diff options
Diffstat (limited to 'package/iptables/files/l7/msnmessenger.pat')
-rw-r--r-- | package/iptables/files/l7/msnmessenger.pat | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/package/iptables/files/l7/msnmessenger.pat b/package/iptables/files/l7/msnmessenger.pat index e07f71f311..41f107555a 100644 --- a/package/iptables/files/l7/msnmessenger.pat +++ b/package/iptables/files/l7/msnmessenger.pat @@ -1,15 +1,27 @@ # MSN Messenger - Microsoft Network chat client -# Pattern quality: good veryfast +# Pattern attributes: good slow notsofast +# Protocol groups: chat proprietary +# Wiki: http://www.protocolinfo.org/wiki/MSN_Messenger # -# Usually uses port 1863 +# Usually uses TCP port 1863 # http://www.hypothetic.org/docs/msn/index.php +# http://msnpiki.msnfanatic.com/ # -# 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 +# This pattern has been tested and is believed to work well. 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 [ -~]*) + +# First branch: login +# ver: allow versions up to 99. +# I've never seen a cvr other than cvr0. Maybe this will be trouble later? +# Can't anchor at the beginning because sometimes this is encapsulated in +# HTTP. But either way, the first packet ends like this. +# Second/Third branches: accepting/sending a message +# I will assume that these can also be encapsulated in HTTP, although I have +# not checked. Example of each direction: +# ANS 1 quadong@hotmail.com 1139803431.29427 17522047 +# USR 1 quadong@hotmail.com 530423708.968145.366138 + +# Branches are written entirely separately for better performance. +ver [0-9]+ msnp[1-9][0-9]? [\x09-\x0d -~]*cvr0\x0d\x0a$|usr 1 [!-~]+ [0-9. ]+\x0d\x0a$|ans 1 [!-~]+ [0-9. ]+\x0d\x0a$ + |