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