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 ...

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 ...

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 ...