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# SOCKS Version 5 - Firewall traversal protocol - RFC 1928
# Pattern attributes: good notsofast notsofast
# Protocol groups: networking ietf_proposed_standard
# Wiki: http://www.protocolinfo.org/wiki/SOCKS
# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE
#
# Usually runs on port 1080
# Also useful: http://www.iana.org/assignments/socks-methods
#
# We have had two reports that this pattern works.
# method request, no private methods \x05[\x01-\x08]*
# method reply, assumes sucess \x05[\x01-\x08]?
# method dependent sub-negotiation .*
# request, ipv4 only \x05[\x01-\x03][\x01\x03].*
# reply \x05[\x01-\x08]?[\x01\x03].*
# username/password method
# u/p request, assuming reasonable usernames and passwords
# \x05[\x02-\x10][a-z][a-z0-9\-]*[\x05-\x20][!-~]*
# server reply
# \x05
# GSSAPI method
# client initial token \x01\x01\x02.*
# server reply \x01\x01\x02.*
# any other method .* (all methods boil down to this until we have information
# about all the commonly used ones)
socks
\x05[\x01-\x08]*\x05[\x01-\x08]?.*\x05[\x01-\x03][\x01\x03].*\x05[\x01-\x08]?[\x01\x03]
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