Lokkit is an attempt to provide firewalling for the average Linux end user. Instead of having to configure firewall rules the Lokkit program asks a small number of simple questions and writes a firewall rule set for you. Lokkit is not designed to configure arbitary firewalls. To make it simple to understand it is solely designed to handle typical dialup user and cable modem setups. It is not the answer to a complex firewall configuration, and it is not the equal of an expert firewall designer (Official Site).
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