tcrules

sharewall is very good

#
# Shorewall version 4 - Tcrules File
#
# For information about entries in this file, type "man shorewall-tcrules"
#
# See http://shorewall.net/traffic_shaping.htm for additional information.
# For usage in selecting among multiple ISPs, see
# http://shorewall.net/MultiISP.html
#
# See http://shorewall.net/PacketMarking.html for a detailed description of
# the Netfilter/Shorewall packet marking mechanism.
######################################################################################################################
#MARK	SOURCE		DEST		PROTO	DEST	SOURCE	USER	TEST	LENGTH	TOS   CONNBYTES		HELPER
#						PORT(S)	PORT(S)
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE