The Shoreline Firewall, is high-level tool for configuring Netfilter.\\ \\ Shorewall allows for central administration of multiple IPv4 firewalls\\ through use of Shorewall lite. The full Shorewall product is installed\\ on a central administrative system where compiled Shorewall scripts are\\ generated. These scripts are copied to the firewall systems where they\\ run under the control of Shorewall-lite.\\ \\ Note: This is the IPv4 implementation of Shorewall.\\ \\