate{keyPair}
+
+	var echKey []byte
+	if len(options.ECH.Key) > 0 {
+		echKey = []byte(strings.Join(options.ECH.Key, "\n"))
+	} else if options.ECH.KeyPath != "" {
+		content, err := os.ReadFile(options.ECH.KeyPath)
+		if err != nil {
+			return nil, E.Cause(err, "read ECH key")
+		}
+		echKey = content
+	} else {
+		return nil, E.New("missing ECH key")
+	}
+
+	block, rest := pem.Decode(echKey)
+	if block == nil || block.Type != "ECH KEYS" || len(rest) > 0 {
+		return nil, E.New("invalid ECH keys pem")
+	}
+
+	echKeys, err := cftls.EXP_UnmarshalECHKeys(block.Bytes)
+	if err != nil {
+		return nil, E.Cause(err, "parse ECH keys")
+	}
+
+	echKeySet, err := cftls.EXP_NewECHKeySet(echKeys)
+	if err != nil {
+		return nil, E.Cause(err, "create ECH key set")
+	}
+
+	tlsConfig.ECHEnabled = true
+	tlsConfig.PQSignatureSchemesEnabled = options.ECH.PQSignatureSchemesEnabled
+	tlsConfig.DynamicRecordSizingDisabled = options.ECH.DynamicRecordSizingDisabled
+	tlsConfig.ServerECHProvider = echKeySet
+
+	return &echServerConfig{
+		config:          &tlsConfig,
+		logger:          logger,
+		certificate:     certificate,
+		key:             key,
+		certificatePath: options.CertificatePath,
+		keyPath:         options.KeyPath,
+		echKeyPath:      options.ECH.KeyPath,
+	}, nil
+}

common/tls/ech_stub.go

@@ -1,23 +1,25 @@
-//go:build !go1.24
+//go:build !with_ech
 
 package tls
 
 import (
 	"context"
-	"crypto/tls"
 
+	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
 	E "github.com/sagernet/sing/common/exceptions"
 )
 
-func parseECHClientConfig(ctx context.Context, options option.OutboundTLSOptions, tlsConfig *tls.Config) (Config, error) {
-	return nil, E.New("ECH requires go1.24, please recompile your binary.")
+var errECHNotIncluded = E.New(`ECH is not included in this build, rebuild with -tags with_ech`)
+
+func NewECHServer(ctx context.Context, logger log.Logger, options option.InboundTLSOptions) (ServerConfig, error) {
+	return nil, errECHNotIncluded
 }
 
-func parseECHServerConfig(ctx context.Context, options option.InboundTLSOptions, tlsConfig *tls.Config, echKeyPath *string) error {
-	return E.New("ECH requires go1.24, please recompile your binary.")
+func NewECHClient(ctx context.Context, serverAddress string, options option.OutboundTLSOptions) (Config, error) {
+	return nil, errECHNotIncluded
 }
 
-func reloadECHKeys(echKeyPath string, tlsConfig *tls.Config) error {
-	return E.New("ECH requires go1.24, please recompile your binary.")
+func ECHKeygenDefault(host string, pqSignatureSchemesEnabled bool) (configPem string, keyPem string, err error) {
+	return "", "", errECHNotIncluded
 }

common/tls/mkcert.go

@@ -12,9 +12,6 @@ import (
 )
 
 func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string) (*tls.Certificate, error) {
-	if timeFunc == nil {
-		timeFunc = time.Now
-	}
 	privateKeyPem, publicKeyPem, err := GenerateCertificate(parent, parentKey, timeFunc, serverName, timeFunc().Add(time.Hour))
 	if err != nil {
 		return nil, err
@@ -27,6 +24,9 @@ func GenerateKeyPair(parent *x509.Certificate, parentKey any, timeFunc func() ti
 }
 
 func GenerateCertificate(parent *x509.Certificate, parentKey any, timeFunc func() time.Time, serverName string, expire time.Time) (privateKeyPem []byte, publicKeyPem []byte, err error) {
+	if timeFunc == nil {
+		timeFunc = time.Now
+	}
 	key, err := rsa.GenerateKey(rand.Reader, 2048)
 	if err != nil {
 		return

common/tls/server.go

@@ -16,10 +16,13 @@ func NewServer(ctx context.Context, logger log.Logger, options option.InboundTLS
 	if !options.Enabled {
 		return nil, nil
 	}
-	if options.Reality != nil && options.Reality.Enabled {
+	if options.ECH != nil && options.ECH.Enabled {
+		return NewECHServer(ctx, logger, options)
+	} else if options.Reality != nil && options.Reality.Enabled {
 		return NewRealityServer(ctx, logger, options)
+	} else {
+		return NewSTDServer(ctx, logger, options)
 	}
-	return NewSTDServer(ctx, logger, options)
 }
 
 func ServerHandshake(ctx context.Context, conn net.Conn, config ServerConfig) (Conn, error) {

common/tls/std_client.go

@@ -127,8 +127,5 @@ func NewSTDClient(ctx context.Context, serverAddress string, options option.Outb
 		}
 		tlsConfig.RootCAs = certPool
 	}
-	if options.ECH != nil && options.ECH.Enabled {
-		return parseECHClientConfig(ctx, options, &tlsConfig)
-	}
 	return &STDClientConfig{&tlsConfig}, nil
 }

common/tls/std_server.go

@@ -26,7 +26,6 @@ type STDServerConfig struct {
 	key             []byte
 	certificatePath string
 	keyPath         string
-	echKeyPath      string
 	watcher         *fswatch.Watcher
 }
 
@@ -95,9 +94,6 @@ func (c *STDServerConfig) startWatcher() error {
 	if c.keyPath != "" {
 		watchPath = append(watchPath, c.keyPath)
 	}
-	if c.echKeyPath != "" {
-		watchPath = append(watchPath, c.echKeyPath)
-	}
 	watcher, err := fswatch.NewWatcher(fswatch.Options{
 		Path: watchPath,
 		Callback: func(path string) {
@@ -119,33 +115,25 @@ func (c *STDServerConfig) startWatcher() error {
 }
 
 func (c *STDServerConfig) certificateUpdated(path string) error {
-	if path == c.certificatePath || path == c.keyPath {
-		if path == c.certificatePath {
-			certificate, err := os.ReadFile(c.certificatePath)
-			if err != nil {
-				return E.Cause(err, "reload certificate from ", c.certificatePath)
-			}
-			c.certificate = certificate
-		} else if path == c.keyPath {
-			key, err := os.ReadFile(c.keyPath)
-			if err != nil {
-				return E.Cause(err, "reload key from ", c.keyPath)
-			}
-			c.key = key
-		}
-		keyPair, err := tls.X509KeyPair(c.certificate, c.key)
+	if path == c.certificatePath {
+		certificate, err := os.ReadFile(c.certificatePath)
 		if err != nil {
-			return E.Cause(err, "reload key pair")
+			return E.Cause(err, "reload certificate from ", c.certificatePath)
 		}
-		c.config.Certificates = []tls.Certificate{keyPair}
-		c.logger.Info("reloaded TLS certificate")
-	} else if path == c.echKeyPath {
-		err := reloadECHKeys(c.echKeyPath, c.config)
+		c.certificate = certificate
+	} else if path == c.keyPath {
+		key, err := os.ReadFile(c.keyPath)
 		if err != nil {
-			return err
+			return E.Cause(err, "reload key from ", c.keyPath)
 		}
-		c.logger.Info("reloaded ECH keys")
+		c.key = key
 	}
+	keyPair, err := tls.X509KeyPair(c.certificate, c.key)
+	if err != nil {
+		return E.Cause(err, "reload key pair")
+	}
+	c.config.Certificates = []tls.Certificate{keyPair}
+	c.logger.Info("reloaded TLS certificate")
 	return nil
 }
 
@@ -250,13 +238,6 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 			tlsConfig.Certificates = []tls.Certificate{keyPair}
 		}
 	}
-	var echKeyPath string
-	if options.ECH != nil && options.ECH.Enabled {
-		err = parseECHServerConfig(ctx, options, tlsConfig, &echKeyPath)
-		if err != nil {
-			return nil, err
-		}
-	}
 	return &STDServerConfig{
 		config:          tlsConfig,
 		logger:          logger,
@@ -265,6 +246,5 @@ func NewSTDServer(ctx context.Context, logger log.Logger, options option.Inbound
 		key:             key,
 		certificatePath: options.CertificatePath,
 		keyPath:         options.KeyPath,
-		echKeyPath:      echKeyPath,
 	}, nil
 }

constant/proxy.go

@@ -19,7 +19,6 @@ const (
 	TypeTor          = "tor"
 	TypeSSH          = "ssh"
 	TypeShadowTLS    = "shadowtls"
-	TypeAnyTLS       = "anytls"
 	TypeShadowsocksR = "shadowsocksr"
 	TypeVLESS        = "vless"
 	TypeTUIC         = "tuic"

dns/client.go

@@ -17,7 +17,7 @@ import (
 	"github.com/sagernet/sing/contrab/freelru"
 	"github.com/sagernet/sing/contrab/maphash"
 
-	dns "github.com/miekg/dns"
+	"github.com/miekg/dns"
 )
 
 var (
@@ -484,7 +484,7 @@ func (c *Client) loadResponse(question dns.Question, transport adapter.DNSTransp
 
 func MessageToAddresses(response *dns.Msg) ([]netip.Addr, error) {
 	if response.Rcode != dns.RcodeSuccess && response.Rcode != dns.RcodeNameError {
-		return nil, RcodeError(response.Rcode)
+		return nil, RCodeError(response.Rcode)
 	}
 	addresses := make([]netip.Addr, 0, len(response.Answer))
 	for _, rawAnswer := range response.Answer {
@@ -508,10 +508,10 @@ func wrapError(err error) error {
 	switch dnsErr := err.(type) {
 	case *net.DNSError:
 		if dnsErr.IsNotFound {
-			return RcodeNameError
+			return RCodeNameError
 		}
 	case *net.AddrError:
-		return RcodeNameError
+		return RCodeNameError
 	}
 	return err
 }
@@ -561,73 +561,3 @@ func FixedResponse(id uint16, question dns.Question, addresses []netip.Addr, tim
 	}
 	return &response
 }
-
-func FixedResponseCNAME(id uint16, question dns.Question, record string, timeToLive uint32) *dns.Msg {
-	response := dns.Msg{
-		MsgHdr: dns.MsgHdr{
-			Id:       id,
-			Rcode:    dns.RcodeSuccess,
-			Response: true,
-		},
-		Question: []dns.Question{question},
-		Answer: []dns.RR{
-			&dns.CNAME{
-				Hdr: dns.RR_Header{
-					Name:   question.Name,
-					Rrtype: dns.TypeCNAME,
-					Class:  dns.ClassINET,
-					Ttl:    timeToLive,
-				},
-				Target: record,
-			},
-		},
-	}
-	return &response
-}
-
-func FixedResponseTXT(id uint16, question dns.Question, records []string, timeToLive uint32) *dns.Msg {
-	response := dns.Msg{
-		MsgHdr: dns.MsgHdr{
-			Id:       id,
-			Rcode:    dns.RcodeSuccess,
-			Response: true,
-		},
-		Question: []dns.Question{question},
-		Answer: []dns.RR{
-			&dns.TXT{
-				Hdr: dns.RR_Header{
-					Name:   question.Name,
-					Rrtype: dns.TypeA,
-					Class:  dns.ClassINET,
-					Ttl:    timeToLive,
-				},
-				Txt: records,
-			},
-		},
-	}
-	return &response
-}
-
-func FixedResponseMX(id uint16, question dns.Question, records []*net.MX, timeToLive uint32) *dns.Msg {
-	response := dns.Msg{
-		MsgHdr: dns.MsgHdr{
-			Id:       id,
-			Rcode:    dns.RcodeSuccess,
-			Response: true,
-		},
-		Question: []dns.Question{question},
-	}
-	for _, record := range records {
-		response.Answer = append(response.Answer, &dns.MX{
-			Hdr: dns.RR_Header{
-				Name:   question.Name,
-				Rrtype: dns.TypeA,
-				Class:  dns.ClassINET,
-				Ttl:    timeToLive,
-			},
-			Preference: record.Pref,
-			Mx:         record.Host,
-		})
-	}
-	return &response
-}

dns/rcode.go

@@ -1,17 +1,33 @@
 package dns
 
-import (
-	mDNS "github.com/miekg/dns"
-)
+import F "github.com/sagernet/sing/common/format"
 
 const (
-	RcodeFormatError RcodeError = mDNS.RcodeFormatError
-	RcodeNameError   RcodeError = mDNS.RcodeNameError
-	RcodeRefused     RcodeError = mDNS.RcodeRefused
+	RCodeSuccess        RCodeError = 0 // NoError
+	RCodeFormatError    RCodeError = 1 // FormErr
+	RCodeServerFailure  RCodeError = 2 // ServFail
+	RCodeNameError      RCodeError = 3 // NXDomain
+	RCodeNotImplemented RCodeError = 4 // NotImp
+	RCodeRefused        RCodeError = 5 // Refused
 )
 
-type RcodeError int
+type RCodeError uint16
 
-func (e RcodeError) Error() string {
-	return mDNS.RcodeToString[int(e)]
+func (e RCodeError) Error() string {
+	switch e {
+	case RCodeSuccess:
+		return "success"
+	case RCodeFormatError:
+		return "format error"
+	case RCodeServerFailure:
+		return "server failure"
+	case RCodeNameError:
+		return "name error"
+	case RCodeNotImplemented:
+		return "not implemented"
+	case RCodeRefused:
+		return "refused"
+	default:
+		return F.ToString("unknown error: ", uint16(e))
+	}
 }

dns/router.go

@@ -329,13 +329,13 @@ func (r *Router) Lookup(ctx context.Context, domain string, options adapter.DNSQ
 			}
 		} else if len(responseAddrs) == 0 {
 			r.logger.ErrorContext(ctx, "lookup failed for ", domain, ": empty result")
-			err = RcodeNameError
+			err = RCodeNameError
 		}
 	}
 	responseAddrs, cached = r.client.LookupCache(domain, options.Strategy)
 	if cached {
 		if len(responseAddrs) == 0 {
-			return nil, RcodeNameError
+			return nil, RCodeNameError
 		}
 		return responseAddrs, nil
 	}

dns/transport/fakeip/fakeip.go

@@ -55,7 +55,7 @@ func (t *Transport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg,
 	if question.Qtype != mDNS.TypeA && question.Qtype != mDNS.TypeAAAA {
 		return nil, E.New("only IP queries are supported by fakeip")
 	}
-	address, err := t.store.Create(dns.FqdnToDomain(question.Name), question.Qtype == mDNS.TypeAAAA)
+	address, err := t.store.Create(question.Name, question.Qtype == mDNS.TypeAAAA)
 	if err != nil {
 		return nil, err
 	}

dns/transport/local/local.go

@@ -19,11 +19,14 @@ import (
 	mDNS "github.com/miekg/dns"
 )
 
+func RegisterTransport(registry *dns.TransportRegistry) {
+	dns.RegisterTransport[option.LocalDNSServerOptions](registry, C.DNSTypeLocal, NewTransport)
+}
+
 var _ adapter.DNSTransport = (*Transport)(nil)
 
 type Transport struct {
 	dns.TransportAdapter
-	ctx    context.Context
 	hosts  *hosts.File
 	dialer N.Dialer
 }

dns/transport/local/local_fallback.go

@@ -1,201 +0,0 @@
-package local
-
-import (
-	"context"
-	"errors"
-	"net"
-
-	"github.com/sagernet/sing-box/adapter"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/dns"
-	"github.com/sagernet/sing-box/experimental/libbox/platform"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/service"
-
-	mDNS "github.com/miekg/dns"
-)
-
-func RegisterTransport(registry *dns.TransportRegistry) {
-	dns.RegisterTransport[option.LocalDNSServerOptions](registry, C.DNSTypeLocal, NewFallbackTransport)
-}
-
-type FallbackTransport struct {
-	adapter.DNSTransport
-	ctx      context.Context
-	fallback bool
-	resolver net.Resolver
-}
-
-func NewFallbackTransport(ctx context.Context, logger log.ContextLogger, tag string, options option.LocalDNSServerOptions) (adapter.DNSTransport, error) {
-	transport, err := NewTransport(ctx, logger, tag, options)
-	if err != nil {
-		return nil, err
-	}
-	return &FallbackTransport{
-		DNSTransport: transport,
-		ctx:          ctx,
-	}, nil
-}
-
-func (f *FallbackTransport) Start(stage adapter.StartStage) error {
-	if stage != adapter.StartStateStart {
-		return nil
-	}
-	platformInterface := service.FromContext[platform.Interface](f.ctx)
-	if platformInterface == nil {
-		return nil
-	}
-	inboundManager := service.FromContext[adapter.InboundManager](f.ctx)
-	for _, inbound := range inboundManager.Inbounds() {
-		if inbound.Type() == C.TypeTun {
-			// platform tun hijacks DNS, so we can only use cgo resolver here
-			f.fallback = true
-			break
-		}
-	}
-	return nil
-}
-
-func (f *FallbackTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.Msg, error) {
-	if f.fallback {
-		return f.DNSTransport.Exchange(ctx, message)
-	}
-	question := message.Question[0]
-	domain := dns.FqdnToDomain(question.Name)
-	if question.Qtype == mDNS.TypeA || question.Qtype == mDNS.TypeAAAA {
-		var network string
-		if question.Qtype == mDNS.TypeA {
-			network = "ip4"
-		} else {
-			network = "ip6"
-		}
-		addresses, err := f.resolver.LookupNetIP(ctx, network, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		return dns.FixedResponse(message.Id, question, addresses, C.DefaultDNSTTL), nil
-	} else if question.Qtype == mDNS.TypeNS {
-		records, err := f.resolver.LookupNS(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		response := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-		}
-		for _, record := range records {
-			response.Answer = append(response.Answer, &mDNS.NS{
-				Hdr: mDNS.RR_Header{
-					Name:   question.Name,
-					Rrtype: mDNS.TypeNS,
-					Class:  mDNS.ClassINET,
-					Ttl:    C.DefaultDNSTTL,
-				},
-				Ns: record.Host,
-			})
-		}
-		return response, nil
-	} else if question.Qtype == mDNS.TypeCNAME {
-		cname, err := f.resolver.LookupCNAME(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		return &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-			Answer: []mDNS.RR{
-				&mDNS.CNAME{
-					Hdr: mDNS.RR_Header{
-						Name:   question.Name,
-						Rrtype: mDNS.TypeCNAME,
-						Class:  mDNS.ClassINET,
-						Ttl:    C.DefaultDNSTTL,
-					},
-					Target: cname,
-				},
-			},
-		}, nil
-	} else if question.Qtype == mDNS.TypeTXT {
-		records, err := f.resolver.LookupTXT(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		return &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-			Answer: []mDNS.RR{
-				&mDNS.TXT{
-					Hdr: mDNS.RR_Header{
-						Name:   question.Name,
-						Rrtype: mDNS.TypeCNAME,
-						Class:  mDNS.ClassINET,
-						Ttl:    C.DefaultDNSTTL,
-					},
-					Txt: records,
-				},
-			},
-		}, nil
-	} else if question.Qtype == mDNS.TypeMX {
-		records, err := f.resolver.LookupMX(ctx, domain)
-		if err != nil {
-			var dnsError *net.DNSError
-			if errors.As(err, &dnsError) && dnsError.IsNotFound {
-				return nil, dns.RcodeRefused
-			}
-			return nil, err
-		}
-		response := &mDNS.Msg{
-			MsgHdr: mDNS.MsgHdr{
-				Id:       message.Id,
-				Rcode:    mDNS.RcodeSuccess,
-				Response: true,
-			},
-			Question: []mDNS.Question{question},
-		}
-		for _, record := range records {
-			response.Answer = append(response.Answer, &mDNS.MX{
-				Hdr: mDNS.RR_Header{
-					Name:   question.Name,
-					Rrtype: mDNS.TypeA,
-					Class:  mDNS.ClassINET,
-					Ttl:    C.DefaultDNSTTL,
-				},
-				Preference: record.Pref,
-				Mx:         record.Host,
-			})
-		}
-		return response, nil
-	} else {
-		return nil, E.New("only A, AAAA, NS, CNAME, TXT, MX queries are supported on current platform when using TUN, please switch to a fixed DNS server.")
-	}
-}

dns/transport/local/resolv_darwin_cgo.go

@@ -1,53 +0,0 @@
-//go:build darwin && cgo
-
-package local
-
-/*
-#include <stdlib.h>
-#include <stdio.h>
-#include <resolv.h>
-#include <arpa/inet.h>
-*/
-import "C"
-
-import (
-	"time"
-
-	E "github.com/sagernet/sing/common/exceptions"
-
-	"github.com/miekg/dns"
-)
-
-func dnsReadConfig(_ string) *dnsConfig {
-	if C.res_init() != 0 {
-		return &dnsConfig{
-			servers:  defaultNS,
-			search:   dnsDefaultSearch(),
-			ndots:    1,
-			timeout:  5 * time.Second,
-			attempts: 2,
-			err:      E.New("libresolv initialization failed"),
-		}
-	}
-	conf := &dnsConfig{
-		ndots:    1,
-		timeout:  5 * time.Second,
-		attempts: int(C._res.retry),
-	}
-	for i := 0; i < int(C._res.nscount); i++ {
-		ns := C._res.nsaddr_list[i]
-		addr := C.inet_ntoa(ns.sin_addr)
-		if addr == nil {
-			continue
-		}
-		conf.servers = append(conf.servers, C.GoString(addr))
-	}
-	for i := 0; ; i++ {
-		search := C._res.dnsrch[i]
-		if search == nil {
-			break
-		}
-		conf.search = append(conf.search, dns.Fqdn(C.GoString(search)))
-	}
-	return conf
-}

dns/transport/local/resolv_default.go

@@ -1,23 +0,0 @@
-package local
-
-import (
-	"os"
-	"strings"
-	_ "unsafe"
-
-	"github.com/miekg/dns"
-)
-
-//go:linkname defaultNS net.defaultNS
-var defaultNS []string
-
-func dnsDefaultSearch() []string {
-	hn, err := os.Hostname()
-	if err != nil {
-		return nil
-	}
-	if i := strings.IndexRune(hn, '.'); i >= 0 && i < len(hn)-1 {
-		return []string{dns.Fqdn(hn[i+1:])}
-	}
-	return nil
-}

dns/transport/local/resolv_unix.go

@@ -1,4 +1,4 @@
-//go:build !windows && !(darwin && cgo)
+//go:build !windows
 
 package local
 
@@ -9,8 +9,7 @@ import (
 	"os"
 	"strings"
 	"time"
-
-	"github.com/miekg/dns"
+	_ "unsafe"
 )
 
 func dnsReadConfig(name string) *dnsConfig {
@@ -70,13 +69,13 @@ func dnsReadConfig(name string) *dnsConfig {
 			}
 		case "domain":
 			if len(f) > 1 {
-				conf.search = []string{dns.Fqdn(f[1])}
+				conf.search = []string{ensureRooted(f[1])}
 			}
 
 		case "search":
 			conf.search = make([]string, 0, len(f)-1)
 			for i := 1; i < len(f); i++ {
-				name := dns.Fqdn(f[i])
+				name := ensureRooted(f[i])
 				if name == "." {
 					continue
 				}
@@ -138,6 +137,27 @@ func dnsReadConfig(name string) *dnsConfig {
 	return conf
 }
 
+//go:linkname defaultNS net.defaultNS
+var defaultNS []string
+
+func dnsDefaultSearch() []string {
+	hn, err := os.Hostname()
+	if err != nil {
+		return nil
+	}
+	if i := strings.IndexRune(hn, '.'); i >= 0 && i < len(hn)-1 {
+		return []string{ensureRooted(hn[i+1:])}
+	}
+	return nil
+}
+
+func ensureRooted(s string) string {
+	if len(s) > 0 && s[len(s)-1] == '.' {
+		return s
+	}
+	return s + "."
+}
+
 const big = 0xFFFFFF
 
 func dtoi(s string) (n int, i int, ok bool) {

dns/transport/local/resolv_windows.go

@@ -69,6 +69,9 @@ func dnsReadConfig(_ string) *dnsConfig {
 	return conf
 }
 
+//go:linkname defaultNS net.defaultNS
+var defaultNS []string
+
 func adapterAddresses() ([]*windows.IpAdapterAddresses, error) {
 	var b []byte
 	l := uint32(15000) // recommended initial size

dns/transport/predefined.go

@@ -74,10 +74,9 @@ func (t *PredefinedTransport) Exchange(ctx context.Context, message *mDNS.Msg) (
 			}() {
 				copyAnswer := *response.answer
 				copyAnswer.Id = message.Id
-				copyAnswer.Question = message.Question
 				return &copyAnswer, nil
 			}
 		}
 	}
-	return nil, dns.RcodeNameError
+	return nil, dns.RCodeNameError
 }

dns/transport/quic/http3.go

@@ -72,7 +72,7 @@ func NewHTTP3(ctx context.Context, logger log.ContextLogger, tag string, options
 		}
 	}
 	destinationURL := url.URL{
-		Scheme: "https",
+		Scheme: "HTTP3",
 		Host:   host,
 	}
 	if destinationURL.Host == "" {

dns/transport_manager.go

@@ -56,12 +56,12 @@ func (m *TransportManager) Start(stage adapter.StartStage) error {
 	}
 	m.started = true
 	m.stage = stage
-	transports := m.transports
+	outbounds := m.transports
 	m.access.Unlock()
 	if stage == adapter.StartStateStart {
 		return m.startTransports(m.transports)
 	} else {
-		for _, outbound := range transports {
+		for _, outbound := range outbounds {
 			err := adapter.LegacyStart(outbound, stage)
 			if err != nil {
 				return E.Cause(err, stage, " dns/", outbound.Type(), "[", outbound.Tag(), "]")

docs/changelog.md

@@ -2,33 +2,10 @@
 icon: material/alert-decagram
 ---
 
-#### 1.12.0-alpha.11
+#### 1.12.0-alpha.8
 
 * Fixes and improvements
 
-#### 1.12.0-alpha.10
-
-* Add AnyTLS protocol **1**
-* Improve `resolve` route action **2**
-* Migrate to stdlib ECH implementation **3**
-* Fixes and improvements
-
-**1**:
-
-The new AnyTLS protocol claims to mitigate TLS proxy traffic characteristics and comes with a new multiplexing scheme.
-
-See [AnyTLS Inbound](/configuration/inbound/anytls/) and [AnyTLS Outbound](/configuration/outbound/anytls/).
-
-**2**:
-
-`resolve` route action now accepts `disable_cache` and other options like in DNS route actions, see [Route Action](/configuration/route/rule_action).
-
-**3**:
-
-See [TLS](/configuration/shared/tls).
-
-The build tag `with_ech` is no longer needed and has been removed.
-
 #### 1.12.0-alpha.7
 
 * Add Tailscale DNS server **1**

docs/configuration/dns/rule_action.md

@@ -16,7 +16,7 @@ icon: material/new-box
   "server": "",
   "strategy": "",
   "disable_cache": false,
-  "rewrite_ttl": null,
+  "rewrite_ttl": 0,
   "client_subnet": null
 }
 ```
@@ -49,7 +49,7 @@ Append a `edns0-subnet` OPT extra record with the specified IP prefix to every q
 
 If value is an IP address instead of prefix, `/32` or `/128` will be appended automatically.
 
-Will overrides `dns.client_subnet`.
+Will overrides `dns.client_subnet` and `servers.[].client_subnet`.
 
 ### route-options
 

docs/configuration/dns/rule_action.zh.md

@@ -17,7 +17,7 @@ icon: material/new-box
 
   "strategy": "",
   "disable_cache": false,
-  "rewrite_ttl": null,
+  "rewrite_ttl": 0,
   "client_subnet": null
 }
 ```
@@ -50,7 +50,7 @@ icon: material/new-box
 
 如果值是 IP 地址而不是前缀，则会自动附加 `/32` 或 `/128`。
 
-将覆盖 `dns.client_subnet`.
+将覆盖 `dns.client_subnet` 与 `servers.[].client_subnet`。
 
 ### route-options
 

docs/configuration/dns/server/http3.md

@@ -50,7 +50,7 @@ If domain name is used, `domain_resolver` must also be set to resolve IP address
 
 The port of the DNS server.
 
-`443` will be used by default.
+`853` will be used by default.
 
 #### path
 

docs/configuration/dns/server/https.md

@@ -50,7 +50,7 @@ If domain name is used, `domain_resolver` must also be set to resolve IP address
 
 The port of the DNS server.
 
-`443` will be used by default.
+`853` will be used by default.
 
 #### path
 

docs/configuration/dns/server/index.md

@@ -27,19 +27,19 @@ icon: material/alert-decagram
 
 The type of the DNS server.
 
-| Type            | Format                      |
-|-----------------|-----------------------------|
-| empty (default) | [Legacy](./legacy/)         |
-| `tcp`           | [TCP](./tcp/)               |
-| `udp`           | [UDP](./udp/)               |
-| `tls`           | [TLS](./tls/)               |
-| `https`         | [HTTPS](./https/)           |
-| `quic`          | [QUIC](./quic/)             |
-| `h3`            | [HTTP/3](./http3/)          |
-| `predefined`    | [Predefined](./predefined/) |
-| `dhcp`          | [DHCP](./dhcp/)             |
-| `fakeip`        | [Fake IP](./fakeip/)        |
-| `tailscale`     | [Tailscale](./tailscale/)   |
+| Type            | Format                                              |
+|-----------------|-----------------------------------------------------|
+| empty (default) | [Legacy](/configuration/dns/server/legacy/)         |
+| `tcp`           | [TCP](/configuration/dns/server/tcp/)               |
+| `udp`           | [UDP](/configuration/dns/server/udp/)               |
+| `tls`           | [TLS](/configuration/dns/server/tls/)               |
+| `https`         | [HTTPS](/configuration/dns/server/https/)           |
+| `quic`          | [QUIC](/configuration/dns/server/quic/)             |
+| `h3`            | [HTTP/3](/configuration/dns/server/http3/)          |
+| `predefined`    | [Predefined](/configuration/dns/server/predefined/) |
+| `dhcp`          | [DHCP](/configuration/dns/server/dhcp/)             |
+| `fakeip`        | [Fake IP](/configuration/dns/server/fakeip/)        |
+
 
 #### tag
 

docs/configuration/dns/server/index.zh.md

@@ -1,46 +0,0 @@
----
-icon: material/alert-decagram
----
-
-!!! quote "sing-box 1.12.0 中的更改"
-
-    :material-plus: [type](#type)
-
-# DNS Server
-
-### 结构
-
-```json
-{
-  "dns": {
-    "servers": [
-      {
-        "type": "",
-        "tag": ""
-      }
-    ]
-  }
-}
-```
-
-#### type
-
-DNS 服务器的类型。
-
-| 类型              | 格式                          |
-|-----------------|-----------------------------|
-| empty (default) | [Legacy](./legacy/)         |
-| `tcp`           | [TCP](./tcp/)               |
-| `udp`           | [UDP](./udp/)               |
-| `tls`           | [TLS](./tls/)               |
-| `https`         | [HTTPS](./https/)           |
-| `quic`          | [QUIC](./quic/)             |
-| `h3`            | [HTTP/3](./http3/)          |
-| `predefined`    | [Predefined](./predefined/) |
-| `dhcp`          | [DHCP](./dhcp/)             |
-| `fakeip`        | [Fake IP](./fakeip/)        |
-| `tailscale`     | [Tailscale](./tailscale/)   |
-
-#### tag
-
-DNS 服务器的标签。

docs/configuration/endpoint/index.md

@@ -26,7 +26,6 @@ Endpoint is protocols that has both inbound and outbound behavior.
 | Type        | Format                    |
 |-------------|---------------------------|
 | `wireguard` | [WireGuard](./wireguard/) |
-| `tailscale` | [Tailscale](./tailscale/) |
 
 #### tag
 

docs/configuration/endpoint/index.zh.md

@@ -23,10 +23,9 @@ icon: material/new-box
 
 ### 字段
 
-| 类型          | 格式                        |
+| 类型          | 格式                        | 
 |-------------|---------------------------|
-| `wireguard` | [WireGuard](./wiregaurd/) |
-| `tailscale` | [Tailscale](./tailscale/) |
+| `wireguard` | [WireGuard](./wiregaurd/) | 
 
 #### tag
 

docs/configuration/endpoint/wireguard.zh.md

@@ -41,7 +41,7 @@ icon: material/new-box
 
 ### 字段
 
-#### system
+#### system_interface
 
 使用系统设备。
 

docs/configuration/inbound/anytls.md

@@ -1,59 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "Since sing-box 1.12.0"
-
-### Structure
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-in",
-
-  ... // Listen Fields
-
-  "users": [
-    {
-      "name": "sekai",
-      "password": "8JCsPssfgS8tiRwiMlhARg=="
-    }
-  ],
-  "padding_scheme": [],
-  "tls": {}
-}
-```
-
-### Listen Fields
-
-See [Listen Fields](/configuration/shared/listen/) for details.
-
-### Fields
-
-#### users
-
-==Required==
-
-AnyTLS users.
-
-#### padding_scheme
-
-AnyTLS padding scheme line array.
-
-Default padding scheme:
-
-```
-stop=8
-0=34-120
-1=100-400
-2=400-500,c,500-1000,c,400-500,c,500-1000,c,500-1000,c,400-500
-3=500-1000
-4=500-1000
-5=500-1000
-6=500-1000
-7=500-1000
-```
-
-#### tls
-
-TLS configuration, see [TLS](/configuration/shared/tls/#inbound).

docs/configuration/inbound/anytls.zh.md

@@ -1,59 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "自 sing-box 1.12.0 起"
-
-### 结构
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-in",
-
-  ... // 监听字段
-
-  "users": [
-    {
-      "name": "sekai",
-      "password": "8JCsPssfgS8tiRwiMlhARg=="
-    }
-  ],
-  "padding_scheme": [],
-  "tls": {}
-}
-```
-
-### 监听字段
-
-参阅 [监听字段](/zh/configuration/shared/listen/)。
-
-### 字段
-
-#### users
-
-==必填==
-
-AnyTLS 用户。
-
-#### padding_scheme
-
-AnyTLS 填充方案行数组。
-
-默认填充方案:
-
-```
-stop=8
-0=34-120
-1=100-400
-2=400-500,c,500-1000,c,400-500,c,500-1000,c,500-1000,c,400-500
-3=500-1000
-4=500-1000
-5=500-1000
-6=500-1000
-7=500-1000
-```
-
-#### tls
-
-TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#inbound)。

docs/configuration/inbound/index.md

@@ -30,7 +30,6 @@
 | `tuic`        | [TUIC](./tuic/)               | :material-close: |
 | `hysteria2`   | [Hysteria2](./hysteria2/)     | :material-close: |
 | `vless`       | [VLESS](./vless/)             | TCP              |
-| `anytls`      | [AnyTLS](./anytls/)           | TCP              |
 | `tun`         | [Tun](./tun/)                 | :material-close: |
 | `redirect`    | [Redirect](./redirect/)       | :material-close: |
 | `tproxy`      | [TProxy](./tproxy/)           | :material-close: |

docs/configuration/inbound/index.zh.md

@@ -30,7 +30,6 @@
 | `tuic`        | [TUIC](./tuic/)               | :material-close: |
 | `hysteria2`   | [Hysteria2](./hysteria2/)     | :material-close: |
 | `vless`       | [VLESS](./vless/)             | TCP              |
-| `anytls`      | [AnyTLS](./anytls/)           | TCP              |
 | `tun`         | [Tun](./tun/)                 | :material-close: |
 | `redirect`    | [Redirect](./redirect/)       | :material-close: |
 | `tproxy`      | [TProxy](./tproxy/)           | :material-close: |

docs/configuration/index.md

@@ -9,7 +9,6 @@ sing-box uses JSON for configuration files.
   "log": {},
   "dns": {},
   "ntp": {},
-  "certificate": {},
   "endpoints": [],
   "inbounds": [],
   "outbounds": [],
@@ -25,7 +24,6 @@ sing-box uses JSON for configuration files.
 | `log`          | [Log](./log/)                   |
 | `dns`          | [DNS](./dns/)                   |
 | `ntp`          | [NTP](./ntp/)                   |
-| `certificate`  | [Certificate](./certificate/)   |
 | `endpoints`    | [Endpoint](./endpoint/)         |
 | `inbounds`     | [Inbound](./inbound/)           |
 | `outbounds`    | [Outbound](./outbound/)         |

docs/configuration/index.zh.md

@@ -9,7 +9,6 @@ sing-box 使用 JSON 作为配置文件格式。
   "log": {},
   "dns": {},
   "ntp": {},
-  "certificate": {},
   "endpoints": [],
   "inbounds": [],
   "outbounds": [],
@@ -25,7 +24,6 @@ sing-box 使用 JSON 作为配置文件格式。
 | `log`          | [日志](./log/)           |
 | `dns`          | [DNS](./dns/)          |
 | `ntp`          | [NTP](./ntp/)          |
-| `certificate`  | [证书](./certificate/)   |
 | `endpoints`    | [端点](./endpoint/)      |
 | `inbounds`     | [入站](./inbound/)       |
 | `outbounds`    | [出站](./outbound/)      |

docs/configuration/outbound/anytls.md

@@ -1,61 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "Since sing-box 1.12.0"
-
-### Structure
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-out",
-
-  "server": "127.0.0.1",
-  "server_port": 1080,
-  "password": "8JCsPssfgS8tiRwiMlhARg==",
-  "idle_session_check_interval": "30s",
-  "idle_session_timeout": "30s",
-  "tls": {},
-
-  ... // Dial Fields
-}
-```
-
-### Fields
-
-#### server
-
-==Required==
-
-The server address.
-
-#### server_port
-
-==Required==
-
-The server port.
-
-#### password
-
-==Required==
-
-The AnyTLS password.
-
-#### idle_session_check_interval
-
-Interval checking for idle sessions. Default: 30s.
-
-#### idle_session_timeout
-
-In the check, close sessions that have been idle for longer than this. Default: 30s.
-
-#### tls
-
-==Required==
-
-TLS configuration, see [TLS](/configuration/shared/tls/#outbound).
-
-### Dial Fields
-
-See [Dial Fields](/configuration/shared/dial/) for details.

docs/configuration/outbound/anytls.zh.md

@@ -1,61 +0,0 @@
----
-icon: material/new-box
----
-
-!!! question "自 sing-box 1.12.0 起"
-
-### 结构
-
-```json
-{
-  "type": "anytls",
-  "tag": "anytls-out",
-
-  "server": "127.0.0.1",
-  "server_port": 1080,
-  "password": "8JCsPssfgS8tiRwiMlhARg==",
-  "idle_session_check_interval": "30s",
-  "idle_session_timeout": "30s",
-  "tls": {},
-
-  ... // 拨号字段
-}
-```
-
-### 字段
-
-#### server
-
-==必填==
-
-服务器地址。
-
-#### server_port
-
-==必填==
-
-服务器端口。
-
-#### password
-
-==必填==
-
-AnyTLS 密码。
-
-#### idle_session_check_interval
-
-检查空闲会话的时间间隔。默认值：30秒。
-
-#### idle_session_timeout
-
-在检查中，关闭闲置时间超过此值的会话。默认值：30秒。
-
-#### tls
-
-==必填==
-
-TLS 配置, 参阅 [TLS](/zh/configuration/shared/tls/#outbound)。
-
-### 拨号字段
-
-参阅 [拨号字段](/zh/configuration/shared/dial/)。

docs/configuration/outbound/index.md

@@ -30,7 +30,6 @@
 | `shadowtls`    | [ShadowTLS](./shadowtls/)       |
 | `tuic`         | [TUIC](./tuic/)                 |
 | `hysteria2`    | [Hysteria2](./hysteria2/)       |
-| `anytls`       | [AnyTLS](./anytls/)             |
 | `tor`          | [Tor](./tor/)                   |
 | `ssh`          | [SSH](./ssh/)                   |
 | `dns`          | [DNS](./dns/)                   |

docs/configuration/outbound/index.zh.md

@@ -30,7 +30,6 @@
 | `shadowtls`    | [ShadowTLS](./shadowtls/)       |
 | `tuic`         | [TUIC](./tuic/)                 |
 | `hysteria2`    | [Hysteria2](./hysteria2/)       |
-| `anytls`       | [AnyTLS](./anytls/)             |
 | `tor`          | [Tor](./tor/)                   |
 | `ssh`          | [SSH](./ssh/)                   |
 | `dns`          | [DNS](./dns/)                   |

docs/configuration/route/rule_action.md

@@ -5,10 +5,7 @@ icon: material/new-box
 !!! quote "Changes in sing-box 1.12.0"
 
     :material-plus: [tls_fragment](#tls_fragment)  
-    :material-plus: [tls_fragment_fallback_delay](#tls_fragment_fallback_delay)  
-    :material-plus: [resolve.disable_cache](#disable_cache)  
-    :material-plus: [resolve.rewrite_ttl](#rewrite_ttl)  
-    :material-plus: [resolve.client_subnet](#client_subnet)
+    :material-plus: [tls_fragment_fallback_delay](#tls_fragment_fallback_delay)
 
 ## Final actions
 
@@ -213,44 +210,19 @@ Timeout for sniffing.
 ```json
 {
   "action": "resolve",
-  "server": "",
   "strategy": "",
-  "disable_cache": false,
-  "rewrite_ttl": null,
-  "client_subnet": null
+  "server": ""
 }
 ```
 
 `resolve` resolve request destination from domain to IP addresses.
 
-#### server
-
-Specifies DNS server tag to use instead of selecting through DNS routing.
-
 #### strategy
 
 DNS resolution strategy, available values are: `prefer_ipv4`, `prefer_ipv6`, `ipv4_only`, `ipv6_only`.
 
 `dns.strategy` will be used by default.
 
-#### disable_cache
+#### server
 
-!!! question "Since sing-box 1.12.0"
-
-Disable cache and save cache in this query.
-
-#### rewrite_ttl
-
-!!! question "Since sing-box 1.12.0"
-
-Rewrite TTL in DNS responses.
-
-#### client_subnet
-
-!!! question "Since sing-box 1.12.0"
-
-Append a `edns0-subnet` OPT extra record with the specified IP prefix to every query by default.
-
-If value is an IP address instead of prefix, `/32` or `/128` will be appended automatically.
-
-Will overrides `dns.client_subnet`.
+Specifies DNS server tag to use instead of selecting through DNS routing.

docs/configuration/route/rule_action.zh.md

@@ -206,44 +206,19 @@ UDP 连接超时时间。
 ```json
 {
   "action": "resolve",
-  "server": "",
   "strategy": "",
-  "disable_cache": false,
-  "rewrite_ttl": null,
-  "client_subnet": null
+  "server": ""
 }
 ```
 
 `resolve` 将请求的目标从域名解析为 IP 地址。
 
-#### server
-
-指定要使用的 DNS 服务器的标签，而不是通过 DNS 路由进行选择。
-
 #### strategy
 
 DNS 解析策略，可用值有：`prefer_ipv4`、`prefer_ipv6`、`ipv4_only`、`ipv6_only`。
 
 默认使用 `dns.strategy`。
 
-#### disable_cache
+#### server
 
-!!! question "自 sing-box 1.12.0 起"
-
-在此查询中禁用缓存。
-
-#### rewrite_ttl
-
-!!! question "自 sing-box 1.12.0 起"
-
-重写 DNS 回应中的 TTL。
-
-#### client_subnet
-
-!!! question "自 sing-box 1.12.0 起"
-
-默认情况下，将带有指定 IP 前缀的 `edns0-subnet` OPT 附加记录附加到每个查询。
-
-如果值是 IP 地址而不是前缀，则会自动附加 `/32` 或 `/128`。
-
-将覆盖 `dns.client_subnet`.
+指定要使用的 DNS 服务器的标签，而不是通过 DNS 路由进行选择。

docs/configuration/shared/tls.md

@@ -1,12 +1,3 @@
----
-icon: material/alert-decagram
----
-
-!!! quote "Changes in sing-box 1.12.0"
-
-    :material-delete-clock: [ech.pq_signature_schemes_enabled](#pq_signature_schemes_enabled)  
-    :material-delete-clock: [ech.dynamic_record_sizing_disabled](#dynamic_record_sizing_disabled)
-
 !!! quote "Changes in sing-box 1.10.0"
 
     :material-alert-decagram: [utls](#utls)  
@@ -43,13 +34,10 @@ icon: material/alert-decagram
   },
   "ech": {
     "enabled": false,
-    "key": [],
-    "key_path": "",
-
-    // Deprecated
-    
     "pq_signature_schemes_enabled": false,
-    "dynamic_record_sizing_disabled": false
+    "dynamic_record_sizing_disabled": false,
+    "key": [],
+    "key_path": ""
   },
   "reality": {
     "enabled": false,
@@ -84,12 +72,10 @@ icon: material/alert-decagram
   "certificate_path": "",
   "ech": {
     "enabled": false,
-    "config": [],
-    "config_path": "",
-
-    // Deprecated
     "pq_signature_schemes_enabled": false,
-    "dynamic_record_sizing_disabled": false
+    "dynamic_record_sizing_disabled": false,
+    "config": [],
+    "config_path": ""
   },
   "utls": {
     "enabled": false,
@@ -260,22 +246,16 @@ Chrome fingerprint will be used if empty.
 ECH (Encrypted Client Hello) is a TLS extension that allows a client to encrypt the first part of its ClientHello
 message.
 
-The ECH key and configuration can be generated by `sing-box generate ech-keypair`.
+The ECH key and configuration can be generated by `sing-box generate ech-keypair [--pq-signature-schemes-enabled]`.
 
 #### pq_signature_schemes_enabled
 
-!!! failure "Deprecated in sing-box 1.12.0"
-
-    ECH support has been migrated to use stdlib in sing-box 1.12.0, which does not come with support for PQ signature schemes, so `pq_signature_schemes_enabled` has been deprecated and no longer works.
-
 Enable support for post-quantum peer certificate signature schemes.
 
+It is recommended to match the parameters of `sing-box generate ech-keypair`.
+
 #### dynamic_record_sizing_disabled
 
-!!! failure "Deprecated in sing-box 1.12.0"
-
-    `dynamic_record_sizing_disabled` has nothing to do with ECH, was added by mistake, has been deprecated and no longer works.
-
 Disables adaptive sizing of TLS records.
 
 When true, the largest possible TLS record size is always used.  

docs/configuration/shared/tls.zh.md

@@ -1,12 +1,3 @@
----
-icon: material/alert-decagram
----
-
-!!! quote "sing-box 1.12.0 中的更改"
-
-    :material-delete-clock: [ech.pq_signature_schemes_enabled](#pq_signature_schemes_enabled)  
-    :material-delete-clock: [ech.dynamic_record_sizing_disabled](#dynamic_record_sizing_disabled)
-
 !!! quote "sing-box 1.10.0 中的更改"
 
     :material-alert-decagram: [utls](#utls)  
@@ -43,21 +34,18 @@ icon: material/alert-decagram
   },
   "ech": {
     "enabled": false,
-    "key": [],
-    "key_path": "",
-
-    // 废弃的
-    
     "pq_signature_schemes_enabled": false,
-    "dynamic_record_sizing_disabled": false
+    "dynamic_record_sizing_disabled": false,
+    "key": [],
+    "key_path": ""
   },
   "reality": {
     "enabled": false,
     "handshake": {
       "server": "google.com",
       "server_port": 443,
-      
-      ... // 拨号字段
+      ...
+      // 拨号字段
     },
     "private_key": "UuMBgl7MXTPx9inmQp2UC7Jcnwc6XYbwDNebonM-FCc",
     "short_id": [
@@ -252,6 +240,19 @@ ECH (Encrypted Client Hello) 是一个 TLS 扩展，它允许客户端加密其
 
 ECH 配置和密钥可以通过 `sing-box generate ech-keypair [--pq-signature-schemes-enabled]` 生成。
 
+#### pq_signature_schemes_enabled
+
+启用对后量子对等证书签名方案的支持。
+
+建议匹配 `sing-box generate ech-keypair` 的参数。
+
+#### dynamic_record_sizing_disabled
+
+禁用 TLS 记录的自适应大小调整。
+
+如果为 true，则始终使用最大可能的 TLS 记录大小。
+如果为 false，则可能会调整 TLS 记录的大小以尝试改善延迟。
+
 #### key
 
 ==仅服务器==
@@ -284,27 +285,6 @@ ECH PEM 配置路径
 
 如果为空，将尝试从 DNS 加载。
 
-#### pq_signature_schemes_enabled
-
-!!! failure "已在 sing-box 1.12.0 废弃"
-
-    ECH 支持已在 sing-box 1.12.0 迁移至使用标准库，但标准库不支持后量子对等证书签名方案，因此 `pq_signature_schemes_enabled` 已被弃用且不再工作。
-
-启用对后量子对等证书签名方案的支持。
-
-建议匹配 `sing-box generate ech-keypair` 的参数。
-
-#### dynamic_record_sizing_disabled
-
-!!! failure "已在 sing-box 1.12.0 废弃"
-
-    `dynamic_record_sizing_disabled` 与 ECH 无关，是错误添加的，现已弃用且不再工作。
-
-禁用 TLS 记录的自适应大小调整。
-
-如果为 true，则始终使用最大可能的 TLS 记录大小。
-如果为 false，则可能会调整 TLS 记录的大小以尝试改善延迟。
-
 ### ACME 字段
 
 #### domain

docs/deprecated.md

@@ -19,17 +19,6 @@ Legacy `outbound` DNS rules are deprecated
 and can be replaced by dial fields,
 check [Migration](../migration/#migrate-outbound-dns-rule-items-to-domain-resolver).
 
-#### Legacy ECH fields
-
-ECH support has been migrated to use stdlib in sing-box 1.12.0,
-which does not come with support for PQ signature schemes,
-so `pq_signature_schemes_enabled` has been deprecated and no longer works.
-
-Also, `dynamic_record_sizing_disabled` has nothing to do with ECH,
-was added by mistake, has been deprecated and no longer works.
-
-These fields will be removed in sing-box 1.13.0.
-
 ## 1.11.0
 
 #### Legacy special outbounds

docs/deprecated.zh.md

@@ -17,15 +17,6 @@ DNS 服务器已重构，
 且可被拨号字段代替，
 参阅 [迁移指南](/migration/#migrate-outbound-dns-rule-items-to-domain-resolver).
 
-#### 旧的 ECH 字段
-
-ECH 支持已在 sing-box 1.12.0 迁移至使用标准库，但标准库不支持后量子对等证书签名方案，
-因此 `pq_signature_schemes_enabled` 已被弃用且不再工作。
-
-另外，`dynamic_record_sizing_disabled` 与 ECH 无关，是错误添加的，现已弃用且不再工作。
-
-相关字段将在 sing-box 1.13.0 中被移除。
-
 ## 1.11.0
 
 #### 旧的特殊出站

docs/installation/build-from-source.md

@@ -6,18 +6,19 @@ icon: material/file-code
 
 ## :material-graph: Requirements
 
-### sing-box 1.11
-
-* Go 1.23.1 - ~
-
 ### sing-box 1.10
 
 * Go 1.20.0 - ~
+* Go 1.20.0 - ~ with tag `with_quic`, or `with_utls` enabled
+* Go 1.21.0 - ~ with tag `with_ech` enabled
 
 ### sing-box 1.9
 
 * Go 1.18.5 - 1.22.x
 * Go 1.20.0 - 1.22.x with tag `with_quic`, or `with_utls` enabled
+* Go 1.21.0 - 1.22.x with tag `with_ech` enabled
+
+You can download and install Go from: https://go.dev/doc/install, latest version is recommended.
 
 ## :material-fast-forward: Simple Build
 
@@ -45,19 +46,20 @@ go build -tags "tag_a tag_b" ./cmd/sing-box
 
 ## :material-folder-settings: Build Tags
 
-| Build Tag                          | Enabled by default   | Description                                                                                                                                                                                                                                                                                                                    |
-|------------------------------------|----------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
-| `with_quic`                        | :material-check:     | Build with QUIC support, see [QUIC and HTTP3 DNS transports](/configuration/dns/server/), [Naive inbound](/configuration/inbound/naive/), [Hysteria Inbound](/configuration/inbound/hysteria/), [Hysteria Outbound](/configuration/outbound/hysteria/) and [V2Ray Transport#QUIC](/configuration/shared/v2ray-transport#quic). |
-| `with_grpc`                        | :material-close:️    | Build with standard gRPC support, see [V2Ray Transport#gRPC](/configuration/shared/v2ray-transport#grpc).                                                                                                                                                                                                                      |
-| `with_dhcp`                        | :material-check:     | Build with DHCP support, see [DHCP DNS transport](/configuration/dns/server/).                                                                                                                                                                                                                                                 |
-| `with_wireguard`                   | :material-check:     | Build with WireGuard support, see [WireGuard outbound](/configuration/outbound/wireguard/).                                                                                                                                                                                                                                    |
-| `with_utls`                        | :material-check:     | Build with [uTLS](https://github.com/refraction-networking/utls) support for TLS outbound, see [TLS](/configuration/shared/tls#utls).                                                                                                                                                                                          |
-| `with_reality_server`              | :material-check:     | Build with reality TLS server support,  see [TLS](/configuration/shared/tls/).                                                                                                                                                                                                                                                 |
-| `with_acme`                        | :material-check:     | Build with ACME TLS certificate issuer support, see [TLS](/configuration/shared/tls/).                                                                                                                                                                                                                                         |
-| `with_clash_api`                   | :material-check:     | Build with Clash API support, see [Experimental](/configuration/experimental#clash-api-fields).                                                                                                                                                                                                                                |
-| `with_v2ray_api`                   | :material-close:️    | Build with V2Ray API support, see [Experimental](/configuration/experimental#v2ray-api-fields).                                                                                                                                                                                                                                |
-| `with_gvisor`                      | :material-check:     | Build with gVisor support, see [Tun inbound](/configuration/inbound/tun#stack) and [WireGuard outbound](/configuration/outbound/wireguard#system_interface).                                                                                                                                                                   |
-| `with_embedded_tor` (CGO required) | :material-close:️    | Build with embedded Tor support, see [Tor outbound](/configuration/outbound/tor/).                                                                                                                                                                                                                                             |
-| `with_tailscale`                   | :material-check:     | Build with Tailscale support, see [Tailscale endpoint](/configuration/endpoint/tailscale)                                                                                                                                                                                                                                      |
+| Build Tag                          | Enabled by default | Description                                                                                                                                                                                                                                                                                                                    |
+|------------------------------------|--------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `with_quic`                        | :material-check:   | Build with QUIC support, see [QUIC and HTTP3 DNS transports](/configuration/dns/server/), [Naive inbound](/configuration/inbound/naive/), [Hysteria Inbound](/configuration/inbound/hysteria/), [Hysteria Outbound](/configuration/outbound/hysteria/) and [V2Ray Transport#QUIC](/configuration/shared/v2ray-transport#quic). |
+| `with_grpc`                        | :material-close:️  | Build with standard gRPC support, see [V2Ray Transport#gRPC](/configuration/shared/v2ray-transport#grpc).                                                                                                                                                                                                                      |
+| `with_dhcp`                        | :material-check:   | Build with DHCP support, see [DHCP DNS transport](/configuration/dns/server/).                                                                                                                                                                                                                                                 |
+| `with_wireguard`                   | :material-check:   | Build with WireGuard support, see [WireGuard outbound](/configuration/outbound/wireguard/).                                                                                                                                                                                                                                    |
+| `with_ech`                         | :material-check:   | Build with TLS ECH extension support for TLS outbound, see [TLS](/configuration/shared/tls#ech).                                                                                                                                                                                                                               |
+| `with_utls`                        | :material-check:   | Build with [uTLS](https://github.com/refraction-networking/utls) support for TLS outbound, see [TLS](/configuration/shared/tls#utls).                                                                                                                                                                                          |
+| `with_reality_server`              | :material-check:   | Build with reality TLS server support,  see [TLS](/configuration/shared/tls/).                                                                                                                                                                                                                                                 |
+| `with_acme`                        | :material-check:   | Build with ACME TLS certificate issuer support, see [TLS](/configuration/shared/tls/).                                                                                                                                                                                                                                         |
+| `with_clash_api`                   | :material-check:   | Build with Clash API support, see [Experimental](/configuration/experimental#clash-api-fields).                                                                                                                                                                                                                                |
+| `with_v2ray_api`                   | :material-close:️  | Build with V2Ray API support, see [Experimental](/configuration/experimental#v2ray-api-fields).                                                                                                                                                                                                                                |
+| `with_gvisor`                      | :material-check:   | Build with gVisor support, see [Tun inbound](/configuration/inbound/tun#stack) and [WireGuard outbound](/configuration/outbound/wireguard#system_interface).                                                                                                                                                                   |
+| `with_embedded_tor` (CGO required) | :material-close:️  | Build with embedded Tor support, see [Tor outbound](/configuration/outbound/tor/).                                                                                                                                                                                                                                             |
+| `with_tailscale`                   | :material-check:   | Build with Tailscale support, see [Tailscale endpoint](/configuration/endpoint/tailscale)                                                                                                                                                                                                                                      |
 
 It is not recommended to change the default build tag list unless you really know what you are adding.

docs/installation/build-from-source.zh.md

@@ -6,13 +6,10 @@ icon: material/file-code
 
 ## :material-graph: 要求
 
-### sing-box 1.11
-
-* Go 1.23.1 - ~
-
 ### sing-box 1.10
 
 * Go 1.20.0 - ~
+* Go 1.20.0 - ~ with tag `with_quic`, or `with_utls` enabled
 * Go 1.21.0 - ~ with tag `with_ech` enabled
 
 ### sing-box 1.9
@@ -55,6 +52,7 @@ go build -tags "tag_a tag_b" ./cmd/sing-box
 | `with_grpc`                        | :material-close:️ | Build with standard gRPC support, see [V2Ray Transport#gRPC](/configuration/shared/v2ray-transport#grpc).                                                                                                                                                                                                                      |
 | `with_dhcp`                        | :material-check:  | Build with DHCP support, see [DHCP DNS transport](/configuration/dns/server/).                                                                                                                                                                                                                                                 |
 | `with_wireguard`                   | :material-check:  | Build with WireGuard support, see [WireGuard outbound](/configuration/outbound/wireguard/).                                                                                                                                                                                                                                    |
+| `with_ech`                         | :material-check:  | Build with TLS ECH extension support for TLS outbound, see [TLS](/configuration/shared/tls#ech).                                                                                                                                                                                                                               |
 | `with_utls`                        | :material-check:  | Build with [uTLS](https://github.com/refraction-networking/utls) support for TLS outbound, see [TLS](/configuration/shared/tls#utls).                                                                                                                                                                                          |
 | `with_reality_server`              | :material-check:  | Build with reality TLS server support,  see [TLS](/configuration/shared/tls/).                                                                                                                                                                                                                                                 |
 | `with_acme`                        | :material-check:  | Build with ACME TLS certificate issuer support, see [TLS](/configuration/shared/tls/).                                                                                                                                                                                                                                         |

experimental/clashapi/server.go

@@ -131,7 +131,7 @@ func NewServer(ctx context.Context, logFactory log.ObservableFactory, options op
 		s.externalUI = filemanager.BasePath(ctx, os.ExpandEnv(options.ExternalUI))
 		chiRouter.Group(func(r chi.Router) {
 			r.Get("/ui", http.RedirectHandler("/ui/", http.StatusMovedPermanently).ServeHTTP)
-			r.Handle("/ui/*", http.StripPrefix("/ui/", http.FileServer(Dir(s.externalUI))))
+			r.Handle("/ui/*", http.StripPrefix("/ui/", http.FileServer(http.Dir(s.externalUI))))
 		})
 	}
 	return s, nil

experimental/clashapi/server_fs.go

@@ -1,18 +0,0 @@
-package clashapi
-
-import "net/http"
-
-type Dir http.Dir
-
-func (d Dir) Open(name string) (http.File, error) {
-	file, err := http.Dir(d).Open(name)
-	if err != nil {
-		return nil, err
-	}
-	return &fileWrapper{file}, nil
-}
-
-// workaround for #2345 #2596
-type fileWrapper struct {
-	http.File
-}

experimental/clashapi/server_resources.go

@@ -43,6 +43,7 @@ func (s *Server) downloadExternalUI() error {
 	} else {
 		downloadURL = "https://github.com/MetaCubeX/Yacd-meta/archive/gh-pages.zip"
 	}
+	s.logger.Info("downloading external ui")
 	var detour adapter.Outbound
 	if s.externalUIDownloadDetour != "" {
 		outbound, loaded := s.outbound.Outbound(s.externalUIDownloadDetour)
@@ -54,7 +55,6 @@ func (s *Server) downloadExternalUI() error {
 		outbound := s.outbound.Default()
 		detour = outbound
 	}
-	s.logger.Info("downloading external ui using outbound/", detour.Type(), "[", detour.Tag(), "]")
 	httpClient := &http.Client{
 		Transport: &http.Transport{
 			ForceAttemptHTTP2:   true,

experimental/deprecated/constants.go

@@ -144,16 +144,14 @@ var OptionTUNGSO = Note{
 	DeprecatedVersion: "1.11.0",
 	ScheduledVersion:  "1.12.0",
 	EnvName:           "TUN_GSO",
-	MigrationLink:     "https://sing-box.sagernet.org/deprecated/#gso-option-in-tun",
 }
 
 var OptionLegacyDNSTransport = Note{
 	Name:              "legacy-dns-transport",
-	Description:       "legacy DNS servers",
+	Description:       "legacy DNS transport",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
-	EnvName:           "LEGACY_DNS_SERVERS",
-	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-to-new-dns-server-formats",
+	EnvName:           "LEGACY_DNS_TRANSPORT",
 }
 
 var OptionLegacyDNSFakeIPOptions = Note{
@@ -161,7 +159,6 @@ var OptionLegacyDNSFakeIPOptions = Note{
 	Description:       "legacy DNS fakeip options",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
-	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-to-new-dns-server-formats",
 }
 
 var OptionOutboundDNSRuleItem = Note{
@@ -169,7 +166,6 @@ var OptionOutboundDNSRuleItem = Note{
 	Description:       "outbound DNS rule item",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
-	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-outbound-dns-rule-items-to-domain-resolver",
 }
 
 var OptionMissingDomainResolver = Note{
@@ -177,15 +173,6 @@ var OptionMissingDomainResolver = Note{
 	Description:       "missing `route.default_domain_resolver` or `domain_resolver` in dial fields",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
-	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-outbound-dns-rule-items-to-domain-resolver",
-}
-
-var OptionLegacyECHOptions = Note{
-	Name:              "legacy-ech-options",
-	Description:       "legacy ECH options",
-	DeprecatedVersion: "1.12.0",
-	ScheduledVersion:  "1.13.0",
-	MigrationLink:     "https://sing-box.sagernet.org/deprecated/#legacy-ech-fields",
 }
 
 var Options = []Note{
@@ -203,5 +190,4 @@ var Options = []Note{
 	OptionLegacyDNSFakeIPOptions,
 	OptionOutboundDNSRuleItem,
 	OptionMissingDomainResolver,
-	OptionLegacyECHOptions,
 }

experimental/deprecated/stderr.go

@@ -28,15 +28,11 @@ func (f *stderrManager) ReportDeprecated(feature Note) {
 		f.logger.Warn(feature.MessageWithLink())
 		return
 	}
-	if feature.EnvName != "" {
-		enable, enableErr := strconv.ParseBool(os.Getenv("ENABLE_DEPRECATED_" + feature.EnvName))
-		if enableErr == nil && enable {
-			f.logger.Warn(feature.MessageWithLink())
-			return
-		}
-		f.logger.Error(feature.MessageWithLink())
-		f.logger.Fatal("to continuing using this feature, set environment variable ENABLE_DEPRECATED_" + feature.EnvName + "=true")
-	} else {
-		f.logger.Error(feature.MessageWithLink())
+	enable, enableErr := strconv.ParseBool(os.Getenv("ENABLE_DEPRECATED_" + feature.EnvName))
+	if enableErr == nil && enable {
+		f.logger.Warn(feature.MessageWithLink())
+		return
 	}
+	f.logger.Error(feature.MessageWithLink())
+	f.logger.Fatal("to continuing using this feature, set environment variable ENABLE_DEPRECATED_" + feature.EnvName + "=true")
 }

experimental/libbox/command_power.go

@@ -4,6 +4,7 @@ import (
 	"encoding/binary"
 	"net"
 
+	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/varbin"
 )
 
@@ -17,7 +18,19 @@ func (c *CommandClient) ServiceReload() error {
 	if err != nil {
 		return err
 	}
-	return readError(conn)
+	var hasError bool
+	err = binary.Read(conn, binary.BigEndian, &hasError)
+	if err != nil {
+		return err
+	}
+	if hasError {
+		errorMessage, err := varbin.ReadValue[string](conn, binary.BigEndian)
+		if err != nil {
+			return err
+		}
+		return E.New(errorMessage)
+	}
+	return nil
 }
 
 func (s *CommandServer) handleServiceReload(conn net.Conn) error {
@@ -42,7 +55,19 @@ func (c *CommandClient) ServiceClose() error {
 	if err != nil {
 		return err
 	}
-	return readError(conn)
+	var hasError bool
+	err = binary.Read(conn, binary.BigEndian, &hasError)
+	if err != nil {
+		return nil
+	}
+	if hasError {
+		errorMessage, err := varbin.ReadValue[string](conn, binary.BigEndian)
+		if err != nil {
+			return nil
+		}
+		return E.New(errorMessage)
+	}
+	return nil
 }
 
 func (s *CommandServer) handleServiceClose(conn net.Conn) error {

experimental/libbox/dns.go

@@ -134,7 +134,7 @@ func (c *ExchangeContext) RawSuccess(result []byte) {
 }
 
 func (c *ExchangeContext) ErrorCode(code int32) {
-	c.error = dns.RcodeError(code)
+	c.error = dns.RCodeError(code)
 }
 
 func (c *ExchangeContext) ErrnoCode(code int32) {

experimental/libbox/service_pause.go

@@ -31,7 +31,3 @@ func (s *BoxService) Wake() {
 func (s *BoxService) ResetNetwork() {
 	s.instance.Router().ResetNetwork()
 }
-
-func (s *BoxService) UpdateWIFIState() {
-	s.instance.Network().UpdateWIFIState()
-}

go.mod

@@ -2,8 +2,9 @@ module github.com/sagernet/sing-box
 
 go 1.23.1
 
+toolchain go1.24.0
+
 require (
-	github.com/anytls/sing-anytls v0.0.2
 	github.com/caddyserver/certmagic v0.21.7
 	github.com/cloudflare/circl v1.6.0
 	github.com/cretz/bine v0.2.0
@@ -20,19 +21,20 @@ require (
 	github.com/oschwald/maxminddb-golang v1.13.1
 	github.com/sagernet/asc-go v0.0.0-20241217030726-d563060fe4e1
 	github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a
+	github.com/sagernet/cloudflare-tls v0.0.0-20231208171750-a4483c1b7cd1
 	github.com/sagernet/cors v1.2.1
 	github.com/sagernet/fswatch v0.1.1
 	github.com/sagernet/gomobile v0.1.4
-	github.com/sagernet/gvisor v0.0.0-20241123041152-536d05261cff
+	github.com/sagernet/gvisor v0.0.0-20250217052116-ed66b6946f72
 	github.com/sagernet/quic-go v0.49.0-beta.1
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691
-	github.com/sagernet/sing v0.6.2-0.20250210072154-8dff604468ff
+	github.com/sagernet/sing v0.6.2-0.20250210105917-3464ed3babc0
 	github.com/sagernet/sing-mux v0.3.1
 	github.com/sagernet/sing-quic v0.4.1-beta.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
 	github.com/sagernet/sing-shadowsocks2 v0.2.0
 	github.com/sagernet/sing-shadowtls v0.2.0
-	github.com/sagernet/sing-tun v0.6.1
+	github.com/sagernet/sing-tun v0.6.2-0.20250217135654-784bb584392f
 	github.com/sagernet/sing-vmess v0.2.0
 	github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7
 	github.com/sagernet/tailscale v1.79.0-mod.1

go.sum

@@ -8,10 +8,6 @@ github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7V
 github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
-github.com/anytls/sing-anytls v0.0.1 h1:Hex6GFUcgATWMWL2E9YgH/7oPgwdokiIF09UQi5BEC0=
-github.com/anytls/sing-anytls v0.0.1/go.mod h1:7rjN6IukwysmdusYsrV51Fgu1uW6vsrdd6ctjnEAln8=
-github.com/anytls/sing-anytls v0.0.2 h1:25azSh0o/LMcIkhS4ZutgRTIGwh8O3wuOhsThVM9K9o=
-github.com/anytls/sing-anytls v0.0.2/go.mod h1:7rjN6IukwysmdusYsrV51Fgu1uW6vsrdd6ctjnEAln8=
 github.com/bits-and-blooms/bitset v1.13.0 h1:bAQ9OPNFYbGHV6Nez0tmNI0RiEu7/hxlYJRUA0wFAVE=
 github.com/bits-and-blooms/bitset v1.13.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/caddyserver/certmagic v0.21.7 h1:66KJioPFJwttL43KYSWk7ErSmE6LfaJgCQuhm8Sg6fg=
@@ -167,14 +163,16 @@ github.com/sagernet/asc-go v0.0.0-20241217030726-d563060fe4e1 h1:qi+ijeREa0yfAaO
 github.com/sagernet/asc-go v0.0.0-20241217030726-d563060fe4e1/go.mod h1:JULDuzTMn2gyZFcjpTVZP4/UuwAdbHJ0bum2RdjXojU=
 github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a h1:+NkI2670SQpQWvkkD2QgdTuzQG263YZ+2emfpeyGqW0=
 github.com/sagernet/bbolt v0.0.0-20231014093535-ea5cb2fe9f0a/go.mod h1:63s7jpZqcDAIpj8oI/1v4Izok+npJOHACFCU6+huCkM=
+github.com/sagernet/cloudflare-tls v0.0.0-20231208171750-a4483c1b7cd1 h1:YbmpqPQEMdlk9oFSKYWRqVuu9qzNiOayIonKmv1gCXY=
+github.com/sagernet/cloudflare-tls v0.0.0-20231208171750-a4483c1b7cd1/go.mod h1:J2yAxTFPDjrDPhuAi9aWFz2L3ox9it4qAluBBbN0H5k=
 github.com/sagernet/cors v1.2.1 h1:Cv5Z8y9YSD6Gm+qSpNrL3LO4lD3eQVvbFYJSG7JCMHQ=
 github.com/sagernet/cors v1.2.1/go.mod h1:O64VyOjjhrkLmQIjF4KGRrJO/5dVXFdpEmCW/eISRAI=
 github.com/sagernet/fswatch v0.1.1 h1:YqID+93B7VRfqIH3PArW/XpJv5H4OLEVWDfProGoRQs=
 github.com/sagernet/fswatch v0.1.1/go.mod h1:nz85laH0mkQqJfaOrqPpkwtU1znMFNVTpT/5oRsVz/o=
 github.com/sagernet/gomobile v0.1.4 h1:WzX9ka+iHdupMgy2Vdich+OAt7TM8C2cZbIbzNjBrJY=
 github.com/sagernet/gomobile v0.1.4/go.mod h1:Pqq2+ZVvs10U7xK+UwJgwYWUykewi8H6vlslAO73n9E=
-github.com/sagernet/gvisor v0.0.0-20241123041152-536d05261cff h1:mlohw3360Wg1BNGook/UHnISXhUx4Gd/3tVLs5T0nSs=
-github.com/sagernet/gvisor v0.0.0-20241123041152-536d05261cff/go.mod h1:ehZwnT2UpmOWAHFL48XdBhnd4Qu4hN2O3Ji0us3ZHMw=
+github.com/sagernet/gvisor v0.0.0-20250217052116-ed66b6946f72 h1:Jgv6N59yiVMEwimTcFV1EVcu2Aa7R2Wh1ZAYNzWP2qA=
+github.com/sagernet/gvisor v0.0.0-20250217052116-ed66b6946f72/go.mod h1:ehZwnT2UpmOWAHFL48XdBhnd4Qu4hN2O3Ji0us3ZHMw=
 github.com/sagernet/netlink v0.0.0-20240612041022-b9a21c07ac6a h1:ObwtHN2VpqE0ZNjr6sGeT00J8uU7JF4cNUdb44/Duis=
 github.com/sagernet/netlink v0.0.0-20240612041022-b9a21c07ac6a/go.mod h1:xLnfdiJbSp8rNqYEdIW/6eDO4mVoogml14Bh2hSiFpM=
 github.com/sagernet/nftables v0.3.0-beta.4 h1:kbULlAwAC3jvdGAC1P5Fa3GSxVwQJibNenDW2zaXr8I=
@@ -184,8 +182,8 @@ github.com/sagernet/quic-go v0.49.0-beta.1/go.mod h1:uesWD1Ihrldq1M3XtjuEvIUqi8W
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 h1:5Th31OC6yj8byLGkEnIYp6grlXfo1QYUfiYFGjewIdc=
 github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691/go.mod h1:B8lp4WkQ1PwNnrVMM6KyuFR20pU8jYBD+A4EhJovEXU=
 github.com/sagernet/sing v0.2.18/go.mod h1:OL6k2F0vHmEzXz2KW19qQzu172FDgSbUSODylighuVo=
-github.com/sagernet/sing v0.6.2-0.20250210072154-8dff604468ff h1:5UGghwx8cI14qFa0ienrLekAYfhdKAiWvJUkY7rHmsI=
-github.com/sagernet/sing v0.6.2-0.20250210072154-8dff604468ff/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
+github.com/sagernet/sing v0.6.2-0.20250210105917-3464ed3babc0 h1:8gTBdpb2JeNq4oAb8AHCisUI+mZlrpD0qMRrsb9EnAo=
+github.com/sagernet/sing v0.6.2-0.20250210105917-3464ed3babc0/go.mod h1:ARkL0gM13/Iv5VCZmci/NuoOlePoIsW0m7BWfln/Hak=
 github.com/sagernet/sing-mux v0.3.1 h1:kvCc8HyGAskDHDQ0yQvoTi/7J4cZPB/VJMsAM3MmdQI=
 github.com/sagernet/sing-mux v0.3.1/go.mod h1:Mkdz8LnDstthz0HWuA/5foncnDIdcNN5KZ6AdJX+x78=
 github.com/sagernet/sing-quic v0.4.1-beta.1 h1:V2VfMckT3EQR3ZdfSzJgZZDsvfZZH42QAZpnOnHKa0s=
@@ -196,8 +194,8 @@ github.com/sagernet/sing-shadowsocks2 v0.2.0 h1:wpZNs6wKnR7mh1wV9OHwOyUr21VkS3wK
 github.com/sagernet/sing-shadowsocks2 v0.2.0/go.mod h1:RnXS0lExcDAovvDeniJ4IKa2IuChrdipolPYWBv9hWQ=
 github.com/sagernet/sing-shadowtls v0.2.0 h1:cLKe4OAOFwuhmAIuPLj//CIL7Q9js+pIDardhJ+/osk=
 github.com/sagernet/sing-shadowtls v0.2.0/go.mod h1:agU+Fw5X+xnWVyRHyFthoZCX3MfWKCFPm4JUf+1oaxo=
-github.com/sagernet/sing-tun v0.6.1 h1:4l0+gnEKcGjlWfUVTD+W0BRApqIny/lU2ZliurE+VMo=
-github.com/sagernet/sing-tun v0.6.1/go.mod h1:fisFCbC4Vfb6HqQNcwPJi2CDK2bf0Xapyz3j3t4cnHE=
+github.com/sagernet/sing-tun v0.6.2-0.20250217135654-784bb584392f h1:VEtmCNfk8RuZcYz/Xx63F2QjcgG3z/7Pa0uiJciQo+Y=
+github.com/sagernet/sing-tun v0.6.2-0.20250217135654-784bb584392f/go.mod h1:UiOi1ombGaAzWkGSgH4qcP7Zpq8FjWc1uQmleK8oPCE=
 github.com/sagernet/sing-vmess v0.2.0 h1:pCMGUXN2k7RpikQV65/rtXtDHzb190foTfF9IGTMZrI=
 github.com/sagernet/sing-vmess v0.2.0/go.mod h1:jDAZ0A0St1zVRkyvhAPRySOFfhC+4SQtO5VYyeFotgA=
 github.com/sagernet/smux v0.0.0-20231208180855-7041f6ea79e7 h1:DImB4lELfQhplLTxeq2z31Fpv8CQqqrUwTbrIRumZqQ=

include/registry.go

@@ -15,7 +15,6 @@ import (
 	"github.com/sagernet/sing-box/dns/transport/local"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing-box/protocol/anytls"
 	"github.com/sagernet/sing-box/protocol/block"
 	"github.com/sagernet/sing-box/protocol/direct"
 	protocolDNS "github.com/sagernet/sing-box/protocol/dns"
@@ -54,7 +53,6 @@ func InboundRegistry() *inbound.Registry {
 	naive.RegisterInbound(registry)
 	shadowtls.RegisterInbound(registry)
 	vless.RegisterInbound(registry)
-	anytls.RegisterInbound(registry)
 
 	registerQUICInbounds(registry)
 	registerStubForRemovedInbounds(registry)
@@ -82,7 +80,6 @@ func OutboundRegistry() *outbound.Registry {
 	ssh.RegisterOutbound(registry)
 	shadowtls.RegisterOutbound(registry)
 	vless.RegisterOutbound(registry)
-	anytls.RegisterOutbound(registry)
 
 	registerQUICOutbounds(registry)
 	registerWireGuardOutbound(registry)

mkdocs.yml

@@ -144,7 +144,6 @@ nav:
           - VLESS: configuration/inbound/vless.md
           - TUIC: configuration/inbound/tuic.md
           - Hysteria2: configuration/inbound/hysteria2.md
-          - AnyTLS: configuration/inbound/anytls.md
           - Tun: configuration/inbound/tun.md
           - Redirect: configuration/inbound/redirect.md
           - TProxy: configuration/inbound/tproxy.md
@@ -163,7 +162,6 @@ nav:
           - VLESS: configuration/outbound/vless.md
           - TUIC: configuration/outbound/tuic.md
           - Hysteria2: configuration/outbound/hysteria2.md
-          - AnyTLS: configuration/outbound/anytls.md
           - Tor: configuration/outbound/tor.md
           - SSH: configuration/outbound/ssh.md
           - DNS: configuration/outbound/dns.md

option/anytls.go

@@ -1,24 +0,0 @@
-package option
-
-import "github.com/sagernet/sing/common/json/badoption"
-
-type AnyTLSInboundOptions struct {
-	ListenOptions
-	InboundTLSOptionsContainer
-	Users         []AnyTLSUser               `json:"users,omitempty"`
-	PaddingScheme badoption.Listable[string] `json:"padding_scheme,omitempty"`
-}
-
-type AnyTLSUser struct {
-	Name     string `json:"name,omitempty"`
-	Password string `json:"password,omitempty"`
-}
-
-type AnyTLSOutboundOptions struct {
-	DialerOptions
-	ServerOptions
-	OutboundTLSOptionsContainer
-	Password                 string             `json:"password,omitempty"`
-	IdleSessionCheckInterval badoption.Duration `json:"idle_session_check_interval,omitempty"`
-	IdleSessionTimeout       badoption.Duration `json:"idle_session_timeout,omitempty"`
-}

option/dns_record.go

@@ -8,7 +8,6 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/json"
 	"github.com/sagernet/sing/common/json/badoption"
-	M "github.com/sagernet/sing/common/metadata"
 
 	"github.com/miekg/dns"
 )
@@ -95,11 +94,8 @@ func (o DNSResponseOptions) Build() ([]dns.Question, *dns.Msg, error) {
 	}
 	return questions, &dns.Msg{
 		MsgHdr: dns.MsgHdr{
-			Response:           true,
-			Rcode:              o.RCode.Build(),
-			Authoritative:      true,
-			RecursionDesired:   true,
-			RecursionAvailable: true,
+			Response: true,
+			Rcode:    o.RCode.Build(),
 		},
 		Answer: common.Map(o.Answer, DNSRecordOptions.build),
 		Ns:     common.Map(o.Ns, DNSRecordOptions.build),
@@ -139,9 +135,6 @@ func (o *DNSRecordOptions) UnmarshalJSON(data []byte) error {
 	if err != nil {
 		return err
 	}
-	if a, isA := record.(*dns.A); isA {
-		a.A = M.AddrFromIP(a.A).Unmap().AsSlice()
-	}
 	o.RR = record
 	return nil
 }

option/rule_action.go

@@ -256,14 +256,6 @@ type _RejectActionOptions struct {
 
 type RejectActionOptions _RejectActionOptions
 
-func (r RejectActionOptions) MarshalJSON() ([]byte, error) {
-	switch r.Method {
-	case C.RuleActionRejectMethodDefault:
-		r.Method = ""
-	}
-	return json.Marshal((_RejectActionOptions)(r))
-}
-
 func (r *RejectActionOptions) UnmarshalJSON(bytes []byte) error {
 	err := json.Unmarshal(bytes, (*_RejectActionOptions)(r))
 	if err != nil {
@@ -288,9 +280,6 @@ type RouteActionSniff struct {
 }
 
 type RouteActionResolve struct {
-	Server       string                `json:"server,omitempty"`
-	Strategy     DomainStrategy        `json:"strategy,omitempty"`
-	DisableCache bool                  `json:"disable_cache,omitempty"`
-	RewriteTTL   *uint32               `json:"rewrite_ttl,omitempty"`
-	ClientSubnet *badoption.Prefixable `json:"client_subnet,omitempty"`
+	Strategy DomainStrategy `json:"strategy,omitempty"`
+	Server   string         `json:"server,omitempty"`
 }

option/tls.go

@@ -83,25 +83,19 @@ type InboundRealityHandshakeOptions struct {
 }
 
 type InboundECHOptions struct {
-	Enabled bool                       `json:"enabled,omitempty"`
-	Key     badoption.Listable[string] `json:"key,omitempty"`
-	KeyPath string                     `json:"key_path,omitempty"`
-
-	// Deprecated: not supported by stdlib
-	PQSignatureSchemesEnabled bool `json:"pq_signature_schemes_enabled,omitempty"`
-	// Deprecated: added by fault
-	DynamicRecordSizingDisabled bool `json:"dynamic_record_sizing_disabled,omitempty"`
+	Enabled                     bool                       `json:"enabled,omitempty"`
+	PQSignatureSchemesEnabled   bool                       `json:"pq_signature_schemes_enabled,omitempty"`
+	DynamicRecordSizingDisabled bool                       `json:"dynamic_record_sizing_disabled,omitempty"`
+	Key                         badoption.Listable[string] `json:"key,omitempty"`
+	KeyPath                     string                     `json:"key_path,omitempty"`
 }
 
 type OutboundECHOptions struct {
-	Enabled    bool                       `json:"enabled,omitempty"`
-	Config     badoption.Listable[string] `json:"config,omitempty"`
-	ConfigPath string                     `json:"config_path,omitempty"`
-
-	// Deprecated: not supported by stdlib
-	PQSignatureSchemesEnabled bool `json:"pq_signature_schemes_enabled,omitempty"`
-	// Deprecated: added by fault
-	DynamicRecordSizingDisabled bool `json:"dynamic_record_sizing_disabled,omitempty"`
+	Enabled                     bool                       `json:"enabled,omitempty"`
+	PQSignatureSchemesEnabled   bool                       `json:"pq_signature_schemes_enabled,omitempty"`
+	DynamicRecordSizingDisabled bool                       `json:"dynamic_record_sizing_disabled,omitempty"`
+	Config                      badoption.Listable[string] `json:"config,omitempty"`
+	ConfigPath                  string                     `json:"config_path,omitempty"`
 }
 
 type OutboundUTLSOptions struct {

option/types.go

@@ -12,6 +12,11 @@ import (
 	mDNS "github.com/miekg/dns"
 )
 
+var (
+	DefaultNetworks   = []string{N.NetworkTCP, N.NetworkUDP}
+	DefaultIPNetworks = []string{N.NetworkTCP, N.NetworkUDP, N.NetworkICMPv4, N.NetworkICMPv6}
+)
+
 type NetworkList string
 
 func (v *NetworkList) UnmarshalJSON(content []byte) error {
@@ -37,9 +42,9 @@ func (v *NetworkList) UnmarshalJSON(content []byte) error {
 	return nil
 }
 
-func (v NetworkList) Build() []string {
+func (v NetworkList) Build(defaultNetworks []string) []string {
 	if v == "" {
-		return []string{N.NetworkTCP, N.NetworkUDP}
+		return defaultNetworks
 	}
 	return strings.Split(string(v), "\n")
 }

protocol/anytls/inbound.go

@@ -1,135 +0,0 @@
-package anytls
-
-import (
-	"context"
-	"net"
-	"strings"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/adapter/inbound"
-	"github.com/sagernet/sing-box/common/listener"
-	"github.com/sagernet/sing-box/common/tls"
-	"github.com/sagernet/sing-box/common/uot"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common"
-	"github.com/sagernet/sing/common/auth"
-	E "github.com/sagernet/sing/common/exceptions"
-	"github.com/sagernet/sing/common/logger"
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
-
-	anytls "github.com/anytls/sing-anytls"
-	"github.com/anytls/sing-anytls/padding"
-)
-
-func RegisterInbound(registry *inbound.Registry) {
-	inbound.Register[option.AnyTLSInboundOptions](registry, C.TypeAnyTLS, NewInbound)
-}
-
-type Inbound struct {
-	inbound.Adapter
-	tlsConfig tls.ServerConfig
-	router    adapter.ConnectionRouterEx
-	logger    logger.ContextLogger
-	listener  *listener.Listener
-	service   *anytls.Service
-}
-
-func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.AnyTLSInboundOptions) (adapter.Inbound, error) {
-	inbound := &Inbound{
-		Adapter: inbound.NewAdapter(C.TypeAnyTLS, tag),
-		router:  uot.NewRouter(router, logger),
-		logger:  logger,
-	}
-
-	if options.TLS != nil && options.TLS.Enabled {
-		tlsConfig, err := tls.NewServer(ctx, logger, common.PtrValueOrDefault(options.TLS))
-		if err != nil {
-			return nil, err
-		}
-		inbound.tlsConfig = tlsConfig
-	}
-
-	paddingScheme := padding.DefaultPaddingScheme
-	if len(options.PaddingScheme) > 0 {
-		paddingScheme = []byte(strings.Join(options.PaddingScheme, "\n"))
-	}
-
-	service, err := anytls.NewService(anytls.ServiceConfig{
-		Users: common.Map(options.Users, func(it option.AnyTLSUser) anytls.User {
-			return (anytls.User)(it)
-		}),
-		PaddingScheme: paddingScheme,
-		Handler:       (*inboundHandler)(inbound),
-		Logger:        logger,
-	})
-	if err != nil {
-		return nil, err
-	}
-	inbound.service = service
-	inbound.listener = listener.New(listener.Options{
-		Context:           ctx,
-		Logger:            logger,
-		Network:           []string{N.NetworkTCP},
-		Listen:            options.ListenOptions,
-		ConnectionHandler: inbound,
-	})
-	return inbound, nil
-}
-
-func (h *Inbound) Start(stage adapter.StartStage) error {
-	if stage != adapter.StartStateStart {
-		return nil
-	}
-	if h.tlsConfig != nil {
-		err := h.tlsConfig.Start()
-		if err != nil {
-			return err
-		}
-	}
-	return h.listener.Start()
-}
-
-func (h *Inbound) Close() error {
-	return common.Close(h.listener, h.tlsConfig)
-}
-
-func (h *Inbound) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
-	if h.tlsConfig != nil {
-		tlsConn, err := tls.ServerHandshake(ctx, conn, h.tlsConfig)
-		if err != nil {
-			N.CloseOnHandshakeFailure(conn, onClose, err)
-			h.logger.ErrorContext(ctx, E.Cause(err, "process connection from ", metadata.Source, ": TLS handshake"))
-			return
-		}
-		conn = tlsConn
-	}
-	err := h.service.NewConnection(adapter.WithContext(ctx, &metadata), conn, metadata.Source, onClose)
-	if err != nil {
-		N.CloseOnHandshakeFailure(conn, onClose, err)
-		h.logger.ErrorContext(ctx, E.Cause(err, "process connection from ", metadata.Source))
-	}
-}
-
-type inboundHandler Inbound
-
-func (h *inboundHandler) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {
-	var metadata adapter.InboundContext
-	metadata.Inbound = h.Tag()
-	metadata.InboundType = h.Type()
-	//nolint:staticcheck
-	metadata.InboundDetour = h.listener.ListenOptions().Detour
-	//nolint:staticcheck
-	metadata.InboundOptions = h.listener.ListenOptions().InboundOptions
-	metadata.Source = source
-	metadata.Destination = destination
-	if userName, _ := auth.UserFromContext[string](ctx); userName != "" {
-		metadata.User = userName
-		h.logger.InfoContext(ctx, "[", userName, "] inbound connection to ", metadata.Destination)
-	} else {
-		h.logger.InfoContext(ctx, "inbound connection to ", metadata.Destination)
-	}
-	h.router.RouteConnectionEx(ctx, conn, metadata, onClose)
-}

protocol/anytls/outbound.go

@@ -1,129 +0,0 @@
-package anytls
-
-import (
-	"context"
-	"net"
-	"os"
-
-	"github.com/sagernet/sing-box/adapter"
-	"github.com/sagernet/sing-box/adapter/outbound"
-	"github.com/sagernet/sing-box/common/dialer"
-	"github.com/sagernet/sing-box/common/tls"
-	C "github.com/sagernet/sing-box/constant"
-	"github.com/sagernet/sing-box/log"
-	"github.com/sagernet/sing-box/option"
-	"github.com/sagernet/sing/common"
-	M "github.com/sagernet/sing/common/metadata"
-	N "github.com/sagernet/sing/common/network"
-	"github.com/sagernet/sing/common/uot"
-
-	anytls "github.com/anytls/sing-anytls"
-)
-
-func RegisterOutbound(registry *outbound.Registry) {
-	outbound.Register[option.AnyTLSOutboundOptions](registry, C.TypeAnyTLS, NewOutbound)
-}
-
-type Outbound struct {
-	outbound.Adapter
-	dialer    N.Dialer
-	server    M.Socksaddr
-	tlsConfig tls.Config
-	client    *anytls.Client
-	uotClient *uot.Client
-	logger    log.ContextLogger
-}
-
-func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.AnyTLSOutboundOptions) (adapter.Outbound, error) {
-	outbound := &Outbound{
-		Adapter: outbound.NewAdapterWithDialerOptions(C.TypeAnyTLS, tag, []string{N.NetworkTCP, N.NetworkUDP}, options.DialerOptions),
-		server:  options.ServerOptions.Build(),
-		logger:  logger,
-	}
-	if options.TLS == nil || !options.TLS.Enabled {
-		return nil, C.ErrTLSRequired
-	}
-
-	tlsConfig, err := tls.NewClient(ctx, options.Server, common.PtrValueOrDefault(options.TLS))
-	if err != nil {
-		return nil, err
-	}
-	outbound.tlsConfig = tlsConfig
-
-	outboundDialer, err := dialer.NewWithOptions(dialer.Options{
-		Context: ctx,
-		Options: options.DialerOptions,
-	})
-	if err != nil {
-		return nil, err
-	}
-	outbound.dialer = outboundDialer
-
-	client, err := anytls.NewClient(ctx, anytls.ClientConfig{
-		Password:                 options.Password,
-		IdleSessionCheckInterval: options.IdleSessionCheckInterval.Build(),
-		IdleSessionTimeout:       options.IdleSessionTimeout.Build(),
-		DialOut:                  outbound.dialOut,
-		Logger:                   logger,
-	})
-	if err != nil {
-		return nil, err
-	}
-	outbound.client = client
-
-	outbound.uotClient = &uot.Client{
-		Dialer:  (anytlsDialer)(client.CreateProxy),
-		Version: uot.Version,
-	}
-	return outbound, nil
-}
-
-type anytlsDialer func(ctx context.Context, destination M.Socksaddr) (net.Conn, error)
-
-func (d anytlsDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	return d(ctx, destination)
-}
-
-func (d anytlsDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	return nil, os.ErrInvalid
-}
-
-func (h *Outbound) dialOut(ctx context.Context) (net.Conn, error) {
-	conn, err := h.dialer.DialContext(ctx, N.NetworkTCP, h.server)
-	if err != nil {
-		return nil, err
-	}
-	tlsConn, err := tls.ClientHandshake(ctx, conn, h.tlsConfig)
-	if err != nil {
-		common.Close(tlsConn, conn)
-		return nil, err
-	}
-	return tlsConn, nil
-}
-
-func (h *Outbound) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
-	ctx, metadata := adapter.ExtendContext(ctx)
-	metadata.Outbound = h.Tag()
-	metadata.Destination = destination
-	switch N.NetworkName(network) {
-	case N.NetworkTCP:
-		h.logger.InfoContext(ctx, "outbound connection to ", destination)
-		return h.client.CreateProxy(ctx, destination)
-	case N.NetworkUDP:
-		h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
-		return h.uotClient.DialContext(ctx, network, destination)
-	}
-	return nil, os.ErrInvalid
-}
-
-func (h *Outbound) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
-	ctx, metadata := adapter.ExtendContext(ctx)
-	metadata.Outbound = h.Tag()
-	metadata.Destination = destination
-	h.logger.InfoContext(ctx, "outbound UoT packet connection to ", destination)
-	return h.uotClient.ListenPacket(ctx, destination)
-}
-
-func (h *Outbound) Close() error {
-	return common.Close(h.client)
-}

protocol/direct/inbound.go

@@ -60,7 +60,7 @@ func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLo
 	inbound.listener = listener.New(listener.Options{
 		Context:           ctx,
 		Logger:            logger,
-		Network:           options.Network.Build(),
+		Network:           options.Network.Build(option.DefaultIPNetworks),
 		Listen:            options.ListenOptions,
 		ConnectionHandler: inbound,
 		PacketHandler:     inbound,

protocol/direct/outbound.go

@@ -2,6 +2,7 @@ package direct
 
 import (
 	"context"
+	"github.com/sagernet/sing-tun"
 	"net"
 	"net/netip"
 	"time"
@@ -27,6 +28,7 @@ func RegisterOutbound(registry *outbound.Registry) {
 var (
 	_ N.ParallelDialer             = (*Outbound)(nil)
 	_ dialer.ParallelNetworkDialer = (*Outbound)(nil)
+	_ adapter.DirectRouteOutbound  = (*Outbound)(nil)
 )
 
 type Outbound struct {
@@ -50,7 +52,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 		return nil, err
 	}
 	outbound := &Outbound{
-		Adapter: outbound.NewAdapterWithDialerOptions(C.TypeDirect, tag, []string{N.NetworkTCP, N.NetworkUDP}, options.DialerOptions),
+		Adapter: outbound.NewAdapterWithDialerOptions(C.TypeDirect, tag, option.DefaultIPNetworks, options.DialerOptions),
 		logger:  logger,
 		//nolint:staticcheck
 		domainStrategy: C.DomainStrategy(options.DomainStrategy),
@@ -242,6 +244,10 @@ func (h *Outbound) ListenSerialNetworkPacket(ctx context.Context, destination M.
 	return conn, newDestination, nil
 }
 
+func (h *Outbound) NewDirectRouteConnection(metadata adapter.InboundContext, routeContext tun.DirectRouteContext) (tun.DirectRouteDestination, error) {
+	
+}
+
 /*func (h *Outbound) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
 	if h.loopBack.CheckConn(metadata.Source.AddrPort(), M.AddrPortFromNet(conn.LocalAddr())) {
 		return E.New("reject loopback connection to ", metadata.Destination)

protocol/dns/handle.go

@@ -26,7 +26,7 @@ func HandleStreamDNSRequest(ctx context.Context, router adapter.DNSRouter, conn
 		return err
 	}
 	if queryLength == 0 {
-		return dns.RcodeFormatError
+		return dns.RCodeFormatError
 	}
 	buffer := buf.NewSize(int(queryLength))
 	defer buffer.Release()

protocol/hysteria/outbound.go

@@ -52,7 +52,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 	if err != nil {
 		return nil, err
 	}
-	networkList := options.Network.Build()
+	networkList := options.Network.Build(option.DefaultIPNetworks)
 	var password string
 	if options.AuthString != "" {
 		password = options.AuthString

protocol/hysteria2/outbound.go

@@ -64,7 +64,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 	if err != nil {
 		return nil, err
 	}
-	networkList := options.Network.Build()
+	networkList := options.Network.Build(option.DefaultIPNetworks)
 	client, err := hysteria2.NewClient(hysteria2.ClientOptions{
 		Context:            ctx,
 		Dialer:             outboundDialer,

protocol/naive/inbound.go

@@ -57,7 +57,7 @@ func NewInbound(ctx context.Context, router adapter.Router, logger log.ContextLo
 			Listen:  options.ListenOptions,
 		}),
 		networkIsDefault: options.Network == "",
-		network:          options.Network.Build(),
+		network:          options.Network.Build(option.DefaultIPNetworks),
 		authenticator:    auth.NewAuthenticator(options.Users),
 	}
 	if common.Contains(inbound.network, N.NetworkUDP) {

protocol/redirect/tproxy.go

@@ -53,7 +53,7 @@ func NewTProxy(ctx context.Context, router adapter.Router, logger log.ContextLog
 	tproxy.listener = listener.New(listener.Options{
 		Context:           ctx,
 		Logger:            logger,
-		Network:           options.Network.Build(),
+		Network:           options.Network.Build(option.DefaultIPNetworks),
 		Listen:            options.ListenOptions,
 		ConnectionHandler: tproxy,
 		OOBPacketHandler:  tproxy,

protocol/shadowsocks/inbound.go

@@ -84,7 +84,7 @@ func newInbound(ctx context.Context, router adapter.Router, logger log.ContextLo
 	inbound.listener = listener.New(listener.Options{
 		Context:                  ctx,
 		Logger:                   logger,
-		Network:                  options.Network.Build(),
+		Network:                  options.Network.Build(option.DefaultIPNetworks),
 		Listen:                   options.ListenOptions,
 		ConnectionHandler:        inbound,
 		PacketHandler:            inbound,

protocol/shadowsocks/inbound_multi.go

@@ -92,7 +92,7 @@ func newMultiInbound(ctx context.Context, router adapter.Router, logger log.Cont
 	inbound.listener = listener.New(listener.Options{
 		Context:                  ctx,
 		Logger:                   logger,
-		Network:                  options.Network.Build(),
+		Network:                  options.Network.Build(option.DefaultIPNetworks),
 		Listen:                   options.ListenOptions,
 		ConnectionHandler:        inbound,
 		PacketHandler:            inbound,

protocol/shadowsocks/inbound_relay.go

@@ -77,7 +77,7 @@ func newRelayInbound(ctx context.Context, router adapter.Router, logger log.Cont
 	inbound.listener = listener.New(listener.Options{
 		Context:                  ctx,
 		Logger:                   logger,
-		Network:                  options.Network.Build(),
+		Network:                  options.Network.Build(option.DefaultIPNetworks),
 		Listen:                   options.ListenOptions,
 		ConnectionHandler:        inbound,
 		PacketHandler:            inbound,

protocol/shadowsocks/outbound.go

@@ -49,7 +49,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 		return nil, err
 	}
 	outbound := &Outbound{
-		Adapter:    outbound.NewAdapterWithDialerOptions(C.TypeShadowsocks, tag, options.Network.Build(), options.DialerOptions),
+		Adapter:    outbound.NewAdapterWithDialerOptions(C.TypeShadowsocks, tag, options.Network.Build(option.DefaultIPNetworks), options.DialerOptions),
 		logger:     logger,
 		dialer:     outboundDialer,
 		method:     method,

protocol/socks/outbound.go

@@ -51,7 +51,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 		return nil, err
 	}
 	outbound := &Outbound{
-		Adapter:   outbound.NewAdapterWithDialerOptions(C.TypeSOCKS, tag, options.Network.Build(), options.DialerOptions),
+		Adapter:   outbound.NewAdapterWithDialerOptions(C.TypeSOCKS, tag, options.Network.Build(option.DefaultIPNetworks), options.DialerOptions),
 		dnsRouter: service.FromContext[adapter.DNSRouter](ctx),
 		logger:    logger,
 		client:    socks.NewClient(outboundDialer, options.ServerOptions.Build(), version, options.Username, options.Password),

protocol/tailscale/dns_transport.go

@@ -287,7 +287,7 @@ func (t *DNSTransport) Exchange(ctx context.Context, message *mDNS.Msg) (*mDNS.M
 			return nil, E.New("missing default resolvers")
 		}
 	}
-	return nil, dns.RcodeNameError
+	return nil, dns.RCodeNameError
 }
 
 type DNSDialer struct {

protocol/tailscale/endpoint.go

@@ -18,6 +18,7 @@ import (
 	"github.com/sagernet/gvisor/pkg/tcpip/adapters/gonet"
 	"github.com/sagernet/gvisor/pkg/tcpip/header"
 	"github.com/sagernet/gvisor/pkg/tcpip/stack"
+	"github.com/sagernet/gvisor/pkg/tcpip/transport/icmp"
 	"github.com/sagernet/gvisor/pkg/tcpip/transport/tcp"
 	"github.com/sagernet/gvisor/pkg/tcpip/transport/udp"
 	"github.com/sagernet/sing-box/adapter"
@@ -205,8 +206,10 @@ func (t *Endpoint) Start(stage adapter.StartStage) error {
 
 	ipStack := t.server.ExportNetstack().ExportIPStack()
 	ipStack.SetTransportProtocolHandler(tcp.ProtocolNumber, tun.NewTCPForwarder(t.ctx, ipStack, t).HandlePacket)
-	udpForwarder := tun.NewUDPForwarder(t.ctx, ipStack, t, t.udpTimeout)
-	ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, udpForwarder.HandlePacket)
+	ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, tun.NewUDPForwarder(t.ctx, ipStack, t, t.udpTimeout).HandlePacket)
+	icmpForwarder := tun.NewICMPForwarder(t.ctx, ipStack, t, t.udpTimeout)
+	ipStack.SetTransportProtocolHandler(icmp.ProtocolNumber4, icmpForwarder.HandlePacket)
+	ipStack.SetTransportProtocolHandler(icmp.ProtocolNumber6, icmpForwarder.HandlePacket)
 	t.stack = ipStack
 
 	localBackend := t.server.ExportLocalBackend()
@@ -377,7 +380,7 @@ func (t *Endpoint) ListenPacket(ctx context.Context, destination M.Socksaddr) (n
 	return udpConn, nil
 }
 
-func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr) error {
+func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destination M.Socksaddr, routeContext tun.DirectRouteContext) (tun.DirectRouteDestination, error) {
 	tsFilter := t.filter.Load()
 	if tsFilter != nil {
 		var ipProto ipproto.Proto
@@ -390,9 +393,9 @@ func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destina
 		response := tsFilter.Check(source.Addr, destination.Addr, destination.Port, ipProto)
 		switch response {
 		case filter.Drop:
-			return syscall.ECONNRESET
+			return nil, syscall.ECONNREFUSED
 		case filter.DropSilently:
-			return tun.ErrDrop
+			return nil, tun.ErrDrop
 		}
 	}
 	return t.router.PreMatch(adapter.InboundContext{
@@ -401,7 +404,7 @@ func (t *Endpoint) PrepareConnection(network string, source M.Socksaddr, destina
 		Network:     network,
 		Source:      source,
 		Destination: destination,
-	})
+	}, routeContext)
 }
 
 func (t *Endpoint) NewConnectionEx(ctx context.Context, conn net.Conn, source M.Socksaddr, destination M.Socksaddr, onClose N.CloseHandlerFunc) {

protocol/trojan/outbound.go

@@ -43,7 +43,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 		return nil, err
 	}
 	outbound := &Outbound{
-		Adapter:    outbound.NewAdapterWithDialerOptions(C.TypeTrojan, tag, options.Network.Build(), options.DialerOptions),
+		Adapter:    outbound.NewAdapterWithDialerOptions(C.TypeTrojan, tag, options.Network.Build(option.DefaultIPNetworks), options.DialerOptions),
 		logger:     logger,
 		dialer:     outboundDialer,
 		serverAddr: options.ServerOptions.Build(),

protocol/tuic/outbound.go

@@ -80,7 +80,7 @@ func NewOutbound(ctx context.Context, router adapter.Router, logger log.ContextL
 		return nil, err
 	}
 	return &Outbound{
-		Adapter:   outbound.NewAdapterWithDialerOptions(C.TypeTUIC, tag, options.Network.Build(), options.DialerOptions),
+		Adapter:   outbound.NewAdapterWithDialerOptions(C.TypeTUIC, tag, options.Network.Build(option.DefaultIPNetworks), options.DialerOptions),
 		logger:    logger,
 		client:    client,
 		udpStream: options.UDPOverStream,