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 ...

Floodgate-Packet Filter is an embedded firewall from Icon Labs that allows networked devices to control the packets they process. It protects against potentially malicious attacks by filtering packets ...

Hardware Firewalls are mostly seen in broadband modems, and are the first line of defense, using Packet Filtering. Before an Internet packet reaches your PC, the Hardware Firewall will monitor the ...

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 ...

With cybercrime taking the enterprise ecosystem by storm, the issue of securing a network infrastructure along with restricting employee access to unwanted internet resources is a top-of-mind priority ...

When you hear of the term firewall, you might believe there is only a single type, but that is not the case. There are different types of firewalls, and luckily for you, this is something we aim to ...

When I started writing this column in autumn of 2000, I had the day job of firewall engineer. I enjoyed that type of work, but I was enough of a big-picture kind of guy to be aware that every year, ...

I'm a real newbie to firewalls but need to learn about them. When comparing products I keep seeing these two terms used, but I don't understand what they mean--what is the firewall actually ...