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Diffstat (limited to 'package/iptables/files/l7/aim.pat')
| -rw-r--r-- | package/iptables/files/l7/aim.pat | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/package/iptables/files/l7/aim.pat b/package/iptables/files/l7/aim.pat new file mode 100644 index 0000000000..9768dbbdc8 --- /dev/null +++ b/package/iptables/files/l7/aim.pat @@ -0,0 +1,27 @@ +# AIM - AOL instant messenger (OSCAR and TOC) +# Pattern quality: good notsofast +# Usually runs on port 5190 +# +# This may also match ICQ traffic. +# +# 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 + +aim +# See http://gridley.acns.carleton.edu/~straitm/final (and various other places) +# The first bit matches OSCAR signon and data commands, but not sure what +# \x03\x0b matches, but it works apparently. +# The next three bits match various parts of the TOC signon process. +# The third one is the magic number "*", then 0x01 for "signon", then up to four +# bytes ("up to" because l7-filter strips out nulls) which contain a sequence +# number (2 bytes) the data length (2 more) and 3 nulls (which don't count), +# then 0x01 for the version number (not sure if there ever has been another +# version) +# The fourth one is a command string, followed by some stuff, then the +# beginning of the "roasted" password + +# This pattern is too slow! + +^(\*[\x01\x02].*\x03\x0b|\*\x01.?.?.?.?\x01)|flapon|toc_signon.*0x |