http://www.macnn.com/articles/02/03/01/firewalk.x/
Firewalk X 2.0: firewall software package
updated 09:05 am EST, Fri March 1, 2002
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Firewalk X 2.0 is a $35 firewall software package offering the ability to restrict network access by appliction, IP, user, and traffic-type. Firewall rules can apply to IP addresses and ports, both destination and source, subnets, port ranges, incoming and outgoing traffic, and specific devices. It is fully compatible with the system's built-in firewall system. [download available again as of 3:45 pm]
