Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.

What Is a Host Based Firewall and Is it Secure Enough? Your email has been sent Most devices come with a host based firewall, but is it enough? Learn about this vital ...

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...

Do you like fiddling with computers and fancy the idea of taking on a more advanced project? Then I have a suggestion: Build your own router/firewall. With a router running a more advanced operating ...

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 ...

Network firewalls were created as the primary perimeter defense for most organizations, but since its creation the technology has spawned many iterations: proxy, stateful, Web app, next-generation ...

Stories of compromised servers and data theft fill today's news. It isn't difficult for someone who has read an informative blog post to access a system via a misconfigured service, take advantage of ...

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 ...

A firewall is every bit as critical to security as an anti-virus program. Firewalls stop malware from spreading to a network and defend against hackers attempting to infiltrate a targeted system.

Do note that you have to launch Windows PowerShell as an administrator, otherwise, the commands will not execute and you will receive an error in PowerShell. Let’s ...