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 ...

Using a packet filter firewall that inspects packets only up to layer 4 of the OSI model as your first firewall and a firewall that inspects all seven layers of the OSI model as your second firewall ...

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 ...

Traditional firewalls can’t stop modern DDoS attacks. Learn why high-volume, multi-layer attacks overwhelm perimeter defenses—and how to build real DDoS resilience.

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 ...

The complex and ever-changing security landscape can befuddle small businesses, and the plain truth is that there is no silver security bullet. Small businesses would be well-advised to deploy a multi ...

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 ...

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 ...

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 use of a multi-layer dual firewall topology is relatively new in network security, but it is rapidly gaining in popularity. In many respects, a dual firewall topology is similar to that of an ...