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 ...

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 ...

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 ...

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 ...

With the whole of the networking worldmoving toward inhabiting a single global village, we inevitablyhave to start thinking about locking our doors and bolting ourwindows. It has to be recognized that ...

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 ...

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 ...