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 ...

A web application firewall (WAF) is needed to protect web applications and APIs from cyber threats like SQL injection, cross-site scripting, and other malicious attacks. With cyberattacks on web ...

At first glance, stateful packet filtering appears to have conquered the firewall world, both in terms of market share and mind share. The list of products based on stateful packet filtering is a long ...

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 ...

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 ...

This chapter introduces the reader to firewall load-balancing (FWLB) concepts, technology, and designs. We will talk about motivations behind FWLB solutions, different types of firewalls, and how to ...

It is as if the application level attack did not exist. The only potential for risk mitigation is in the second firewall's application proxy. As far as the attacker is concerned during an application ...

The buzz about Web services has turned to discussions about the added security risks they pose. According to Gartner, Web services is about “moving application integration into firewall-evading ...

Learn how to keep your network secure without slowing it down or causing latency. Understand everything from unified threat management (UTM) and proxys to purchasing advice and firewall placement.

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 ...