The latest Internet defense technology – deep packet inspection firewalls – is being touted as the best line of defense against worms that can sneak past earlier technology to wreak havoc in corporate ...

A hot new trend in firewalls is the application-layer firewall, sometimes called an application shield. Although the attack sequences we used in this roundup could be described as “application layer” ...

Myra Suggs explains what a Web Application Firewall (WAF) is, why your business needs one and how they're different to other ...

In the world of the Linux operating system and open source software, the iptables firewall provides a full featured and stable packet filtering infrastructure. Commercial-grade capabilities such as ...

There’s a whole group of vendors looking to ease the installation of IP VPNs by supporting application layer technology. Companies such as Neoteris, NetSilica and Netilla Networks (the author of this ...

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.

In a business environment dominated by cloud computing, mobility and Web-based applications, enterprises need smarter, application-aware networks to ensure performance. But while application awareness ...

Traditional firewalls can’t stop modern DDoS attacks. Learn why high-volume, multi-layer attacks overwhelm perimeter defenses—and how to build real DDoS resilience.

A web application firewall (WAF) is a critical component of an enterprise security infrastructure, providing a key security layer for web-facing applications and APIs. As web applications mature and ...