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 ...

Connecting your network to the Internet without a firewall is like leaving the front door of your office wide open when you leave on vacation. Chances are high that someone will eventually walk in and ...

Hopefully this primer on Stateful Packet-Filtering Firewalls and the Cisco PIX appliance has been helpful to you. This entry, along with my earlier entry is meant to focus your studies with regard to ...

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 ...

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 ...

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 ...

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 ...

Firewalls act as gatekeepers that regulate data flow between internal and external networks based on security rules, while ...

Kazaa is the most popular file-sharing application in use today. Applications like it are known as peer-to-peer, or P2P, and allow users to search for and download files from each other. Kazaa ...

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 ...