diff --git a/UDP-client-server.py b/UDP-client-server.py
index 8d1f6f667e8d138837b8657a2c6e2f644329a51c..527ae9051bf51fe98077934cb6c8268a7c3572f3 100644
--- a/UDP-client-server.py
+++ b/UDP-client-server.py
@@ -7,16 +7,16 @@ from array import *
 
 #DEFINE INPUTS HERE
 #CLIENT - SENDER
-UDP_DEST_IP = '::1'             # IP ADDRESS TO SEND DATAGRAMS TO  (v4 or v6)
-#UDP_DEST_IP = '0.0.0.0'             # IP ADDRESS TO SEND DATAGRAMS TO  (v4 or v6)
+#UDP_DEST_IP = '::1'             # IP ADDRESS TO SEND DATAGRAMS TO  (v4 or v6)
+UDP_DEST_IP = '0.0.0.0'             # IP ADDRESS TO SEND DATAGRAMS TO  (v4 or v6)
 UDP_DEST_PORT = 15005           # IP PORT TO SEND DATAGRAMS TO
 PACKET_SIZE = 200               # DATAGRAM SIZE IN BYTES
 NR_OF_PACKETS = 100              # TOTAL NR. OF PACKETS TO SEND
 PACKETS_PER_SEC = 100           # PACKETS PER SECOND
 
 # CLIENT - RECEIVER
-UDP_RECEIVE_IP = '::1'          # LISTENING IP ADDRESS (v6)
-#UDP_RECEIVE_IP = '0.0.0.0'   # LISTENING IP ADDRESS (v4)
+#UDP_RECEIVE_IP = '::1'          # LISTENING IP ADDRESS (v6)
+UDP_RECEIVE_IP = '0.0.0.0'   # LISTENING IP ADDRESS (v4)
 UDP_RECEIVE_PORT = 55555        # IP PORT TO LISTEN FOR INCOMING PACKETS
 BUFFER = 4096
 
diff --git a/UDP-reflector.py b/UDP-reflector.py
old mode 100644
new mode 100755
index 42c1465495014ebd3627c0468c7ae083c7baeb24..2743cb933fe268cc217eb03ed4a0b16ea68a304b
--- a/UDP-reflector.py
+++ b/UDP-reflector.py
@@ -3,8 +3,8 @@ import time
 #import sys
 
 #DEFINE INPUTS HERE
-REFLECTOR_HOST = '::1'  # IP ADDRESS FOR LISTENING (v6)
-#REFLECTOR_HOST = '0.0.0.0'  # IP ADDRESS FOR LISTENING (v4)
+#REFLECTOR_HOST = '::1'  # IP ADDRESS FOR LISTENING (v6)
+REFLECTOR_HOST = '0.0.0.0'  # IP ADDRESS FOR LISTENING (v4)
 REFLECTOR_PORT = 15005  # IP PORT TO LISTEN TO
 REMOTE_PORT = 55555     # REMOTE PORT TO REFLECT PACKETS TO
 REFLECT_SWITCH = 1      # REFLECTION ENABLED:1 (TWO-WAY DELAY),