shorewall-core: Shorewall-core (Iptables Made Easy) shorewall-core: shorewall-core: The Shoreline Firewall, more commonly known as "Shorewall", shorewall-core: is a Netfilter (iptables) based firewall that can be used on shorewall-core: a dedicated firewall system, a multi-function gateway / shorewall-core: router / server, or on a standalone GNU/Linux system. shorewall-core: This package contains common files required by both the shorewall-core: shorewall and shorewall6 components of Shorewall. shorewall-core: shorewall-core: http://www.shorewall.net shorewall-core: