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 ...

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 ...

Firewalls monitor and regulate the data moving on and off your computer or network. They can keep criminals out while allowing legitimate network traffic in. Mac OS X comes with not one but two ...

Every organization that connects its network to the Internet needs a firewall to protect against intrusions and attacks from "out there." And today's security vendors make firewall products to fit ...

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 ...

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 ...

The humble firewall has come a long way since the packet-filtering days of yore. The first firewalls were developed by the Digital Equipment Corporation (DEC) back in the late 1980s. These early ...

A next-generation firewall analyses network traffic and allows or denies traffic transit depending on set firewall policies based on traffic characteristics. Next-generation firewalls can read data ...