Network firewalls were created as the primary perimeter defense for most organizations, but since its creation the technology has spawned many iterations: proxy, stateful, Web app, next-generation ...

Touted as "the open source firewall," you'd expect T.REX Firewall to be completely open source. But for the latest release of the product (version 2), no source is available. The firewall itself is a ...

Learn how firewalls have progressed from simple packet filtering to more sophisticated application-level filtering. Webopedia.com defines a firewall as “a system designed to prevent unauthorized ...

If you're upgrading your firewall, or installing one on your network for the first time, you'll discover that firewall technology has changed a lot in the last several years. How do you select one ...

Shopping for an enterprise firewall can be intimidating if you’ve never done it before. However, with a little background knowledge, an understanding of firewall features, and knowing what questions ...

Editor’s note: This is a summary of our testing of this product, for a full rundown of how it fared in our testing across 10 UTM categories, please see our full coverage. The Sidewinder 2150D is a ...

The use of a multi-layer dual firewall topology is relatively new in network security, but it is rapidly gaining in popularity. In many respects, a dual firewall topology is similar to that of an ...

Due to consolidation in the firewall industry as well as development of next-generation firewalls, it is possible today for the network security designer to acquire a bundled multi-layer dual firewall ...