shorewall: Shorewall (IPv4 support package for the Shoreline Firewall) shorewall: shorewall: The Shoreline Firewall, more commonly known as "Shorewall", is a shorewall: Netfilter (iptables) based firewall that can be used on a dedicated shorewall: firewall system, a multi-function gateway/router/server or on a shorewall: standalone GNU/Linux system. shorewall: shorewall: This package provides the IPv4 components for shorewall. shorewall: shorewall: http://www.shorewall.net/ shorewall: