1# Ident - Identification Protocol - RFC 1413 2# Pattern attributes: good fast fast 3# Protocol groups: networking ietf_proposed_standard 4# Wiki: http://www.protocolinfo.org/wiki/Ident 5# 6# Usually runs on port 113 7# 8# This pattern is believed to work. 9 10ident 11# "number , numberCRLF" possibly without the CR and/or LF. 12# ^$ is appropriate because the first packet should never have anything 13# else in it. 14^[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])?$ 15