fix default fake ip filter

core/src/main/golang/config/patch.go

@@ -36,9 +36,9 @@ func init() {
 		EnhancedMode: dns.FAKEIP,
 		FakeIPRange:  "198.18.0.0/16",
 		FakeIPFilter: []string{ // default fake-ip filters for stun services
-			".stun.*.*",
-			".stun.*.*.*",
-			".stun.*.*.*.*",
+			"+.stun.*.*",
+			"+.stun.*.*.*",
+			"+.stun.*.*.*.*",
 		},
 		DefaultNameserver: defaultNameServers,
 	}

core/src/main/golang/tun/tun.go

@@ -55,8 +55,6 @@ func StartTunDevice(fd, mtu int, gateway, mirror, dnsAddress string, onStop func
 	file := os.NewFile(uintptr(fd), "/dev/tun")
 	_ = syscall.SetNonblock(fd, true)
 
-	increaseMaxConnection()
-
 	adapter = tun2socket.NewTun2Socket(file, mtu, gatewayIP, mirrorIP.To4())
 
 	adapter.SetLogger(&ClashLogger{})
@@ -135,23 +133,3 @@ func StopTunDevice() {
 		log.Infoln("Android tun stopped")
 	}
 }
-
-func increaseMaxConnection() {
-	var limit syscall.Rlimit
-
-	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &limit); err != nil {
-		return
-	}
-
-	if limit.Max == limit.Cur {
-		return
-	}
-
-	limit.Cur = limit.Max
-
-	if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &limit); err != nil {
-		return
-	}
-
-	log.Infoln("Increase max connection to %d", limit.Cur)
-}