Transparent, bridging firewall devices

Thursday, 16 October 2003, 3:44 PM EST

There are many tools we use as network and security professionals to build a secure network. Routers, virtual private networks, intrusion detection systems and vulnerability scanners are regularly employed to tackle this challenging task. Many would agree that the foundation of such a defense is the firewall. While the traditional implementation of a firewall as a router works well in most situations, another version can strengthen existing configurations or succeed where its brethren fail. In this article we will examine the concept of a bridging or transparent firewall which sits in-line with the network it protects.

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