[package] firewall:

[package] firewall:
	- allow multiple ports, protocols, macs, icmp types per rule
	- implement "limit" and "limit_burst" options for rules
	- implement "extra" option to rules and redirects for passing arbritary flags to iptables
	- implement negations for "src_port", "dest_port", "src_dport", "src_mac", "proto" and "icmp_type" options
	- allow wildcard (*) "src" and "dest" options in rules to allow specifying "any" source or destination
	- validate symbolic icmp-type names against the selected iptables binary
	- properly handle forwarded ICMPv6 traffic in the default configuration

SVN-Revision: 27317