This article is a basic introduction to firewalls. "Firewalls are an important part of an infrastructure-based security approach. Generally speaking, a firewall is a computer or a network appliance that runs special software that lets network traffic (in the case . . .
This article is a basic introduction to firewalls. "Firewalls are an important part of an infrastructure-based security approach. Generally speaking, a firewall is a computer or a network appliance that runs special software that lets network traffic (in the case of the Internet, TCP/IP packets) be filtered on both the incoming and the outgoing paths." It talks briefly about Check Point, Axent, Rebel.com and the Netwinder, and a few others.

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