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Diffstat (limited to 'package/iptables/files/l7/irc.pat')
| -rw-r--r-- | package/iptables/files/l7/irc.pat | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/package/iptables/files/l7/irc.pat b/package/iptables/files/l7/irc.pat new file mode 100644 index 0000000000..6643f6c2f7 --- /dev/null +++ b/package/iptables/files/l7/irc.pat @@ -0,0 +1,20 @@ +# IRC - Internet Relay Chat - RFC 1459 +# Pattern quality: good veryfast +# +# Usually runs on port 6666 or 6667 +# Note that chat traffic runs on these ports, but IRC-DCC traffic (which +# can use much more bandwidth) uses a dynamically assigned port, so you +# must have the IRC connection tracking module in your kernel to classify +# this. +# +# 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 + +irc +# First thing that happens is that the client sends NICK and USER, in +# either order. This allows MIRC color codes (\x02-\x0d instead of +# \x09-\x0d). +^(nick[\x09-\x0d -~]*user[\x09-\x0d -~]*:|user[\x09-\x0d -~]*:[\x02-\x0d -~]*nick[\x09-\x0d -~]*\x0d\x0a) + |