diff --git a/app/proxyman/outbound/handler.go b/app/proxyman/outbound/handler.go
index 3819f52b400c..ab44a1d56f55 100644
--- a/app/proxyman/outbound/handler.go
+++ b/app/proxyman/outbound/handler.go
@@ -325,6 +325,7 @@ func (h *Handler) Start() error {
 // Close implements common.Closable.
 func (h *Handler) Close() error {
 	common.Close(h.mux)
+	common.Close(h.proxy)
 	return nil
 }
 
diff --git a/core/core.go b/core/core.go
index 345f9dafd822..4e51211850da 100644
--- a/core/core.go
+++ b/core/core.go
@@ -19,7 +19,7 @@ import (
 var (
 	Version_x byte = 25
 	Version_y byte = 3
-	Version_z byte = 6
+	Version_z byte = 31
 )
 
 var (
diff --git a/go.mod b/go.mod
index c7047ed011b1..b8dadd1a55e3 100644
--- a/go.mod
+++ b/go.mod
@@ -4,12 +4,12 @@ go 1.24
 
 require (
 	github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0
-	github.com/cloudflare/circl v1.6.0
+	github.com/cloudflare/circl v1.6.1
 	github.com/ghodss/yaml v1.0.1-0.20220118164431-d8423dcdf344
 	github.com/golang/mock v1.7.0-rc.1
 	github.com/google/go-cmp v0.7.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/miekg/dns v1.1.64
+	github.com/miekg/dns v1.1.65
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.8.0
 	github.com/quic-go/quic-go v0.50.1
@@ -22,12 +22,12 @@ require (
 	github.com/vishvananda/netlink v1.3.0
 	github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.36.0
-	golang.org/x/net v0.38.0
-	golang.org/x/sync v0.12.0
-	golang.org/x/sys v0.31.0
+	golang.org/x/crypto v0.37.0
+	golang.org/x/net v0.39.0
+	golang.org/x/sync v0.13.0
+	golang.org/x/sys v0.32.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
-	google.golang.org/grpc v1.71.0
+	google.golang.org/grpc v1.71.1
 	google.golang.org/protobuf v1.36.6
 	gvisor.dev/gvisor v0.0.0-20240320123526-dc6abceb7ff0
 	h12.io/socks v1.0.3
@@ -51,7 +51,7 @@ require (
 	go.uber.org/mock v0.5.0 // indirect
 	golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc // indirect
 	golang.org/x/mod v0.23.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
 	golang.org/x/time v0.7.0 // indirect
 	golang.org/x/tools v0.30.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
diff --git a/go.sum b/go.sum
index d4df89322d11..76ec3c42205e 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0 h1:Wo41lDOevRJS
 github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0/go.mod h1:FVGavL/QEBQDcBpr3fAojoK17xX5k9bicBphrOpP7uM=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
-github.com/cloudflare/circl v1.6.0 h1:cr5JKic4HI+LkINy2lg3W2jF8sHCVTBncJr5gIIq7qk=
-github.com/cloudflare/circl v1.6.0/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
+github.com/cloudflare/circl v1.6.1 h1:zqIqSPIndyBh1bjLVVDHMPpVKqp8Su/V+6MeDzzQBQ0=
+github.com/cloudflare/circl v1.6.1/go.mod h1:uddAzsPgqdMAYatqJ0lsjX1oECcQLIlRpzZh3pJrofs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -38,8 +38,8 @@ github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0N
 github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
 github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
-github.com/miekg/dns v1.1.64 h1:wuZgD9wwCE6XMT05UU/mlSko71eRSXEAm2EbjQXLKnQ=
-github.com/miekg/dns v1.1.64/go.mod h1:Dzw9769uoKVaLuODMDZz9M6ynFU6Em65csPuoi8G0ck=
+github.com/miekg/dns v1.1.65 h1:0+tIPHzUW0GCge7IiK3guGP57VAw7hoPDfApjkMD1Fc=
+github.com/miekg/dns v1.1.65/go.mod h1:Dzw9769uoKVaLuODMDZz9M6ynFU6Em65csPuoi8G0ck=
 github.com/onsi/ginkgo/v2 v2.19.0 h1:9Cnnf7UHo57Hy3k6/m5k3dRfGTMXGvxhHFvkDTCTpvA=
 github.com/onsi/ginkgo/v2 v2.19.0/go.mod h1:rlwLi9PilAFJ8jCg9UE1QP6VBpd6/xj3SRC0d6TU0To=
 github.com/onsi/gomega v1.33.1 h1:dsYjIxxSR755MDmKVsaFQTE22ChNBcuuTWgkUDSubOk=
@@ -97,8 +97,8 @@ go4.org/netipx v0.0.0-20231129151722-fdeea329fbba h1:0b9z3AuHCjxk0x/opv64kcgZLBs
 go4.org/netipx v0.0.0-20231129151722-fdeea329fbba/go.mod h1:PLyyIXexvUFg3Owu6p/WfdlivPbZJsZdgWZlrGope/Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
-golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
+golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
 golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc h1:O9NuF4s+E/PvMIy+9IUZB9znFwUIXEWSstNjek6VpVg=
 golang.org/x/exp v0.0.0-20240531132922-fd00a4e0eefc/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc=
 golang.org/x/mod v0.5.1/go.mod h1:5OXOZSfqPIIbmVBIIKWRFfZjPR0E5r58TLhUjH0a2Ro=
@@ -107,12 +107,12 @@ golang.org/x/mod v0.23.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
-golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
+golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
+golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
-golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
+golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -121,14 +121,14 @@ golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
+golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
+golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
+golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
 golang.org/x/time v0.7.0 h1:ntUhktv3OPE6TgYxXWv9vKvUSJyIFJlyohwbkEwPrKQ=
 golang.org/x/time v0.7.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -145,8 +145,8 @@ golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 h1:/jFs0duh4rdb8uI
 golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173/go.mod h1:tkCQ4FQXmpAgYVh++1cq16/dH4QJtmvpRv19DWGAHSA=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f h1:OxYkA3wjPsZyBylwymxSHa7ViiW1Sml4ToBrncvFehI=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f/go.mod h1:+2Yz8+CLJbIfL9z73EW45avw8Lmge3xVElCP9zEKi50=
-google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
-google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
+google.golang.org/grpc v1.71.1 h1:ffsFWr7ygTUscGPI0KKK6TLrGz0476KUvvsbqWK0rPI=
+google.golang.org/grpc v1.71.1/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
 google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
 google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
diff --git a/infra/conf/cfgcommon/duration/duration.go b/infra/conf/cfgcommon/duration/duration.go
index aed8e613e153..f1bbd4d73d97 100644
--- a/infra/conf/cfgcommon/duration/duration.go
+++ b/infra/conf/cfgcommon/duration/duration.go
@@ -8,11 +8,13 @@ import (
 
 type Duration int64
 
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
 func (d *Duration) MarshalJSON() ([]byte, error) {
 	dr := time.Duration(*d)
 	return json.Marshal(dr.String())
 }
 
+// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (d *Duration) UnmarshalJSON(b []byte) error {
 	var v interface{}
 	if err := json.Unmarshal(b, &v); err != nil {
diff --git a/infra/conf/common.go b/infra/conf/common.go
index fa48edea283b..ab3cfba79ac4 100644
--- a/infra/conf/common.go
+++ b/infra/conf/common.go
@@ -23,6 +23,7 @@ func (v StringList) Len() int {
 	return len(v)
 }
 
+// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (v *StringList) UnmarshalJSON(data []byte) error {
 	var strarray []string
 	if err := json.Unmarshal(data, &strarray); err == nil {
@@ -43,10 +44,12 @@ type Address struct {
 	net.Address
 }
 
-func (v Address) MarshalJSON() ([]byte, error) {
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (v *Address) MarshalJSON() ([]byte, error) {
 	return json.Marshal(v.Address.String())
 }
 
+// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (v *Address) UnmarshalJSON(data []byte) error {
 	var rawStr string
 	if err := json.Unmarshal(data, &rawStr); err != nil {
@@ -81,6 +84,7 @@ func (v Network) Build() net.Network {
 
 type NetworkList []Network
 
+// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (v *NetworkList) UnmarshalJSON(data []byte) error {
 	var strarray []Network
 	if err := json.Unmarshal(data, &strarray); err == nil {
@@ -169,6 +173,19 @@ func (v *PortRange) Build() *net.PortRange {
 	}
 }
 
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (v *PortRange) MarshalJSON() ([]byte, error) {
+	return json.Marshal(v.String())
+}
+
+func (port *PortRange) String() string {
+	if port.From == port.To {
+		return strconv.Itoa(int(port.From))
+	} else {
+		return fmt.Sprintf("%d-%d", port.From, port.To)
+	}
+}
+
 // UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (v *PortRange) UnmarshalJSON(data []byte) error {
 	port, err := parseIntPort(data)
@@ -203,20 +220,21 @@ func (list *PortList) Build() *net.PortList {
 	return portList
 }
 
-func (v PortList) MarshalJSON() ([]byte, error) {
-	return json.Marshal(v.String())
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (v *PortList) MarshalJSON() ([]byte, error) {
+	portStr := v.String()
+	port, err := strconv.Atoi(portStr)
+	if err == nil {
+		return json.Marshal(port)
+	} else {
+		return json.Marshal(portStr)
+	}
 }
 
 func (v PortList) String() string {
 	ports := []string{}
 	for _, port := range v.Range {
-		if port.From == port.To {
-			p := strconv.Itoa(int(port.From))
-			ports = append(ports, p)
-		} else {
-			p := fmt.Sprintf("%d-%d", port.From, port.To)
-			ports = append(ports, p)
-		}
+		ports = append(ports, port.String())
 	}
 	return strings.Join(ports, ",")
 }
@@ -277,7 +295,8 @@ type Int32Range struct {
 	To    int32
 }
 
-func (v Int32Range) MarshalJSON() ([]byte, error) {
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (v *Int32Range) MarshalJSON() ([]byte, error) {
 	return json.Marshal(v.String())
 }
 
@@ -289,6 +308,7 @@ func (v Int32Range) String() string {
 	}
 }
 
+// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (v *Int32Range) UnmarshalJSON(data []byte) error {
 	defer v.ensureOrder()
 	var str string
diff --git a/infra/conf/dns.go b/infra/conf/dns.go
index 607cbf07a4c6..7baeda873e39 100644
--- a/infra/conf/dns.go
+++ b/infra/conf/dns.go
@@ -25,6 +25,7 @@ type NameServerConfig struct {
 	TimeoutMs          uint64     `json:"timeoutMs"`
 }
 
+// UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (c *NameServerConfig) UnmarshalJSON(data []byte) error {
 	var address Address
 	if err := json.Unmarshal(data, &address); err == nil {
@@ -163,6 +164,18 @@ type HostAddress struct {
 	addrs []*Address
 }
 
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (h *HostAddress) MarshalJSON() ([]byte, error) {
+	if (h.addr != nil) != (h.addrs != nil) {
+		if h.addr != nil {
+			return json.Marshal(h.addr)
+		} else if h.addrs != nil {
+			return json.Marshal(h.addrs)
+		}
+	}
+	return nil, errors.New("unexpected config state")
+}
+
 // UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (h *HostAddress) UnmarshalJSON(data []byte) error {
 	addr := new(Address)
@@ -208,6 +221,11 @@ func getHostMapping(ha *HostAddress) *dns.Config_HostMapping {
 	}
 }
 
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (m *HostsWrapper) MarshalJSON() ([]byte, error) {
+	return json.Marshal(m.Hosts)
+}
+
 // UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (m *HostsWrapper) UnmarshalJSON(data []byte) error {
 	hosts := make(map[string]*HostAddress)
diff --git a/infra/conf/fakedns.go b/infra/conf/fakedns.go
index 862403668cbf..3aa20115cae1 100644
--- a/infra/conf/fakedns.go
+++ b/infra/conf/fakedns.go
@@ -20,6 +20,18 @@ type FakeDNSConfig struct {
 	pools []*FakeDNSPoolElementConfig
 }
 
+// MarshalJSON implements encoding/json.Marshaler.MarshalJSON
+func (f *FakeDNSConfig) MarshalJSON() ([]byte, error) {
+	if (f.pool != nil) != (f.pools != nil) {
+		if f.pool != nil {
+			return json.Marshal(f.pool)
+		} else if f.pools != nil {
+			return json.Marshal(f.pools)
+		}
+	}
+	return nil, errors.New("unexpected config state")
+}
+
 // UnmarshalJSON implements encoding/json.Unmarshaler.UnmarshalJSON
 func (f *FakeDNSConfig) UnmarshalJSON(data []byte) error {
 	var pool FakeDNSPoolElementConfig
diff --git a/infra/conf/transport_internet.go b/infra/conf/transport_internet.go
index e32be32669da..b4ae0801082e 100644
--- a/infra/conf/transport_internet.go
+++ b/infra/conf/transport_internet.go
@@ -691,6 +691,7 @@ func (p TransportProtocol) Build() (string, error) {
 }
 
 type CustomSockoptConfig struct {
+	Syetem  string `json:"system"`
 	Network string `json:"network"`
 	Level   string `json:"level"`
 	Opt     string `json:"opt"`
@@ -778,6 +779,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 
 	for _, copt := range c.CustomSockopt {
 		customSockopt := &internet.CustomSockopt{
+			System:  copt.Syetem,
 			Network: copt.Network,
 			Level:   copt.Level,
 			Opt:     copt.Opt,
diff --git a/proxy/wireguard/client.go b/proxy/wireguard/client.go
index ff1592ef167d..345581c7371a 100644
--- a/proxy/wireguard/client.go
+++ b/proxy/wireguard/client.go
@@ -77,6 +77,20 @@ func New(ctx context.Context, conf *DeviceConfig) (*Handler, error) {
 	}, nil
 }
 
+func (h *Handler) Close() (err error) {
+	go func() {
+		h.wgLock.Lock()
+		defer h.wgLock.Unlock()
+
+		if h.net != nil {
+			_ = h.net.Close()
+			h.net = nil
+		}
+	}()
+
+	return nil
+}
+
 func (h *Handler) processWireGuard(ctx context.Context, dialer internet.Dialer) (err error) {
 	h.wgLock.Lock()
 	defer h.wgLock.Unlock()
diff --git a/transport/internet/config.pb.go b/transport/internet/config.pb.go
index 37a081432400..6aa11b3e9132 100644
--- a/transport/internet/config.pb.go
+++ b/transport/internet/config.pb.go
@@ -417,11 +417,12 @@ type CustomSockopt struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Network string `protobuf:"bytes,1,opt,name=network,proto3" json:"network,omitempty"`
-	Level   string `protobuf:"bytes,2,opt,name=level,proto3" json:"level,omitempty"`
-	Opt     string `protobuf:"bytes,3,opt,name=opt,proto3" json:"opt,omitempty"`
-	Value   string `protobuf:"bytes,4,opt,name=value,proto3" json:"value,omitempty"`
-	Type    string `protobuf:"bytes,5,opt,name=type,proto3" json:"type,omitempty"`
+	System  string `protobuf:"bytes,1,opt,name=system,proto3" json:"system,omitempty"`
+	Network string `protobuf:"bytes,2,opt,name=network,proto3" json:"network,omitempty"`
+	Level   string `protobuf:"bytes,3,opt,name=level,proto3" json:"level,omitempty"`
+	Opt     string `protobuf:"bytes,4,opt,name=opt,proto3" json:"opt,omitempty"`
+	Value   string `protobuf:"bytes,5,opt,name=value,proto3" json:"value,omitempty"`
+	Type    string `protobuf:"bytes,6,opt,name=type,proto3" json:"type,omitempty"`
 }
 
 func (x *CustomSockopt) Reset() {
@@ -454,6 +455,13 @@ func (*CustomSockopt) Descriptor() ([]byte, []int) {
 	return file_transport_internet_config_proto_rawDescGZIP(), []int{3}
 }
 
+func (x *CustomSockopt) GetSystem() string {
+	if x != nil {
+		return x.System
+	}
+	return ""
+}
+
 func (x *CustomSockopt) GetNetwork() string {
 	if x != nil {
 		return x.Network
@@ -748,107 +756,108 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/transport/internet/config.proto b/transport/internet/config.proto
index 54479e22b638..cb892c307f74 100644
--- a/transport/internet/config.proto
+++ b/transport/internet/config.proto
@@ -65,11 +65,12 @@ message ProxyConfig {
 }
 
 message CustomSockopt {
-  string network = 1;
-  string level = 2;
-  string opt = 3;
-  string value = 4;
-  string type = 5;
+  string system = 1;
+  string network = 2;
+  string level = 3;
+  string opt = 4;
+  string value = 5;
+  string type = 6;
 }
 
 // SocketConfig is options to be applied on network sockets.
diff --git a/transport/internet/sockopt_darwin.go b/transport/internet/sockopt_darwin.go
index 79e2133a0b19..2c8272149af4 100644
--- a/transport/internet/sockopt_darwin.go
+++ b/transport/internet/sockopt_darwin.go
@@ -1,8 +1,12 @@
 package internet
 
 import (
-	network "net"
+	"context"
+	gonet "net"
 	"os"
+	"runtime"
+	"strconv"
+	"strings"
 	"syscall"
 	"unsafe"
 
@@ -108,14 +112,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				return err
 			}
 		}
-		if config.Interface != "" {
-			InterfaceIndex := getInterfaceIndexByName(config.Interface)
-			if InterfaceIndex != 0 {
-				if err := unix.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_BOUND_IF, InterfaceIndex); err != nil {
-					return errors.New("failed to set Interface").Base(err)
-				}
-			}
-		}
 
 		if config.TcpKeepAliveIdle > 0 || config.TcpKeepAliveInterval > 0 {
 			if config.TcpKeepAliveIdle > 0 {
@@ -138,6 +134,61 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 		}
 	}
 
+	if config.Interface != "" {
+		iface, err := gonet.InterfaceByName(config.Interface)
+
+		if err != nil {
+			return errors.New("failed to get interface ", config.Interface).Base(err)
+		}
+		if network == "tcp6" || network == "udp6" {
+			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
+				return errors.New("failed to set IPV6_BOUND_IF").Base(err)
+			}
+		} else {
+			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
+				return errors.New("failed to set IP_BOUND_IF").Base(err)
+			}
+		}
+	}
+
+	if len(config.CustomSockopt) > 0 {
+		for _, custom := range config.CustomSockopt {
+			if custom.System != "" && custom.System != runtime.GOOS {
+				errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
+				continue
+			}
+			// Skip unwanted network type
+			// network might be tcp4 or tcp6
+			// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
+			// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
+			if !strings.HasPrefix(network, custom.Network) {
+				continue
+			}
+			var level = 0x6 // default TCP
+			var opt int
+			if len(custom.Opt) == 0 {
+				return errors.New("No opt!")
+			} else {
+				opt, _ = strconv.Atoi(custom.Opt)
+			}
+			if custom.Level != "" {
+				level, _ = strconv.Atoi(custom.Level)
+			}
+			if custom.Type == "int" {
+				value, _ := strconv.Atoi(custom.Value)
+				if err := syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
+					return errors.New("failed to set CustomSockoptInt", opt, value, err)
+				}
+			} else if custom.Type == "str" {
+				if err := syscall.SetsockoptString(int(fd), level, opt, custom.Value); err != nil {
+					return errors.New("failed to set CustomSockoptString", opt, custom.Value, err)
+				}
+			} else {
+				return errors.New("unknown CustomSockopt type:", custom.Type)
+			}
+		}
+	}
+
 	return nil
 }
 
@@ -152,14 +203,6 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 				return err
 			}
 		}
-		if config.Interface != "" {
-			InterfaceIndex := getInterfaceIndexByName(config.Interface)
-			if InterfaceIndex != 0 {
-				if err := unix.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_BOUND_IF, InterfaceIndex); err != nil {
-					return errors.New("failed to set Interface").Base(err)
-				}
-			}
-		}
 
 		if config.TcpKeepAliveIdle > 0 || config.TcpKeepAliveInterval > 0 {
 			if config.TcpKeepAliveIdle > 0 {
@@ -182,6 +225,67 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 	}
 
+	if config.Interface != "" {
+		iface, err := gonet.InterfaceByName(config.Interface)
+
+		if err != nil {
+			return errors.New("failed to get interface ", config.Interface).Base(err)
+		}
+		if network == "tcp6" || network == "udp6" {
+			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
+				return errors.New("failed to set IPV6_BOUND_IF").Base(err)
+			}
+		} else {
+			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
+				return errors.New("failed to set IP_BOUND_IF").Base(err)
+			}
+		}
+	}
+
+	if config.V6Only {
+		if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_V6ONLY, 1); err != nil {
+			return errors.New("failed to set IPV6_V6ONLY").Base(err)
+		}
+	}
+
+	if len(config.CustomSockopt) > 0 {
+		for _, custom := range config.CustomSockopt {
+			if custom.System != "" && custom.System != runtime.GOOS {
+				errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
+				continue
+			}
+			// Skip unwanted network type
+			// network might be tcp4 or tcp6
+			// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
+			// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
+			if !strings.HasPrefix(network, custom.Network) {
+				continue
+			}
+			var level = 0x6 // default TCP
+			var opt int
+			if len(custom.Opt) == 0 {
+				return errors.New("No opt!")
+			} else {
+				opt, _ = strconv.Atoi(custom.Opt)
+			}
+			if custom.Level != "" {
+				level, _ = strconv.Atoi(custom.Level)
+			}
+			if custom.Type == "int" {
+				value, _ := strconv.Atoi(custom.Value)
+				if err := syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
+					return errors.New("failed to set CustomSockoptInt", opt, value, err)
+				}
+			} else if custom.Type == "str" {
+				if err := syscall.SetsockoptString(int(fd), level, opt, custom.Value); err != nil {
+					return errors.New("failed to set CustomSockoptString", opt, custom.Value, err)
+				}
+			} else {
+				return errors.New("unknown CustomSockopt type:", custom.Type)
+			}
+		}
+	}
+
 	return nil
 }
 
@@ -224,24 +328,3 @@ func setReusePort(fd uintptr) error {
 	}
 	return nil
 }
-func getInterfaceIndexByName(name string) int {
-	ifaces, err := network.Interfaces()
-	if err == nil {
-		for _, iface := range ifaces {
-			if (iface.Flags&network.FlagUp == network.FlagUp) && (iface.Flags&network.FlagLoopback != network.FlagLoopback) {
-				addrs, _ := iface.Addrs()
-				for _, addr := range addrs {
-					if ipnet, ok := addr.(*network.IPNet); ok && !ipnet.IP.IsLoopback() {
-						if ipnet.IP.To4() != nil {
-							if iface.Name == name {
-								return iface.Index
-							}
-						}
-					}
-				}
-			}
-
-		}
-	}
-	return 0
-}
diff --git a/transport/internet/sockopt_linux.go b/transport/internet/sockopt_linux.go
index 2d5877abcfbd..aa24cceb8176 100644
--- a/transport/internet/sockopt_linux.go
+++ b/transport/internet/sockopt_linux.go
@@ -1,7 +1,9 @@
 package internet
 
 import (
+	"context"
 	"net"
+	"runtime"
 	"strconv"
 	"strings"
 	"syscall"
@@ -110,11 +112,15 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 
 	if len(config.CustomSockopt) > 0 {
 		for _, custom := range config.CustomSockopt {
+			if custom.System != "" && custom.System != runtime.GOOS{
+				errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
+				continue
+			}
 			// Skip unwanted network type
 			// network might be tcp4 or tcp6
 			// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
 			// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
-			if !strings.HasPrefix(network, custom.Network) {
+			if !strings.HasPrefix(network, custom.Network){
 				continue
 			}
 			var level = 0x6 // default TCP
@@ -212,6 +218,17 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 		if len(config.CustomSockopt) > 0 {
 			for _, custom := range config.CustomSockopt {
+				if custom.System != "" && custom.System != runtime.GOOS{
+					errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
+					continue
+				}
+				// Skip unwanted network type
+				// network might be tcp4 or tcp6
+				// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
+				// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
+				if !strings.HasPrefix(network, custom.Network){
+					continue
+				}
 				var level = 0x6 // default TCP
 				var opt int
 				if len(custom.Opt) == 0 {
diff --git a/transport/internet/sockopt_windows.go b/transport/internet/sockopt_windows.go
index e1c1d25e3f06..fb8a97035368 100644
--- a/transport/internet/sockopt_windows.go
+++ b/transport/internet/sockopt_windows.go
@@ -1,8 +1,12 @@
 package internet
 
 import (
+	"context"
 	"encoding/binary"
 	"net"
+	"runtime"
+	"strconv"
+	"strings"
 	"syscall"
 	"unsafe"
 
@@ -13,8 +17,6 @@ const (
 	TCP_FASTOPEN    = 15
 	IP_UNICAST_IF   = 31
 	IPV6_UNICAST_IF = 31
-	IP_MULTICAST_IF = 9
-	IPV6_MULTICAST_IF = 9
 )
 
 func setTFO(fd syscall.Handle, tfo int) error {
@@ -35,7 +37,10 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 		if err != nil {
 			return errors.New("failed to find the interface").Base(err)
 		}
-		isV4 := (network == "tcp4" || network == "udp4")
+		// easy way to check if the address is ipv4
+		isV4 := strings.Contains(address, ".")
+		// note: DO NOT trust the passed network variable, it can be udp6 even if the address is ipv4
+		// because operating system might(always) use ipv6 socket to process ipv4
 		if isV4 {
 			var bytes [4]byte
 			binary.BigEndian.PutUint32(bytes[:], uint32(inf.Index))
@@ -43,14 +48,14 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, IP_UNICAST_IF, int(idx)); err != nil {
 				return errors.New("failed to set IP_UNICAST_IF").Base(err)
 			}
-			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, IP_MULTICAST_IF, int(idx)); err != nil {
+			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, int(idx)); err != nil {
 				return errors.New("failed to set IP_MULTICAST_IF").Base(err)
 			}
 		} else {
 			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, IPV6_UNICAST_IF, inf.Index); err != nil {
 				return errors.New("failed to set IPV6_UNICAST_IF").Base(err)
 			}
-			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, IPV6_MULTICAST_IF, inf.Index); err != nil {
+			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, syscall.IPV6_MULTICAST_IF, inf.Index); err != nil {
 				return errors.New("failed to set IPV6_MULTICAST_IF").Base(err)
 			}
 		}
@@ -71,6 +76,42 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 		}
 	}
 
+	if len(config.CustomSockopt) > 0 {
+		for _, custom := range config.CustomSockopt {
+			if custom.System != "" && custom.System != runtime.GOOS {
+				errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
+				continue
+			}
+			// Skip unwanted network type
+			// network might be tcp4 or tcp6
+			// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
+			// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
+			if !strings.HasPrefix(network, custom.Network) {
+				continue
+			}
+			var level = 0x6 // default TCP
+			var opt int
+			if len(custom.Opt) == 0 {
+				return errors.New("No opt!")
+			} else {
+				opt, _ = strconv.Atoi(custom.Opt)
+			}
+			if custom.Level != "" {
+				level, _ = strconv.Atoi(custom.Level)
+			}
+			if custom.Type == "int" {
+				value, _ := strconv.Atoi(custom.Value)
+				if err := syscall.SetsockoptInt(syscall.Handle(fd), level, opt, value); err != nil {
+					return errors.New("failed to set CustomSockoptInt", opt, value, err)
+				}
+			} else if custom.Type == "str" {
+				return errors.New("failed to set CustomSockoptString: Str type does not supported on windows")
+			} else {
+				return errors.New("unknown CustomSockopt type:", custom.Type)
+			}
+		}
+	}
+
 	return nil
 }
 
@@ -90,6 +131,48 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
 		}
 	}
 
+	if config.V6Only {
+		if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, 1); err != nil {
+			return errors.New("failed to set IPV6_V6ONLY").Base(err)
+		}
+	}
+
+	if len(config.CustomSockopt) > 0 {
+		for _, custom := range config.CustomSockopt {
+			if custom.System != "" && custom.System != runtime.GOOS {
+				errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
+				continue
+			}
+			// Skip unwanted network type
+			// network might be tcp4 or tcp6
+			// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
+			// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
+			if !strings.HasPrefix(network, custom.Network) {
+				continue
+			}
+			var level = 0x6 // default TCP
+			var opt int
+			if len(custom.Opt) == 0 {
+				return errors.New("No opt!")
+			} else {
+				opt, _ = strconv.Atoi(custom.Opt)
+			}
+			if custom.Level != "" {
+				level, _ = strconv.Atoi(custom.Level)
+			}
+			if custom.Type == "int" {
+				value, _ := strconv.Atoi(custom.Value)
+				if err := syscall.SetsockoptInt(syscall.Handle(fd), level, opt, value); err != nil {
+					return errors.New("failed to set CustomSockoptInt", opt, value, err)
+				}
+			} else if custom.Type == "str" {
+				return errors.New("failed to set CustomSockoptString: Str type does not supported on windows")
+			} else {
+				return errors.New("unknown CustomSockopt type:", custom.Type)
+			}
+		}
+	}
+
 	return nil
 }
 
diff --git a/transport/internet/system_dialer.go b/transport/internet/system_dialer.go
index 0b3c2f10e7be..ba7db103a0fe 100644
--- a/transport/internet/system_dialer.go
+++ b/transport/internet/system_dialer.go
@@ -59,31 +59,29 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
 				Port: 0,
 			}
 		}
-		packetConn, err := ListenSystemPacket(ctx, srcAddr, sockopt)
-		if err != nil {
-			return nil, err
-		}
+		var lc net.ListenConfig
 		destAddr, err := net.ResolveUDPAddr("udp", dest.NetAddr())
 		if err != nil {
 			return nil, err
 		}
-		if sockopt != nil {
-			sys, err := packetConn.(*net.UDPConn).SyscallConn()
-			if err != nil {
-				return nil, err
-			}
-			sys.Control(func(fd uintptr) {
-				var network string
-				if destAddr.IP.To4() != nil {
-					network = "udp4"
-				} else {
-					network = "udp6"
+		lc.Control = func(network, address string, c syscall.RawConn) error {
+			for _, ctl := range d.controllers {
+				if err := ctl(network, address, c); err != nil {
+					errors.LogInfoInner(ctx, err, "failed to apply external controller")
 				}
-				if err := applyOutboundSocketOptions(network, dest.NetAddr(), fd, sockopt); err != nil {
-					errors.LogInfo(ctx, err, "failed to apply socket options")
+			}
+			return c.Control(func(fd uintptr) {
+				if sockopt != nil {
+					if err := applyOutboundSocketOptions(network, destAddr.String(), fd, sockopt); err != nil {
+						errors.LogInfo(ctx, err, "failed to apply socket options")
+					}
 				}
 			})
 		}
+		packetConn, err := lc.ListenPacket(ctx, srcAddr.Network(), srcAddr.String())
+		if err != nil {
+			return nil, err
+		}
 		return &PacketConnWrapper{
 			Conn: packetConn,
 			Dest: destAddr,