Stateful firewalls, like the PIX sound pretty impressive, and they are but they are not without their drawbacks as well. They do offer speed and transparency but remember, a packet has to make its way ...

When deciding on a firewall implementation, most Unix-savvy administrators have usually chosen to use ipfilter on OpenBSD for their combination of capabilities and stability, as the capabilities of ...

Security continues to be the biggest concern for IT managers and, in turn, design engineers developing firewall systems. With more viruses popping up and hackers attacking more often, corporations are ...

Mike Chapple is associate teaching professor of IT, analytics and operations at the University of Notre Dame. "Advanced persistent threat" are three words that keep IT security professionals up at ...

<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 ...

Four basic types of firewall protection exist--network level, circuit level, application-level and stateful multilayer. Each type has advantages and disadvantages, ranging from ease of implementation ...

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 ...

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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...