diff --git a/slsDetectorSoftware/src/Module.cpp b/slsDetectorSoftware/src/Module.cpp
index ef2c1633c..596ce25de 100644
--- a/slsDetectorSoftware/src/Module.cpp
+++ b/slsDetectorSoftware/src/Module.cpp
@@ -1021,6 +1021,10 @@ void Module::setDestinationUDPIP(const IpAddr ip) {
     if (ip == 0) {
         throw RuntimeError("Invalid destination udp ip address");
     }
+    if (ip.str() == LOCALHOST_IP) {
+        throw RuntimeError("Invalid destination udp ip. Change rx_hostname "
+                           "from localhost or change udp_dstip from auto?");
+    }
     sendToDetector(F_SET_DEST_UDP_IP, ip, nullptr);
     if (shm()->useReceiverFlag) {
         sls::MacAddr retval(0LU);
@@ -1040,7 +1044,10 @@ void Module::setDestinationUDPIP2(const IpAddr ip) {
     if (ip == 0) {
         throw RuntimeError("Invalid destination udp ip address2");
     }
-
+    if (ip.str() == LOCALHOST_IP) {
+        throw RuntimeError("Invalid destination udp ip. Change rx_hostname "
+                           "from localhost or change udp_dstip from auto?");
+    }
     sendToDetector(F_SET_DEST_UDP_IP2, ip, nullptr);
     if (shm()->useReceiverFlag) {
         sls::MacAddr retval(0LU);
@@ -3330,9 +3337,9 @@ sls_detector_module Module::interpolateTrim(sls_detector_module *a,
             dacs_to_copy.end(),
             {E_SVP, E_SVN, E_VTGSTV, E_RXB_RB, E_RXB_LB, E_VCN, E_VIS});
         // interpolate vrf, vcmp, vcp
-        dacs_to_interpolate.insert(
-            dacs_to_interpolate.end(),
-            {E_VTR, E_VRF, E_VCMP_LL, E_VCMP_LR, E_VCMP_RL, E_VCMP_RR, E_VCP, E_VRS});
+        dacs_to_interpolate.insert(dacs_to_interpolate.end(),
+                                   {E_VTR, E_VRF, E_VCMP_LL, E_VCMP_LR,
+                                    E_VCMP_RL, E_VCMP_RR, E_VCP, E_VRS});
     } else {
         dacs_to_copy.insert(dacs_to_copy.end(),
                             {M_VCASSH, M_VRSHAPER, M_VRSHAPER_N, M_VIPRE_OUT,
diff --git a/slsReceiverSoftware/src/ClientInterface.cpp b/slsReceiverSoftware/src/ClientInterface.cpp
index 44677a8f6..55979eeec 100644
--- a/slsReceiverSoftware/src/ClientInterface.cpp
+++ b/slsReceiverSoftware/src/ClientInterface.cpp
@@ -1388,6 +1388,10 @@ int ClientInterface::set_read_n_rows(Interface &socket) {
 }
 
 sls::MacAddr ClientInterface::setUdpIp(sls::IpAddr arg) {
+    if (arg.str() == LOCALHOST_IP) {
+        throw RuntimeError("Invalid destination udp ip. Change rx_hostname "
+                           "from localhost or change udp_dstip from auto?");
+    }
     LOG(logINFO) << "Received UDP IP: " << arg;
     // getting eth
     std::string eth = sls::IpToInterfaceName(arg.str());
@@ -1426,6 +1430,10 @@ int ClientInterface::set_udp_ip(Interface &socket) {
 }
 
 sls::MacAddr ClientInterface::setUdpIp2(sls::IpAddr arg) {
+    if (arg.str() == LOCALHOST_IP) {
+        throw RuntimeError("Invalid destination udp ip. Change rx_hostname "
+                           "from localhost or change udp_dstip from auto?");
+    }
     LOG(logINFO) << "Received UDP IP2: " << arg;
     // getting eth
     std::string eth = sls::IpToInterfaceName(arg.str());
diff --git a/slsSupportLib/include/sls/sls_detector_defs.h b/slsSupportLib/include/sls/sls_detector_defs.h
index 06203310f..b4ceced11 100644
--- a/slsSupportLib/include/sls/sls_detector_defs.h
+++ b/slsSupportLib/include/sls/sls_detector_defs.h
@@ -65,6 +65,8 @@
 #define DEFAULT_DET_MAC2 "00:aa:bb:cc:dd:ff"
 #define DEFAULT_DET_IP2  "129.129.202.46"
 
+#define LOCALHOST_IP "127.0.0.1"
+
 /** default maximum string length */
 #define MAX_STR_LENGTH   1000
 #define SHORT_STR_LENGTH 20
@@ -564,7 +566,7 @@ enum streamingInterface {
 #ifdef __cplusplus
 };
 
-//operators needed in ToString
+// operators needed in ToString
 inline slsDetectorDefs::streamingInterface
 operator|(const slsDetectorDefs::streamingInterface &a,
           const slsDetectorDefs::streamingInterface &b) {
@@ -579,8 +581,6 @@ operator&(const slsDetectorDefs::streamingInterface &a,
                                                static_cast<int32_t>(b));
 };
 
-
-
 #endif
 
 #ifdef __cplusplus