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 ...

Firewall architectures have been changing for 35 years, sometimes to accommodate better technology and hardware, but just as ...

What Does a Firewall Do To Protect My Home Network Your email has been sent Understanding what firewalls do (and don't do) takes just a few minutes. Learn what a firewall does to keep intruders out in ...

If one was to ask a group of strangers on the street to name some of the most popular computer security tools, one of the first things that would pop into their minds is firewalls. Though other ...

A firewall is software or hardware that sits between two networks -- typically, between your LAN and the Internet -- and allows some sorts of network traffic through while preventing others. It works ...

To defend against data loss and theft, companies need as much protection as possible from external threats. Hardware and software firewalls prevent malicious traffic from reaching computers connected ...

Firewalls act as gatekeepers that regulate data flow between internal and external networks based on security rules, while antivirus tools detect malicious activity in a computer or network system ...

Why waste money on an enterprise firewall when you can build your own from old PC parts?