# MSN Messenger - Microsoft Network chat client
# Pattern quality: good veryfast
#
# Usually uses port 1863
# http://www.hypothetic.org/docs/msn/index.php
#
# This pattern has been tested and is believed to work well.  If it does not
# work for you, or you believe it could be improved, please post to 
# l7-filter-developers@lists.sf.net .  This list may be subscribed to at
# http://lists.sourceforge.net/lists/listinfo/l7-filter-developers

msnmessenger
# ver: allow versions up to 99.
# usr (in case ver didn't work):  
^(ver [0-9]+ msnp[1-9][0-9]? [\x09-\x0d -~]* cvr|usr md5 i [ -~]*)