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 ...

The technology provides secure remote access to a broad spectrum of applications and network resources Application-layer VPNs are generating lots of attention these days. Proponents cite the ...

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” ...

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 ...

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 ...

AI and cybersecurity have been inextricably linked for many years. The good guys use AI to analyze incoming data packets and help block malicious activity while the bad guys use AI to find and create ...

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.

<i>Redmond</i>'s new Security Advisor drills down the specifics of what should be considered when selecting your next firewall. Welcome to my inaugural Security Advisor column. Like many of you I've ...

A firewall is software or hardware that sits between two networks -- typically, between your LAN and the Internet -- and allows some sorts of network traffic through while preventing others. It works ...

Im running WinXP, and every once and awhile "Application Layer Gateway Service" will try to connect to the internet. My firewall then stops this. What I want to know is what this is, and why it is ...