1# IRC - Internet Relay Chat - RFC 1459 2# Pattern attributes: great veryfast fast 3# Protocol groups: chat ietf_proposed_standard 4# Wiki: http://www.protocolinfo.org/wiki/IRC 5# 6# Usually runs on port 6666 or 6667 7# Note that chat traffic runs on these ports, but IRC-DCC traffic (which 8# can use much more bandwidth) uses a dynamically assigned port, so you 9# must have the IRC connection tracking module in your kernel to classify 10# this. 11# 12# This pattern has been tested and is believed to work well. 13 14irc 15# First thing that happens is that the client sends NICK and USER, in 16# either order. This allows MIRC color codes (\x02-\x0d instead of 17# \x09-\x0d). 18^(nick[\x09-\x0d -~]*user[\x09-\x0d -~]*:|user[\x09-\x0d -~]*:[\x02-\x0d -~]*nick[\x09-\x0d -~]*\x0d\x0a) 19 20