diff --git a/infra/conf/transport_internet.go b/infra/conf/transport_internet.go
index 9ab34cf595c3..769a09ddcd64 100644
--- a/infra/conf/transport_internet.go
+++ b/infra/conf/transport_internet.go
@@ -649,6 +649,8 @@ type SocketConfig struct {
 	V6only               bool        `json:"v6only"`
 	Interface            string      `json:"interface"`
 	TcpMptcp             bool        `json:"tcpMptcp"`
+	BrutalRate           uint64      `json:"brutalRate"`
+	BrutalGain           uint32      `json:"brutalGain"`
 }
 
 // Build implements Buildable.
@@ -723,6 +725,8 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		V6Only:               c.V6only,
 		Interface:            c.Interface,
 		TcpMptcp:             c.TcpMptcp,
+		BrutalRate:           c.BrutalRate,
+		BrutalGain:           c.BrutalGain,
 	}, nil
 }
 
diff --git a/transport/internet/config.pb.go b/transport/internet/config.pb.go
index 3c8e36f5cf43..bc0a2fca596b 100644
--- a/transport/internet/config.pb.go
+++ b/transport/internet/config.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.32.0
-// 	protoc        v4.23.1
+// 	protoc-gen-go v1.33.0
+// 	protoc        v4.25.3
 // source: transport/internet/config.proto
 
 package internet
@@ -453,6 +453,8 @@ type SocketConfig struct {
 	TcpMaxSeg                  int32          `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
 	TcpNoDelay                 bool           `protobuf:"varint,18,opt,name=tcp_no_delay,json=tcpNoDelay,proto3" json:"tcp_no_delay,omitempty"`
 	TcpMptcp                   bool           `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
+	BrutalRate                 uint64         `protobuf:"varint,20,opt,name=brutal_rate,json=brutalRate,proto3" json:"brutal_rate,omitempty"`
+	BrutalGain                 uint32         `protobuf:"varint,21,opt,name=brutal_gain,json=brutalGain,proto3" json:"brutal_gain,omitempty"`
 }
 
 func (x *SocketConfig) Reset() {
@@ -620,6 +622,20 @@ func (x *SocketConfig) GetTcpMptcp() bool {
 	return false
 }
 
+func (x *SocketConfig) GetBrutalRate() uint64 {
+	if x != nil {
+		return x.BrutalRate
+	}
+	return 0
+}
+
+func (x *SocketConfig) GetBrutalGain() uint32 {
+	if x != nil {
+		return x.BrutalGain
+	}
+	return 0
+}
+
 var File_transport_internet_config_proto protoreflect.FileDescriptor
 
 var file_transport_internet_config_proto_rawDesc = []byte{
@@ -672,7 +688,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x12, 0x30, 0x0a, 0x13, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x4c, 0x61, 0x79,
 	0x65, 0x72, 0x50, 0x72, 0x6f, 0x78, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x13, 0x74,
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-	0x78, 0x79, 0x22, 0xd1, 0x06, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e,
+	0x78, 0x79, 0x22, 0x93, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e,
 	0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28,
 	0x05, 0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02,
 	0x20, 0x01, 0x28, 0x05, 0x52, 0x03, 0x74, 0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72,
@@ -722,33 +738,38 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x5f, 0x64, 0x65, 0x6c, 0x61, 0x79, 0x18, 0x12, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x74, 0x63,
 	0x70, 0x4e, 0x6f, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x12, 0x1b, 0x0a, 0x09, 0x74, 0x63, 0x70, 0x5f,
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-	0x6f, 0x64, 0x65, 0x12, 0x07, 0x0a, 0x03, 0x4f, 0x66, 0x66, 0x10, 0x00, 0x12, 0x0a, 0x0a, 0x06,
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+	0x12, 0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09,
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+	0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61,
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+	0x02, 0x17, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74,
+	0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (
diff --git a/transport/internet/config.proto b/transport/internet/config.proto
index f596d19f7e42..945fc73ec0d8 100644
--- a/transport/internet/config.proto
+++ b/transport/internet/config.proto
@@ -119,4 +119,8 @@ message SocketConfig {
   bool tcp_no_delay = 18;
 
   bool tcp_mptcp = 19;
+
+  uint64 brutal_rate = 20;
+
+  uint32 brutal_gain = 21;
 }
diff --git a/transport/internet/grpc/hub.go b/transport/internet/grpc/hub.go
index e55f6f77c2e6..fb48c5216946 100644
--- a/transport/internet/grpc/hub.go
+++ b/transport/internet/grpc/hub.go
@@ -3,6 +3,7 @@ package grpc
 import (
 	"context"
 	"time"
+	_ "unsafe"
 
 	goreality "github.com/xtls/reality"
 	"github.com/xtls/xray-core/common"
@@ -17,17 +18,25 @@ import (
 	"google.golang.org/grpc/keepalive"
 )
 
+//go:linkname GetConnection google.golang.org/grpc/internal/transport.GetConnection
+func GetConnection(ctx context.Context) net.Conn
+
 type Listener struct {
 	encoding.UnimplementedGRPCServiceServer
 	ctx     context.Context
 	handler internet.ConnHandler
 	local   net.Addr
 	config  *Config
+	stream  *internet.MemoryStreamConfig
 
 	s *grpc.Server
 }
 
 func (l Listener) Tun(server encoding.GRPCService_TunServer) error {
+	if l.stream != nil {
+		conn := GetConnection(server.Context())
+		l.stream.ApplyBrutalSettings(conn)
+	}
 	tunCtx, cancel := context.WithCancel(l.ctx)
 	l.handler(encoding.NewHunkConn(server, cancel))
 	<-tunCtx.Done()
@@ -35,6 +44,10 @@ func (l Listener) Tun(server encoding.GRPCService_TunServer) error {
 }
 
 func (l Listener) TunMulti(server encoding.GRPCService_TunMultiServer) error {
+	if l.stream != nil {
+		conn := GetConnection(server.Context())
+		l.stream.ApplyBrutalSettings(conn)
+	}
 	tunCtx, cancel := context.WithCancel(l.ctx)
 	l.handler(encoding.NewMultiHunkConn(server, cancel))
 	<-tunCtx.Done()
@@ -55,6 +68,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, settings *i
 	var listener *Listener
 	if port == net.Port(0) { // unix
 		listener = &Listener{
+			stream:  settings,
 			handler: handler,
 			local: &net.UnixAddr{
 				Name: address.Domain(),
@@ -64,6 +78,7 @@ func Listen(ctx context.Context, address net.Address, port net.Port, settings *i
 		}
 	} else { // tcp
 		listener = &Listener{
+			stream:  settings,
 			handler: handler,
 			local: &net.TCPAddr{
 				IP:   address.IP(),
diff --git a/transport/internet/memory_settings.go b/transport/internet/memory_settings.go
index 3c4770d2f373..0e1c34d50bb2 100644
--- a/transport/internet/memory_settings.go
+++ b/transport/internet/memory_settings.go
@@ -1,5 +1,11 @@
 package internet
 
+import (
+	"syscall"
+	sing_common "github.com/sagernet/sing/common"
+	"github.com/xtls/xray-core/common/net"
+)
+
 // MemoryStreamConfig is a parsed form of StreamConfig. This is used to reduce number of Protobuf parsing.
 type MemoryStreamConfig struct {
 	ProtocolName     string
@@ -9,6 +15,28 @@ type MemoryStreamConfig struct {
 	SocketSettings   *SocketConfig
 }
 
+func (m *MemoryStreamConfig) ApplyBrutalSettings(conn net.Conn) {
+	if m.SocketSettings != nil && m.SocketSettings.TcpCongestion == "brutal" {
+		sc, loaded := sing_common.Cast[syscall.Conn](conn)
+		if loaded {
+			if rawConn, e0 := sc.SyscallConn(); e0 != nil {
+				newError("sc.SyscallConn failed ", e0).AtError().WriteToLog()
+			} else {
+				if e1 := rawConn.Control(func(fd uintptr) {
+					if e2 := ApplyBrutalParams(int(fd), m.SocketSettings); e2 != nil {
+						newError("internet.ApplyBrutalParams failed ", e2).AtError().WriteToLog()
+					}
+				}); e1 != nil {
+					newError("rawConn.Control failed ", e1).AtError().WriteToLog()
+				}
+			}
+		} else {
+			newError("cast conn to syscall.Conn failed").AtWarning().WriteToLog()
+		}
+		newError("Brutal Rate: ", m.SocketSettings.BrutalRate, ", Gain: ", m.SocketSettings.BrutalGain).WriteToLog()
+	}
+}
+
 // ToMemoryStreamConfig converts a StreamConfig to MemoryStreamConfig. It returns a default non-nil MemoryStreamConfig for nil input.
 func ToMemoryStreamConfig(s *StreamConfig) (*MemoryStreamConfig, error) {
 	ets, err := s.GetEffectiveTransportSettings()
diff --git a/transport/internet/sockopt_linux.go b/transport/internet/sockopt_linux.go
index 56f24be8bad8..23ba90b47c92 100644
--- a/transport/internet/sockopt_linux.go
+++ b/transport/internet/sockopt_linux.go
@@ -3,10 +3,19 @@ package internet
 import (
 	"net"
 	"syscall"
+	"unsafe"
 
 	"golang.org/x/sys/unix"
 )
 
+type TCPBrutalParams struct {
+	Rate uint64
+	Gain uint32
+}
+
+//go:linkname setsockopt syscall.setsockopt
+func setsockopt(s, level, name int, val unsafe.Pointer, vallen uintptr) (err error)
+
 func bindAddr(fd uintptr, ip []byte, port uint32) error {
 	setReuseAddr(fd)
 	setReusePort(fd)
@@ -200,6 +209,18 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 	return nil
 }
 
+func ApplyBrutalParams(fd int, config *SocketConfig) error {
+	var params TCPBrutalParams
+
+	params.Rate = config.BrutalRate
+	params.Gain = config.BrutalGain
+
+	if err := setsockopt(fd, unix.IPPROTO_TCP, 23301, unsafe.Pointer(&params), unsafe.Sizeof(params)); err != nil {
+		return err
+	}
+	return nil
+}
+
 func setReuseAddr(fd uintptr) error {
 	if err := syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1); err != nil {
 		return newError("failed to set SO_REUSEADDR").Base(err).AtWarning()
diff --git a/transport/internet/tcp/hub.go b/transport/internet/tcp/hub.go
index d4b4f8b5ef04..3ebb0ea7d46e 100644
--- a/transport/internet/tcp/hub.go
+++ b/transport/internet/tcp/hub.go
@@ -24,12 +24,14 @@ type Listener struct {
 	authConfig    internet.ConnectionAuthenticator
 	config        *Config
 	addConn       internet.ConnHandler
+	stream        *internet.MemoryStreamConfig
 }
 
 // ListenTCP creates a new Listener based on configurations.
 func ListenTCP(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, handler internet.ConnHandler) (internet.Listener, error) {
 	l := &Listener{
 		addConn: handler,
+		stream:  streamSettings,
 	}
 	tcpSettings := streamSettings.ProtocolSettings.(*Config)
 	l.config = tcpSettings
@@ -104,6 +106,11 @@ func (v *Listener) keepAccepting() {
 			}
 			continue
 		}
+
+		if v.stream != nil {
+			v.stream.ApplyBrutalSettings(conn)
+		}
+
 		go func() {
 			if v.tlsConfig != nil {
 				conn = tls.Server(conn, v.tlsConfig)