1 # MSN Messenger - Microsoft Network chat client
2 # Pattern quality: good veryfast
4 # Usually uses port 1863
5 # http://www.hypothetic.org/docs/msn/index.php
7 # This pattern has been tested and is believed to work well. If it does not
8 # work for you, or you believe it could be improved, please post to
9 # l7-filter-developers@lists.sf.net . This list may be subscribed to at
10 # http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
13 # ver: allow versions up to 99.
14 # usr (in case ver didn't work):
15 ^(ver [0-9]+ msnp[1-9][0-9]? [\x09-\x0d -~]* cvr|usr md5 i [ -~]*)