Shoreline Firewall, more commonly known as "
Shorewall", is a high-level tool for configuring Netfilter.
Shorewall can be used on a dedicated firewall system, a multi-function gateway/router/server or on a standalone GNU/Linux system.
Shorewall does not use Netfilter's ipchains compatibility mode; as a consequence,
Shorewall can take advantage of Netfilter's connection state
...Licence : GPL
Take our 
