Shorewall (Iptables Made Easy)

The Shoreline Firewall, more commonly known as "Shorewall", is a 
Netfilter (iptables) based firewall that can be used on a dedicated
firewall system, a multi-function gateway/router/server or on a 
standalone GNU/Linux system.

Common files for the shorewall firewall compilers
You will need at least one of the compiler packages (shorewall-perl 
or shorewall-shell) to use shorewall.
