added missing target host to cmdline params

proxy/cmd/main.go

@@ -12,6 +12,7 @@ func main() {
 	var vncPass = flag.String("vncPass", "", "password on incoming vnc connections to the proxy, defaults to no password")
 	var recordDir = flag.String("recDir", "", "path to save FBS recordings WILL NOT RECORD if not defined.")
 	var targetVncPort = flag.String("targPort", "", "target vnc server port")
+	var targetVncHost = flag.String("targHost", "", "target vnc server host")
 	var targetVncPass = flag.String("targPass", "", "target vnc password")
 
 	flag.Parse()
@@ -34,14 +35,19 @@ func main() {
 	if *recordDir == "" {
 		logger.Warn("FBS recording is turned off")
 	}
+	
+	tcpUrl := ""
+	if *tcpPort != "" {
+		tcpUrl = ":" + string(*tcpPort)
+	}
 
 	proxy := &proxy.VncProxy{
 		WsListeningUrl:   "http://localhost:" + string(*wsPort) + "/", // empty = not listening on ws
 		RecordingDir:     *recordDir,                                  //"/Users/amitbet/vncRec",                     // empty = no recording
-		TcpListeningUrl:  ":" + string(*tcpPort),
+		TcpListeningUrl:  tcpUrl,
 		ProxyVncPassword: *vncPass, //empty = no auth
 		SingleSession: &proxy.VncSession{
-			TargetHostname: "localhost",
+			TargetHostname: *targetVncHost,
 			TargetPort:     *targetVncPort,
 			TargetPassword: *targetVncPass, //"vncPass",
 			ID:             "dummySession",