diff --git a/mp3/config.txt b/mp3/config.txt
index c279cbab78ae8d978d13bd8cddd0fd27292a88f5..6c31f5bb0267e9ba9118c510b1ba031f3d5c0fa2 100644
--- a/mp3/config.txt
+++ b/mp3/config.txt
@@ -4,12 +4,11 @@ C sp25-cs425-0603.cs.illinois.edu 1234
 D sp25-cs425-0604.cs.illinois.edu 1234
 E sp25-cs425-0605.cs.illinois.edu 1234
 
-
-A localhost 1000
-B localhost 1001
-C localhost 1002
-D localhost 1003
-E localhost 1004
+A 127.0.0.1 2005
+B 127.0.0.1 2006
+C 127.0.0.1 2007
+D 127.0.0.1 2008
+E 127.0.0.1 2009
 
 go run ./Client/client.go abcd config_test.txt
 go run ./Server/server.go A config_test.txt
\ No newline at end of file
diff --git a/mp3/config_test.txt b/mp3/config_test.txt
index 65e28db7a53e6595b4d0c902c13a6a81a3a18b09..a3b8b36bfc6d5c124ac6fbbaba92d019d90d7fed 100644
--- a/mp3/config_test.txt
+++ b/mp3/config_test.txt
@@ -1 +1,5 @@
-A sp25-cs425-0601.cs.illinois.edu 1234
\ No newline at end of file
+A 127.0.0.1 2005
+B 127.0.0.1 2006
+C 127.0.0.1 2007
+D 127.0.0.1 2008
+E 127.0.0.1 2009
\ No newline at end of file