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 ...

What is firewall and what are its benefits is a question that is often asked by companies. A firewall is a computer network security device that limits internet traffic entering, leaving, and moving ...

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 ...

One of the most useful tools in firewall engineering today is the DMZ, or DeMilitarized Zone, a network where all publicly accessible services are placed so they can be more closely watched and, also, ...

When I started writing this column in autumn of 2000, I had the day job of firewall engineer. I enjoyed that type of work, but I was enough of a big-picture kind of guy to be aware that every year, ...

PLANO, TEXAS / ACCESS Newswire / December 10, 2025 / Intrusion Inc. (NASDAQ:INTZ) (“Intrusion” or the “Company”), a leader in cyberattack prevention solutions, announced today the general availability ...

The firewall is one of the most well-known pieces of cyber security technology. Even a layperson will have a basic understanding of a firewall, and this is in part due to its prominence in Hollywood ...

Metamako, the acknowledged leader in the low-latency, FPGA-enabled network solutions space, has now entered the security space with the announcement of its MetaProtect Firewall solution. The powerful ...

Sophos’s Xstream Architecture for XG Firewall is a new streaming packet process that provides extreme levels of protection and performance. The early access programme (EAP) 1 will provide Sophos users ...