Learn how to keep your network secure without slowing it down or causing latency. Understand everything from unified threat management (UTM) and proxys to purchasing advice and firewall placement.

When I first started using Linux, back in '97, working with the built-in firewall was not something just anyone could do. In fact, it was quite complicated. Starting around 1998, if you want to manage ...

Most devices come with a host based firewall, but is it enough? Learn about this vital layer of security and how it keeps you safe. A host-based firewall is installed and run on a single device, like ...

The Internet is a scary place. Criminals on the Internet have the ability to hide behind their computers, or even other peoples computers, while they attempt to break into your computer to steal ...

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 ...

Four basic types of firewall protection exist--network level, circuit level, application-level and stateful multilayer. Each type has advantages and disadvantages, ranging from ease of implementation ...