diff --git a/slsDetectorSoftware/commonFiles/error_defs.h b/slsDetectorSoftware/commonFiles/error_defs.h
index 3e88af858..1b586d03a 100644
--- a/slsDetectorSoftware/commonFiles/error_defs.h
+++ b/slsDetectorSoftware/commonFiles/error_defs.h
@@ -242,7 +242,7 @@ public:
 			retval.append("Could not activate/deactivate receiver\n");
 
 		if(slsErrorMask&DATA_STREAMING)
-			retval.append("Could not set/reset Data Streaming\n");
+			retval.append("Could not enable/disable Data Streaming\n");
 
 		if(slsErrorMask&RESET_ERROR)
 			retval.append("Could not reset the FPGA\n");
diff --git a/slsDetectorSoftware/commonFiles/sls_detector_defs.h b/slsDetectorSoftware/commonFiles/sls_detector_defs.h
index 4dfc6f97c..a22877146 100755
--- a/slsDetectorSoftware/commonFiles/sls_detector_defs.h
+++ b/slsDetectorSoftware/commonFiles/sls_detector_defs.h
@@ -194,6 +194,7 @@ enum networkParameter {
   FLOW_CONTROL_WR_PTR,		/**< memory write pointer for flow control */
   FLOW_CONTROL_RD_PTR,		/**< memory read pointer for flow control */
   RECEIVER_STREAMING_PORT,	/**< receiever streaming TCP(ZMQ) port */
+  CLIENT_STREAMING_PORT,	/**< client streaming TCP(ZMQ) port */
   RECEIVER_STREAMING_SRC_IP	/**< receiever streaming TCP(ZMQ) ip */
 };
 
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index 82eea673f..f65166098 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -216,6 +216,7 @@ multiSlsDetector::multiSlsDetector(int id) :  slsDetectorUtils(), shmId(-1)
     thisMultiDetector->receiver_read_freq = 0;
     thisMultiDetector->acquiringFlag = false;
     thisMultiDetector->externalgui = false;
+    thisMultiDetector->receiver_datastream = false;
     thisMultiDetector->alreadyExisting=1;
   }
 
@@ -281,7 +282,7 @@ multiSlsDetector::multiSlsDetector(int id) :  slsDetectorUtils(), shmId(-1)
 
   getNMods();
   getMaxMods();
-  dataSocketsStarted = false;
+  client_datastream = false;
   for(int i=0;i<MAXDET;++i)
 	  zmqSocket[i] = 0;
   threadpool = 0;
@@ -3728,10 +3729,21 @@ string multiSlsDetector::setNetworkParameter(networkParameter p, string s){
 
 	// disable data streaming before changing zmq port (but only if they were on)
 	int prev_streaming = 0;
-  	if (p == RECEIVER_STREAMING_PORT || p == RECEIVER_STREAMING_SRC_IP) {
-		prev_streaming = getStreamingSocketsCreatedInClient();
-  		enableDataStreamingFromReceiver(0);
-  	}
+	switch (p) {
+	case RECEIVER_STREAMING_PORT:
+		prev_streaming = enableDataStreamingFromReceiver();
+		enableDataStreamingFromReceiver(0);
+		break;
+	case CLIENT_STREAMING_PORT:
+		prev_streaming = enableDataStreamingToClient();
+		enableDataStreamingToClient(0);
+		break;
+	case RECEIVER_STREAMING_SRC_IP:
+		prev_streaming = enableDataStreamingFromReceiver();
+		enableDataStreamingFromReceiver(0);
+	default: break;
+	}
+
 
 	if (s.find('+')==string::npos) {
 
@@ -3742,7 +3754,7 @@ string multiSlsDetector::setNetworkParameter(networkParameter p, string s){
 			string* sret[thisMultiDetector->numberOfDetectors];
 			for(int idet=0; idet<thisMultiDetector->numberOfDetectors; ++idet){
 				if(detectors[idet]){
-					if (p == RECEIVER_STREAMING_PORT)
+					if (p == RECEIVER_STREAMING_PORT || p == CLIENT_STREAMING_PORT)
 						s.append("multi\0");
 					sret[idet]=new string("error");
 					Task* task = new Task(new func2_t<string,networkParameter,string>(&slsDetector::setNetworkParameter,
@@ -3786,8 +3798,20 @@ string multiSlsDetector::setNetworkParameter(networkParameter p, string s){
 	}
 
 	//enable data streaming if it was on
-	if ((p == RECEIVER_STREAMING_PORT || p == RECEIVER_STREAMING_SRC_IP) && prev_streaming)
-		enableDataStreamingFromReceiver(1);
+	if (prev_streaming) {
+		switch (p) {
+		case RECEIVER_STREAMING_PORT:
+			enableDataStreamingFromReceiver(1);
+			break;
+		case CLIENT_STREAMING_PORT:
+			enableDataStreamingToClient(1);
+			break;
+		case RECEIVER_STREAMING_SRC_IP:
+			enableDataStreamingFromReceiver(1);
+			break;
+		default: break;
+		}
+	}
 
 	return getNetworkParameter(p);
 
@@ -5740,7 +5764,7 @@ int multiSlsDetector::createReceivingDataSockets(const bool destroy){
 					zmqSocket[i] = 0;
 				}
 			}
-			dataSocketsStarted = false;
+			client_datastream = false;
 		 cout << "Destroyed Receiving Data Socket(s)" << endl;
 		 return OK;
 	}
@@ -5748,14 +5772,9 @@ int multiSlsDetector::createReceivingDataSockets(const bool destroy){
 	cprintf(MAGENTA,"Going to create data sockets\n");
 
 	for(int i=0;i<numSockets; ++i){
-		uint32_t portnum;
-		sscanf(detectors[i/numSocketsPerDetector]->getReceiverStreamingPort().c_str(),"%d",&portnum);
-		if (portnum == 0) {
-			portnum = DEFAULT_ZMQ_PORTNO +
-							(i/numSocketsPerDetector)*numSocketsPerDetector + (i%numSocketsPerDetector); // *num and /num is not same cuz its integers
-		}else{
-			portnum += (i%numSocketsPerDetector);
-		}
+		uint32_t portnum = 0;
+		sscanf(detectors[i/numSocketsPerDetector]->getClientStreamingPort().c_str(),"%d",&portnum);
+		portnum += (i%numSocketsPerDetector);
 
 		zmqSocket[i] = new ZmqSocket(detectors[i/numSocketsPerDetector]->getReceiver().c_str(), portnum);
 		if (zmqSocket[i]->IsError()) {
@@ -5766,7 +5785,7 @@ int multiSlsDetector::createReceivingDataSockets(const bool destroy){
 		printf("Zmq Client[%d] at %s\n",i, zmqSocket[i]->GetZmqServerAddress());
 	}
 
-	dataSocketsStarted = true;
+	client_datastream = true;
 	cout << "Receiving Data Socket(s) created" << endl;
 	return OK;
 }
@@ -6340,71 +6359,63 @@ int multiSlsDetector::setReceiverReadTimer(int time_in_ms){
 	return ret;
 }
 
-int multiSlsDetector::getStreamingSocketsCreatedInClient() {
-	return dataSocketsStarted;
+int multiSlsDetector::enableDataStreamingToClient(int enable) {
+	if(enable >= 0){
+
+		//destroy data threads
+		if (!enable)
+			createReceivingDataSockets(true);
+
+		//create data threads
+		else {
+			if(createReceivingDataSockets() == FAIL){
+				std::cout << "Could not create data threads in client." << std::endl;
+				//only for the first det as theres no general one
+				setErrorMask(getErrorMask()|(1<<0));
+				detectors[0]->setErrorMask((detectors[0]->getErrorMask())|(DATA_STREAMING));
+			}
+		}
+	}
+	return client_datastream;
 }
 
-int multiSlsDetector::enableDataStreamingFromReceiver(int enable){//cannot parrallize due to serReceiver calling parentdet->enabledatastremain
-
-	//create client sockets only if no external gui
-	if (!thisMultiDetector->externalgui) {
-		if(enable >= 0){
-
-			//destroy data threads
-			if(dataSocketsStarted)
-				createReceivingDataSockets(true);
-
-			//create data threads
-			if(enable > 0){
-				if(createReceivingDataSockets() == FAIL){
-					std::cout << "Could not create data threads in client. Aborting creating data sockets in receiver" << std::endl;
-					//only for the first det as theres no general one
-					setErrorMask(getErrorMask()|(1<<0));
-					detectors[0]->setErrorMask((detectors[0]->getErrorMask())|(DATA_STREAMING));
-					return -1;
+int multiSlsDetector::enableDataStreamingFromReceiver(int enable){
+	if(enable >= 0){
+		int ret=-100;
+		if(!threadpool){
+			cout << "Error in creating threadpool. Exiting" << endl;
+			return -1;
+		}else{
+			//return storage values
+			int* iret[thisMultiDetector->numberOfDetectors];
+			for(int idet=0; idet<thisMultiDetector->numberOfDetectors; ++idet){
+				if(detectors[idet]){
+					iret[idet]= new int(-1);
+					Task* task = new Task(new func1_t<int,int>(&slsDetector::enableDataStreamingFromReceiver,
+							detectors[idet],enable,iret[idet]));
+					threadpool->add_task(task);
+				}
+			}
+			threadpool->startExecuting();
+			threadpool->wait_for_tasks_to_complete();
+			for(int idet=0; idet<thisMultiDetector->numberOfDetectors; ++idet){
+				if(detectors[idet]){
+					if(iret[idet] != NULL){
+						if (ret==-100)
+							ret=*iret[idet];
+						else if (ret!=*iret[idet])
+							ret=-1;
+						delete iret[idet];
+					}else ret=-1;
+					if(detectors[idet]->getErrorMask())
+						setErrorMask(getErrorMask()|(1<<idet));
 				}
 			}
 		}
+		thisMultiDetector->receiver_datastream = ret;
 	}
 
-
-	int ret=-100;
-	if(!threadpool){
-		cout << "Error in creating threadpool. Exiting" << endl;
-		return -1;
-	}else{
-		//return storage values
-		int* iret[thisMultiDetector->numberOfDetectors];
-		for(int idet=0; idet<thisMultiDetector->numberOfDetectors; ++idet){
-			if(detectors[idet]){
-				iret[idet]= new int(-1);
-				Task* task = new Task(new func1_t<int,int>(&slsDetector::enableDataStreamingFromReceiver,
-						detectors[idet],enable,iret[idet]));
-				threadpool->add_task(task);
-			}
-		}
-		threadpool->startExecuting();
-		threadpool->wait_for_tasks_to_complete();
-		for(int idet=0; idet<thisMultiDetector->numberOfDetectors; ++idet){
-			if(detectors[idet]){
-				if(iret[idet] != NULL){
-					if (ret==-100)
-						ret=*iret[idet];
-					else if (ret!=*iret[idet])
-						ret=-1;
-					delete iret[idet];
-				}else ret=-1;
-				if(detectors[idet]->getErrorMask())
-					setErrorMask(getErrorMask()|(1<<idet));
-			}
-		}
-	}
-
-	if (!thisMultiDetector->externalgui) {
-		if (ret != dataSocketsStarted)
-			ret = -1;
-	}
-	return ret;
+	return thisMultiDetector->receiver_datastream;
 }
 
 int multiSlsDetector::enableReceiverCompression(int i){
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
index a170aecb8..6ea818dc3 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
@@ -219,6 +219,9 @@ class multiSlsDetector  : public slsDetectorUtils {
     /** receiver online flag - is set if the receiver is connected, unset if socket connection is not possible  */
     int receiverOnlineFlag;
 
+    /** data streaming (up stream) enable in receiver */
+    bool receiver_datastream;
+
   } sharedMultiSlsDetector;
 
 
@@ -1367,17 +1370,19 @@ class multiSlsDetector  : public slsDetectorUtils {
 
 
   /**
-   * Get Streaming sockets created in client from reciever
-    /returns 1 if sockets created, else 0
+   * Enable data streaming to client
+   * @param enable 0 to disable, 1 to enable, -1 to get the value
+   * @returns data streaming to client enable
    */
-  int getStreamingSocketsCreatedInClient();
+  int enableDataStreamingToClient(int enable=-1);
 
   /** Enable or disable streaming data from receiver to client
-   * 	@param enable 0 to disable 1 to enable -1 to only get the value
-   * 	@returns data streaming
+   * @param enable 0 to disable 1 to enable -1 to only get the value
+   * @returns data streaming from receiver enable
   */
   int enableDataStreamingFromReceiver(int enable=-1);
 
+
   /** updates the multidetector offsets */
   void updateOffsets();
 
@@ -1523,8 +1528,8 @@ private:
 
 
 
-	/** Ensures if sockets created successfully */
-	bool dataSocketsStarted;
+	/** data streaming (down stream) enabled in client (zmq sckets created) */
+	bool client_datastream;
 
 	/** ZMQ Socket - Receiver to Client */
 	ZmqSocket* zmqSocket[MAXDET];
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index e70e1448b..7ca65dfb7 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -788,6 +788,8 @@ int slsDetector::initializeDetectorSize(detectorType type) {
     thisDetector->flippedData[0] = 0;
     thisDetector->flippedData[1] = 0;
     thisDetector->zmqport = 0;
+    thisDetector->receiver_zmqport = 0;
+    thisDetector->receiver_datastream = false;
 
     for (int ia=0; ia<MAX_ACTIONS; ++ia) {
       strcpy(thisDetector->actionScript[ia],"none");
@@ -932,6 +934,14 @@ int slsDetector::initializeDetectorSize(detectorType type) {
 	  delete thisReceiver;
   thisReceiver = new receiverInterface(dataSocket);
 
+  // zmq ports
+  if (posId != -1) {
+	  if (thisDetector->zmqport == 0)
+		  thisDetector->zmqport = DEFAULT_ZMQ_CL_PORTNO + (posId * ((thisDetector->myDetectorType == EIGER) ? 2 : 1));
+	  if (thisDetector->receiver_zmqport == 0)
+		  thisDetector->receiver_zmqport = DEFAULT_ZMQ_RX_PORTNO + (posId * ((thisDetector->myDetectorType == EIGER) ? 2 : 1));
+  }
+
   //  setAngularConversionPointer(thisDetector->angOff,&thisDetector->nMods, thisDetector->nChans*thisDetector->nChips);
 
 #ifdef VERBOSE
@@ -6017,6 +6027,9 @@ string slsDetector::setNetworkParameter(networkParameter index, string value) {
 	case FLOW_CONTROL_10G:
 		sscanf(value.c_str(),"%d",&i);
 		return setDetectorNetworkParameter(index, i);
+	case CLIENT_STREAMING_PORT:
+		setClientStreamingPort(value);
+		return getClientStreamingPort();
 	case RECEIVER_STREAMING_PORT:
 		setReceiverStreamingPort(value);
 		return getReceiverStreamingPort();
@@ -6052,6 +6065,8 @@ string slsDetector::getNetworkParameter(networkParameter index) {
   case DETECTOR_TXN_DELAY_FRAME:
   case FLOW_CONTROL_10G:
 	  return setDetectorNetworkParameter(index, -1);
+  case CLIENT_STREAMING_PORT:
+	  return getClientStreamingPort();
   case RECEIVER_STREAMING_PORT:
 	  return getReceiverStreamingPort();
 	case RECEIVER_STREAMING_SRC_IP:
@@ -6155,9 +6170,10 @@ string slsDetector::setReceiver(string receiverIP){
 		std::cout << "dynamic range:" << thisDetector->dynamicRange << endl << endl;
 		std::cout << "flippeddatax:" << thisDetector->flippedData[d] << endl;
 		std::cout << "10GbE:" << thisDetector->tenGigaEnable << endl << endl;
-		std::cout << "streaming port:" << thisDetector->zmqport << endl;
 		std::cout << "streaming source ip:" << thisDetector->zmqsrcip << endl;
 		std::cout << "enable gap pixels:" << thisDetector->gappixels << endl;
+		std::cout << "rx streaming port:" << thisDetector->receiver_zmqport << endl;
+
 		//std::cout << "dataStreaming:" << enableDataStreamingFromReceiver(-1) << endl << endl;
 /** enable compresison, */
 #endif
@@ -6200,20 +6216,7 @@ string slsDetector::setReceiver(string receiverIP){
 
 			// data streaming
 			setReceiverStreamingPort(getReceiverStreamingPort());
-			setReceiverStreamingSourceIP(getReceiverStreamingSourceIP());
-			int clientSockets = parentDet->getStreamingSocketsCreatedInClient();
-			int recSockets = enableDataStreamingFromReceiver(-1);
-			if(clientSockets != recSockets) {
-				pthread_mutex_lock(&ms);
-				if(clientSockets)
-					printf("Enabling Data Streaming\n");
-				else
-					printf("Disabling Data Streaming\n");
-				// push client state to receiver
-				/*parentDet->enableDataStreamingFromReceiver(clientSockets);*/
-				enableDataStreamingFromReceiver(clientSockets);
-				pthread_mutex_unlock(&ms);
-			}
+			enableDataStreamingFromReceiver(enableDataStreamingFromReceiver(-1));
 		}
 	}
 
@@ -6312,7 +6315,29 @@ int slsDetector::setReceiverUDPPort2(int udpport){
 }
 
 
-int slsDetector::setReceiverStreamingPort(string port) {
+string slsDetector::setClientStreamingPort(string port) {
+	int defaultport = 0;
+	int numsockets = (thisDetector->myDetectorType == EIGER) ? 2:1;
+	int arg = 0;
+
+	//multi command, calculate individual ports
+	size_t found = port.find("multi");
+	if(found != string::npos) {
+		port.erase(found,5);
+		sscanf(port.c_str(),"%d",&defaultport);
+		arg = defaultport + (posId * numsockets);
+	}
+	else
+		sscanf(port.c_str(),"%d",&arg);
+	thisDetector->zmqport = arg;
+
+	return getClientStreamingPort();
+}
+
+
+
+
+string slsDetector::setReceiverStreamingPort(string port) {
 	int defaultport = 0;
 	int numsockets = (thisDetector->myDetectorType == EIGER) ? 2:1;
 	int arg = 0;
@@ -6340,12 +6365,12 @@ int slsDetector::setReceiverStreamingPort(string port) {
 			disconnectData();
 		}
 		if(ret!=FAIL)
-			thisDetector->zmqport = retval;
+			thisDetector->receiver_zmqport = retval;
 		if(ret==FORCE_UPDATE)
 			updateReceiver();
 	}
 
-	return thisDetector->zmqport;
+	return getReceiverStreamingPort();
 }
 
 string slsDetector::setReceiverStreamingSourceIP(string sourceIP) {
@@ -8394,9 +8419,13 @@ int slsDetector::updateReceiverNoWait() {
   parentDet->enableOverwriteMask(ind);
   pthread_mutex_unlock(&ms);
 
-  // streaming port
+  // receiver streaming port
   n += 	dataSocket->ReceiveDataOnly(&ind,sizeof(ind));
-  thisDetector->zmqport = ind;
+  thisDetector->receiver_zmqport = ind;
+
+  // receiver streaming enable
+  n += dataSocket->ReceiveDataOnly(&ind,sizeof(ind));
+  thisDetector->receiver_datastream = ind;
 
   // streaming source ip
   n += 	dataSocket->ReceiveDataOnly(path,MAX_STR_LENGTH);
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.h b/slsDetectorSoftware/slsDetector/slsDetector.h
index 91ffed795..5d4ff757d 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.h
+++ b/slsDetectorSoftware/slsDetector/slsDetector.h
@@ -269,8 +269,12 @@ class slsDetector : public slsDetectorUtils, public energyConversion {
     bool acquiringFlag;
     /** flipped data across x or y axis */
     int flippedData[2];
-    /** tcp port between receiver and gui (only data) */
+    /** tcp port from gui/different process to receiver (only data) */
     int zmqport;
+    /** tcp port from receiver to gui/different process (only data) */
+    int receiver_zmqport;
+    /** data streaming (up stream) enable in receiver */
+    bool receiver_datastream;
     /**  zmq tcp src ip address between receiver and gui (only data) **/
     char zmqsrcip[MAX_STR_LENGTH];
 
@@ -1670,7 +1674,7 @@ class slsDetector : public slsDetectorUtils, public energyConversion {
   /**   gets the number of frames caught by any one receiver (to avoid using threadpool)
  	\returns number of frames caught by any one receiver (master receiver if exists)
   */
-  int getFramesCaughtByAnyReceiver() {getFramesCaughtByReceiver();};
+  int getFramesCaughtByAnyReceiver() {return getFramesCaughtByReceiver();};
 
   /**  gets the current frame index of receiver
      \returns current frame index of receiver
@@ -1757,8 +1761,10 @@ class slsDetector : public slsDetectorUtils, public energyConversion {
   string getReceiverUDPPort() {ostringstream ss; ss << thisDetector->receiverUDPPort; string s = ss.str(); return s;};
   /** returns the receiver UDP2 for Eiger IP address \sa sharedSlsDetector  */
   string getReceiverUDPPort2() {ostringstream ss; ss << thisDetector->receiverUDPPort2; string s = ss.str(); return s;};
-  /** returns the zmq port \sa sharedSlsDetector  */
-  string getReceiverStreamingPort() {ostringstream ss; ss << thisDetector->zmqport; string s = ss.str(); return s;};
+  /** returns the client zmq port \sa sharedSlsDetector  */
+  string getClientStreamingPort() {ostringstream ss; ss << thisDetector->zmqport; string s = ss.str(); return s;};
+  /** returns the receiver zmq port \sa sharedSlsDetector  */
+  string getReceiverStreamingPort() {ostringstream ss; ss << thisDetector->receiver_zmqport; string s = ss.str(); return s;};
   /** gets the zmq source ip in client and receiver, returns "none" if default setting and no custom ip set*/
   string getReceiverStreamingSourceIP(){return string(thisDetector->zmqsrcip);};
 
@@ -1776,10 +1782,13 @@ class slsDetector : public slsDetectorUtils, public energyConversion {
   int setReceiverUDPPort(int udpport);
   /** sets the receiver udp port2 for Eiger \sa sharedSlsDetector  */
   int setReceiverUDPPort2(int udpport);
-  /** sets the zmq port in client and receiver (includes "multi" at the end if it should calculate individual ports \sa sharedSlsDetector  */
-  int setReceiverStreamingPort(string port);
+  /** sets the zmq port in client (includes "multi" at the end if it should calculate individual ports \sa sharedSlsDetector  */
+  string setClientStreamingPort(string port);
+  /** sets the zmq port in receiver (includes "multi" at the end if it should calculate individual ports \sa sharedSlsDetector  */
+  string setReceiverStreamingPort(string port);
   /** sets the zmq source ip in client and receiver */
   string setReceiverStreamingSourceIP(string sourceIP);
+
   /** sets the transmission delay for left or right port or for an entire frame*/
   string setDetectorNetworkParameter(networkParameter index, int delay);
 
@@ -1802,8 +1811,8 @@ class slsDetector : public slsDetectorUtils, public energyConversion {
   int setReceiverReadTimer(int time_in_ms=500);
 
   /** Enable or disable streaming data from receiver to client
-   * 	@param enable 0 to disable 1 to enable -1 to only get the value
-   * 	@returns data streaming
+   * @param enable 0 to disable 1 to enable -1 to only get the value
+   * @returns data streaming from receiver enable
   */
   int enableDataStreamingFromReceiver(int enable=-1);
 
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorBase.h b/slsDetectorSoftware/slsDetector/slsDetectorBase.h
index 7d8683fdc..f8a8b4626 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorBase.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorBase.h
@@ -425,7 +425,6 @@ class slsDetectorBase :  public virtual slsDetectorDefs, public virtual errorDef
    */
   int setHighVoltage(int val){return setDAC(val, HV_NEW, 0, -1);}														\
 
-
   /**
      set dacs value
      \param val value
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp b/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
index 2230f602a..82f00b44c 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
@@ -255,13 +255,6 @@ slsDetectorCommand::slsDetectorCommand(slsDetectorUtils *det)  {
    commands to configure detector data structure
 	 */
 
-	/*! \page config
-   - <b> externalgui </b>sets/gets external gui flag. 1 sets and enables the 0MQ data stream (0MQ threads created) from receiver to client, while 0 unsets and disables. \c Returns \c (int)
-	 */
-	descrToFuncMap[i].m_pFuncName="externalgui"; //
-	descrToFuncMap[i].m_pFuncPtr=&slsDetectorCommand::cmdDataStream;
-	++i;
-
 	/*! \page config
    - \b free Free shared memory on the control PC
 	 */
@@ -1902,12 +1895,26 @@ slsDetectorCommand::slsDetectorCommand(slsDetectorUtils *det)  {
 	++i;
 
 	/*! \page network
-   - <b>zmqport [port]</b> sets/gets the 0MQ (TCP) port of the receiver from where data is streamed to the client. Use single-detector command to set individually or multi-detector command to calculate based on \c port for the rest. \c Returns \c (int)
+   - <b>zmqport [port]</b> sets/gets the 0MQ (TCP) port of the client to where final data is streamed to (eg. for GUI). Use single-detector command to set individually or multi-detector command to calculate based on \c port for the rest. \c Returns \c (int)
 	 */
 	descrToFuncMap[i].m_pFuncName="zmqport"; //
 	descrToFuncMap[i].m_pFuncPtr=&slsDetectorCommand::cmdNetworkParameter;
 	++i;
 
+	/*! \page network
+   - <b>rx_zmqport [port]</b> sets/gets the 0MQ (TCP) port of the receiver from where data is streamed from (eg. to GUI or another process for further processing). Use single-detector command to set individually or multi-detector command to calculate based on \c port for the rest. \c Returns \c (int)
+	 */
+	descrToFuncMap[i].m_pFuncName="rx_zmqport"; //
+	descrToFuncMap[i].m_pFuncPtr=&slsDetectorCommand::cmdNetworkParameter;
+	++i;
+
+	/*! \page network
+   - <b> rx_datastream </b>enables/disables data streaming from receiver. 1 enables 0MQ data stream from receiver (creates streamer threads), while 0 disables (destroys streamer threads). \c Returns \c (int)
+	 */
+	descrToFuncMap[i].m_pFuncName="rx_datastream"; //
+	descrToFuncMap[i].m_pFuncPtr=&slsDetectorCommand::cmdDataStream;
+	++i;
+
 	/*! \page network
    - <b>zmqsrcip [ip]</b> sets/gets the 0MQ (TCP) ip of the receiver from where data is streamed to the client. Default is ip of rx_hostname. Use this only with external gui. \c Returns \c (string)
 	 */
@@ -2318,19 +2325,13 @@ string slsDetectorCommand::cmdAcquire(int narg, char *args[], int action) {
 #endif
 
 
+	if (action==HELP_ACTION) {
+		return helpAcquire(narg,args,HELP_ACTION);
+	}
+
 	myDet->setOnline(ONLINE_FLAG);
 	int r_online = myDet->setReceiverOnline(ONLINE_FLAG);
 
-	if ((!myDet->getExternalGuiFlag()) && (r_online == ONLINE_FLAG)) {
-		// command line: must be off, if receiver on or there was -1, then
-		if (myDet->enableDataStreamingFromReceiver(-1) != 0){
-			//switch it off, if error
-			if (myDet->enableDataStreamingFromReceiver(0) != 0) {
-				return string("could not disable data streaming in receiver\n");
-			}
-		}
-	}
-
 	if(myDet->acquire() == FAIL)
 		return string("acquire unsuccessful");
 	if(r_online){
@@ -2495,18 +2496,11 @@ string slsDetectorCommand::cmdDataStream(int narg, char *args[], int action) {
 
 	if (action==PUT_ACTION) {
 		if (!sscanf(args[1],"%d",&ival))
-			return string ("cannot scan externalgui mode");
-		myDet->setExternalGuiFlag(ival>0?true:false);
+			return string ("cannot scan rx_datastream mode");
 		myDet->enableDataStreamingFromReceiver(ival);
 	}
 
-	int retval = myDet->getExternalGuiFlag();
-	//if external gui on and datastreaming off
-	if (retval  && !myDet->enableDataStreamingFromReceiver()) {
-		retval=-1;
-		printf("Error: data streaming in receiver is switched off while external gui flag in shared memory is off.\n");
-	}
-	sprintf(ans,"%d",myDet->getExternalGuiFlag());
+	sprintf(ans,"%d",myDet->enableDataStreamingFromReceiver());
 	return string(ans);
 }
 
@@ -2515,9 +2509,9 @@ string slsDetectorCommand::helpDataStream(int narg, char *args[], int action) {
 
 	ostringstream os;
 	if (action==GET_ACTION || action==HELP_ACTION)
-		os << string("externalgui \t gets external gui flag. 1/0 means the 0MQ data stream (0MQ threads created) from receiver to client is enabled/disabled. -1 for inconsistency. \n");
+		os << string("rx_datastream \t enables/disables data streaming from receiver. 1 is 0MQ data stream from receiver enabled, while 0 is 0MQ disabled. -1 for inconsistency between multiple receivers. \n");
 	if (action==PUT_ACTION || action==HELP_ACTION)
-		os << string("externalgui i\t sets external gui flag. 1/0 means the 0MQ data stream (0MQ threads created) from receiver to client is enabled/disabled. \n");
+		os << string("rx_datastream i\t enables/disables data streaming from receiver. i is 1 enables 0MQ data stream from receiver (creates streamer threads), while 0 disables (destroys streamer threads). \n");
 	return os.str();
 }
 
@@ -3958,6 +3952,12 @@ string slsDetectorCommand::cmdNetworkParameter(int narg, char *args[], int actio
 				return ("cannot parse argument") + string(args[1]);
 		}
 	}else if (cmd=="zmqport") {
+		t=CLIENT_STREAMING_PORT;
+		if (action==PUT_ACTION){
+			if (!(sscanf(args[1],"%d",&i)))
+				return ("cannot parse argument") + string(args[1]);
+		}
+	}else if (cmd=="rx_zmqport") {
 		t=RECEIVER_STREAMING_PORT;
 		if (action==PUT_ACTION){
 			if (!(sscanf(args[1],"%d",&i)))
@@ -3991,7 +3991,8 @@ string slsDetectorCommand::helpNetworkParameter(int narg, char *args[], int acti
 		os << "txndelay_right port \n sets detector transmission delay of the right port"<< std::endl;
 		os << "txndelay_frame port \n sets detector transmission delay of the entire frame"<< std::endl;
 		os << "flowcontrol_10g port \n sets flow control for 10g for eiger"<< std::endl;
-		os << "zmqport port \n sets zmq port (data from receiver to client); setting via multidetector command calculates port for individual detectors"<< std::endl;
+		os << "zmqport port \n sets zmq port (data to client from receiver/different process); setting via multidetector command calculates port for individual detectors"<< std::endl;
+		os << "rx_zmqport port \n sets zmq port (data from receiver to client/different process); setting via multidetector command calculates port for individual detectors"<< std::endl;
 		os << "zmqsrcip ip \n sets/gets the 0MQ (TCP) ip of the receiver from where data is streamed to the client. Default is ip of rx_hostname. Use this only with external gui." << std::endl;
 	}
 	if (action==GET_ACTION || action==HELP_ACTION) {
@@ -4005,7 +4006,8 @@ string slsDetectorCommand::helpNetworkParameter(int narg, char *args[], int acti
 		os << "txndelay_right \n gets detector transmission delay of the right port"<< std::endl;
 		os << "txndelay_frame \n gets detector transmission delay of the entire frame"<< std::endl;
 		os << "flowcontrol_10g \n gets flow control for 10g for eiger"<< std::endl;
-		os << "zmqport \n gets zmq port (data from receiver to client)"<< std::endl;
+		os << "zmqport \n gets zmq port (data to client from receiver/different process)"<< std::endl;
+		os << "rx_zmqport \n gets zmq port (data from receiver to client/different process)"<< std::endl;
 		os << "zmqsrcip \n gets zmq source ip (data from receiver to client), none if default setting and no custom ip" << std::endl;
 	}
 	return os.str();
@@ -5916,33 +5918,14 @@ string slsDetectorCommand::cmdReceiver(int narg, char *args[], int action) {
 
 
 	myDet->setOnline(ONLINE_FLAG);
-	int receivers = myDet->setReceiverOnline(ONLINE_FLAG);
+	myDet->setReceiverOnline(ONLINE_FLAG);
 
 	if(cmd=="receiver"){
 		if (action==PUT_ACTION) {
-			if(!strcasecmp(args[1],"start")) {
-				//to ensure data streaming enable is the same across client and receiver
-				if ((!myDet->getExternalGuiFlag()) && (receivers == ONLINE_FLAG)) {
-					//if it was not off
-					if (myDet->enableDataStreamingFromReceiver(-1) != 0){
-						//switch it off, if error
-						if (myDet->enableDataStreamingFromReceiver(0) != 0) {
-							return string("could not disable data streaming in receiver\n");
-						}
-					}
-					}
+			if(!strcasecmp(args[1],"start"))
 				myDet->startReceiver();
-			}
-			else if(!strcasecmp(args[1],"stop")){
-				//myDet->stopReceiver();
-				// myDet->startReceiverReadout();
-				/*runStatus s = myDet->getReceiverStatus();
-    	  while(s != RUN_FINISHED){
-    		  usleep(50000);
-    		  s = myDet->getReceiverStatus();
-    	  }*/
+			else if(!strcasecmp(args[1],"stop"))
 				myDet->stopReceiver();
-			}
 			else
 				return helpReceiver(narg, args, action);
 		}
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp b/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
index 95d9369ec..c783d349f 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUsers.cpp
@@ -227,6 +227,18 @@ int slsDetectorUsers::enableDataStreamingFromReceiver(int i){
 	return myDetector->enableDataStreamingFromReceiver(i);
 }
 
+int slsDetectorUsers::enableDataStreamingToClient(int i){
+	return myDetector->enableDataStreamingToClient(i);
+}
+
+int slsDetectorUsers::setReceiverDataStreamingOutPort(int i){
+	return myDetector->setReceiverDataStreamingOutPort(i);
+}
+
+int slsDetectorUsers::setClientDataStreamingInPort(int i){
+	return myDetector->setClientDataStreamingInPort(i);
+}
+
 int64_t slsDetectorUsers::getModuleFirmwareVersion(){
 	return myDetector->getModuleFirmwareVersion();
 }
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUsers.h b/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
index ea8011326..dbaa75340 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUsers.h
@@ -439,13 +439,34 @@ class slsDetectorUsers
   virtual void finalizeDataset(double *a, double *v, double *e, int &np); 
 
 
-  /**
-   	 Enable data streaming from receiver (zmq)
-   	 \param i 1 to set, 0 to reset and -1 to get
-   	 \returns data streaming enable
-   */
+  /** Enable or disable streaming data from receiver (creates transmitting sockets)
+   * @param enable 0 to disable 1 to enable -1 to only get the value
+   * @returns data streaming from receiver enable
+  */
    int enableDataStreamingFromReceiver(int i=-1);
 
+   /**
+    * Enable data streaming to client (creates receiving sockets)
+    * @param i 0 to disable, 1 to enable, -1 to get the value
+    * @returns data streaming to client enable
+    */
+   int enableDataStreamingToClient(int i=-1);
+
+   /**
+    * Set/Get receiver streaming out ZMQ port
+    * For multi modules, it calculates (increments) and sets the ports
+    * @param i sets, -1 gets
+    * @returns receiver streaming out ZMQ port ()
+    */
+   int setReceiverDataStreamingOutPort(int i=-1);
+
+   /**
+    * Set/Get client streaming in ZMQ port
+    * For multi modules, it calculates (increments) and sets the ports
+    * @param i sets, -1 gets
+    * @returns client streaming in ZMQ port
+    */
+   int setClientDataStreamingInPort(int i=-1);
 
   /**
      get get Module Firmware Version
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUtils.h b/slsDetectorSoftware/slsDetector/slsDetectorUtils.h
index 1050c9c5b..c5698d3f5 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUtils.h
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUtils.h
@@ -30,6 +30,7 @@ extern "C" {
 #include <queue>
 #include <math.h>
 #include <semaphore.h>
+#include <cstdlib>
 using namespace std;
 
 
@@ -99,7 +100,32 @@ class slsDetectorUtils :  public slsDetectorActions, public postProcessing {
   int enableFlatFieldCorrection(int i=-1) {if (i>0) setFlatFieldCorrectionFile("default"); else if (i==0) setFlatFieldCorrectionFile(""); return getFlatFieldCorrection();};
   int enablePixelMaskCorrection(int i=-1) {if (i>0) setBadChannelCorrection("default"); else if (i==0) setBadChannelCorrection(""); return getBadChannelCorrection();};
   int enableCountRateCorrection(int i=-1) {if (i>0) setRateCorrection(i); else if (i==0) setRateCorrection(0); return getRateCorrection();};
-  // string getFilePath(){return fileIO::getFilePath();};;
+
+
+  /**
+   * Set/Get receiver streaming out ZMQ port
+   * For multi modules, it calculates (increments) and sets the ports
+   * @param i sets, -1 gets
+   * @returns receiver streaming out ZMQ port
+   */
+  int setReceiverDataStreamingOutPort(int i) {										\
+	  if (i >= 0) {	ostringstream ss; ss << i; string s = ss.str();					\
+	  	  	  	  	setNetworkParameter(RECEIVER_STREAMING_PORT, s);}				\
+	  return atoi(getNetworkParameter(RECEIVER_STREAMING_PORT).c_str());};			\
+
+  /**
+   * Set/Get client streaming in ZMQ port
+   * For multi modules, it calculates (increments) and sets the ports
+   * @param i sets, -1 gets
+   * @returns client streaming in ZMQ port
+   */
+  int setClientDataStreamingInPort(int i){											\
+		  if (i >= 0) {	ostringstream ss; ss << i; string s = ss.str();				\
+  	  	  				setNetworkParameter(CLIENT_STREAMING_PORT, s);}				\
+		  return atoi(getNetworkParameter(CLIENT_STREAMING_PORT).c_str());};		\
+
+
+// string getFilePath(){return fileIO::getFilePath();};;
   // string setFilePath(string s){return fileIO::setFilePath(s);};
 
   // string getFileName(){return fileIO::getFileName();};
@@ -760,9 +786,9 @@ virtual ROI* getROI(int &n)=0;
  */
 virtual int setReadReceiverFrequency(int getFromReceiver, int freq=-1)=0;
 
-/** Enable or disable streaming of data from receiver to client
- * 	@param enable 0 to disable 1 to enable -1 to only get the value
- * 	@returns data streaming
+/** Enable or disable streaming data from receiver to client
+ * @param enable 0 to disable 1 to enable -1 to only get the value
+ * @returns data streaming from receiver enable
 */
 virtual int enableDataStreamingFromReceiver(int enable=-1)=0;