diff --git a/etc/loopback.conf b/etc/loopback.conf
index 09c8945dd..a1955ee7d 100644
--- a/etc/loopback.conf
+++ b/etc/loopback.conf
@@ -55,11 +55,11 @@ nodes = {
 		layer = "udp",
 
 		in = {
-			address = "*:12000",			# Local ip:port, use '*' for random port
+			address = "127.0.0.1:12000"			# Local ip:port, use '*' for random port
 		}
-
 		out = {
-			address = "127.0.0.1:12001",
+			address = "127.0.0.1:12001"
+
 			netem = {
 				enabled = false,
 				delay = 1000000,		# In micro seconds!
@@ -72,20 +72,20 @@ nodes = {
 		type = "socket",
 		layer = "udp",
 		in = {
-			address = "*:12001",			# Local ip:port, use '*' for random port
+			address = "127.0.0.1:12001"			# Local ip:port, use '*' for random port
 		}
 		out = {
-			address = "127.0.0.1:12002",
+			address = "127.0.0.1:12002"
 		}
 	},
 	node3 = {
 		type = "socket",
 		layer = "udp",
 		in = {
-			address = "*:12002",			# Local ip:port, use '*' for random port
+			address = "127.0.0.1:12002"			# Local ip:port, use '*' for random port
 		}
 		out = {
-			address = "127.0.0.1:12000",
+			address = "127.0.0.1:12000"
 		}
 	},
 	loopback = {