The firewall is one of the most important security features in a computer environment. In the classic sense, a firewall is set up on an appliance, such as a computer that fulfills just a single, ...

This book excerpt is from Chapter 2 of the second edition of Firewalls and Internet Security: Repelling the Wily Hacker . This chapter, titled “A Security Review of Protocols: Lower Layers,” examines ...

Jersey City, NJ, November 25, 2009 - Reviewers have called Comodo's firewall "robust," "flameproof," a "critical security app" and "kick-$*%." The software package protects PCs from viruses and other ...

Other things have changed, too. Today, standalone firewall products are more the exception than the rule. I took a look at five major firewalls on the market today, and almost everything that came my ...

Home computer users and small-business entrepreneurs usually know enough about broadband Internet security to protect their data with a firewall. In most of these cases, a single firewall at a point ...

If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

The Firewalla Gold Pro Security Firewall is like the bouncer on the door of a nightclub. Its job is to stop anything harmful from getting into a network. It also stops risky data from leaving a ...

CyberRatings.org, the independent non-profit organization dedicated to putting confidence into cybersecurity product quality, perhaps can be likened to one of those little “conscience cherubs” who ...

Large companies have significantly improved the security of the network perimeter, but despite their investments in that area, most large networks remain vulnerable at their core. Techniques that have ...

If a recent uptick in cybersecurity threats inspired you to tighten your defenses, power to you. Granted, an intention is only half the battle. The trickiest part of the process is settling on which ...

Our company recently upgrade to a 12Mbit pipe and our hardware firewalls are limiting our speed. So far we have tried two hardware firealls the Cisco pix 501 and the 3Com 25/100(user) DMZ ...