diff --git a/app/commander/outbound.go b/app/commander/outbound.go
index 3cc48790..0616933f 100644
--- a/app/commander/outbound.go
+++ b/app/commander/outbound.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/signal/done"
 	"github.com/xtls/xray-core/transport"
 )
@@ -79,7 +80,7 @@ func (co *Outbound) Dispatch(ctx context.Context, link *transport.Link) {
 	}
 
 	closeSignal := done.New()
-	c := net.NewConnection(net.ConnectionInputMulti(link.Writer), net.ConnectionOutputMulti(link.Reader), net.ConnectionOnClose(closeSignal))
+	c := cnc.NewConnection(cnc.ConnectionInputMulti(link.Writer), cnc.ConnectionOutputMulti(link.Reader), cnc.ConnectionOnClose(closeSignal))
 	co.listener.add(c)
 	co.access.RUnlock()
 	<-closeSignal.Wait()
diff --git a/app/dns/dohdns.go b/app/dns/dohdns.go
index a9e3b8bf..a0c5a092 100644
--- a/app/dns/dohdns.go
+++ b/app/dns/dohdns.go
@@ -14,6 +14,7 @@ import (
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/protocol/dns"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/common/signal/pubsub"
@@ -65,9 +66,9 @@ func NewDoHNameServer(url *url.URL, dispatcher routing.Dispatcher, clientIP net.
 			if err != nil {
 				return nil, err
 			}
-			return net.NewConnection(
-				net.ConnectionInputMulti(link.Writer),
-				net.ConnectionOutputMulti(link.Reader),
+			return cnc.NewConnection(
+				cnc.ConnectionInputMulti(link.Writer),
+				cnc.ConnectionOutputMulti(link.Reader),
 			), nil
 		},
 	}
diff --git a/app/proxyman/outbound/handler.go b/app/proxyman/outbound/handler.go
index 91945ea9..0452ff67 100644
--- a/app/proxyman/outbound/handler.go
+++ b/app/proxyman/outbound/handler.go
@@ -7,6 +7,7 @@ import (
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/mux"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/common/session"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/outbound"
@@ -173,7 +174,7 @@ func (h *Handler) Dial(ctx context.Context, dest net.Destination) (internet.Conn
 				downlinkReader, downlinkWriter := pipe.New(opts...)
 
 				go handler.Dispatch(ctx, &transport.Link{Reader: uplinkReader, Writer: downlinkWriter})
-				conn := net.NewConnection(net.ConnectionInputMulti(uplinkWriter), net.ConnectionOutputMulti(downlinkReader))
+				conn := cnc.NewConnection(cnc.ConnectionInputMulti(uplinkWriter), cnc.ConnectionOutputMulti(downlinkReader))
 
 				if config := tls.ConfigFromStreamSettings(h.streamSettings); config != nil {
 					tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
diff --git a/common/net/connection.go b/common/net/cnc/connection.go
similarity index 97%
rename from common/net/connection.go
rename to common/net/cnc/connection.go
index 2429f695..42b632e7 100644
--- a/common/net/connection.go
+++ b/common/net/cnc/connection.go
@@ -1,12 +1,12 @@
-package net
+package cnc
 
 import (
 	"io"
-	"net"
 	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
+	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/common/signal/done"
 )
 
@@ -88,8 +88,8 @@ type connection struct {
 	writer  buf.Writer
 	done    *done.Instance
 	onClose io.Closer
-	local   Addr
-	remote  Addr
+	local   net.Addr
+	remote  net.Addr
 }
 
 func (c *connection) Read(b []byte) (int, error) {
diff --git a/core/functions.go b/core/functions.go
index e35bdb57..1de87e48 100644
--- a/core/functions.go
+++ b/core/functions.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/features/routing"
 	"github.com/xtls/xray-core/transport/internet/udp"
 )
@@ -53,13 +54,13 @@ func Dial(ctx context.Context, v *Instance, dest net.Destination) (net.Conn, err
 	if err != nil {
 		return nil, err
 	}
-	var readerOpt net.ConnectionOption
+	var readerOpt cnc.ConnectionOption
 	if dest.Network == net.Network_TCP {
-		readerOpt = net.ConnectionOutputMulti(r.Reader)
+		readerOpt = cnc.ConnectionOutputMulti(r.Reader)
 	} else {
-		readerOpt = net.ConnectionOutputMultiUDP(r.Reader)
+		readerOpt = cnc.ConnectionOutputMultiUDP(r.Reader)
 	}
-	return net.NewConnection(net.ConnectionInputMulti(r.Writer), readerOpt), nil
+	return cnc.NewConnection(cnc.ConnectionInputMulti(r.Writer), readerOpt), nil
 }
 
 // DialUDP provides a way to exchange UDP packets through Xray instance to remote servers.
diff --git a/transport/internet/http/dialer.go b/transport/internet/http/dialer.go
index d8e0f0cc..2255b9f2 100644
--- a/transport/internet/http/dialer.go
+++ b/transport/internet/http/dialer.go
@@ -10,6 +10,7 @@ import (
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	"github.com/xtls/xray-core/transport/internet"
 	"github.com/xtls/xray-core/transport/internet/tls"
 	"github.com/xtls/xray-core/transport/pipe"
@@ -124,10 +125,10 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 
 	bwriter := buf.NewBufferedWriter(pwriter)
 	common.Must(bwriter.SetBuffered(false))
-	return net.NewConnection(
-		net.ConnectionOutput(response.Body),
-		net.ConnectionInput(bwriter),
-		net.ConnectionOnClose(common.ChainedClosable{breader, bwriter, response.Body}),
+	return cnc.NewConnection(
+		cnc.ConnectionOutput(response.Body),
+		cnc.ConnectionInput(bwriter),
+		cnc.ConnectionOnClose(common.ChainedClosable{breader, bwriter, response.Body}),
 	), nil
 }
 
diff --git a/transport/internet/http/hub.go b/transport/internet/http/hub.go
index fcbe99be..76388b5f 100644
--- a/transport/internet/http/hub.go
+++ b/transport/internet/http/hub.go
@@ -14,6 +14,7 @@ import (
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/common/net/cnc"
 	http_proto "github.com/xtls/xray-core/common/protocol/http"
 	"github.com/xtls/xray-core/common/serial"
 	"github.com/xtls/xray-core/common/session"
@@ -97,12 +98,12 @@ func (l *Listener) ServeHTTP(writer http.ResponseWriter, request *http.Request)
 	}
 
 	done := done.New()
-	conn := net.NewConnection(
-		net.ConnectionOutput(request.Body),
-		net.ConnectionInput(flushWriter{w: writer, d: done}),
-		net.ConnectionOnClose(common.ChainedClosable{done, request.Body}),
-		net.ConnectionLocalAddr(l.Addr()),
-		net.ConnectionRemoteAddr(remoteAddr),
+	conn := cnc.NewConnection(
+		cnc.ConnectionOutput(request.Body),
+		cnc.ConnectionInput(flushWriter{w: writer, d: done}),
+		cnc.ConnectionOnClose(common.ChainedClosable{done, request.Body}),
+		cnc.ConnectionLocalAddr(l.Addr()),
+		cnc.ConnectionRemoteAddr(remoteAddr),
 	)
 	l.handler(conn)
 	<-done.Wait()