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openwrt-xburst/package/iptables/files/l7/ident.pat
hauke 398b94811b [iptables] Update layer7 rules
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15544 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-05-01 15:20:34 +00:00

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# Ident - Identification Protocol - RFC 1413
# Pattern attributes: good fast fast
# Protocol groups: networking ietf_proposed_standard
# Wiki: http://www.protocolinfo.org/wiki/Ident
# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE
#
# Usually runs on port 113
#
# This pattern is believed to work.
ident
# "number , numberCRLF" possibly without the CR and/or LF.
# ^$ is appropriate because the first packet should never have anything
# else in it.
^[1-9][0-9]?[0-9]?[0-9]?[0-9]?[\x09-\x0d]*,[\x09-\x0d]*[1-9][0-9]?[0-9]?[0-9]?[0-9]?(\x0d\x0a|[\x0d\x0a])?$