Shorewall is an iptables-based firewall for Linux Systems. Its configuration is very flexible, allowing it to be used in a wide range of firewall/gateway/router and VPN environments.
License: GNU General Public License v2
Changes:
In addition to correcting several problems, this release offers additional options for handling multiple WAN interfaces as well as providing transparent support for the xtables-addons version of ipp2p.
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