If you use KDE Plasma on Fedora, you should consider switching to this firewall GUI, especially if you’re new to Linux.

The risk of hacking attacks and network intrusions are facts of life for everyone who ventures online. Your system's firewall and its intrusion detection system both work to protect you against such ...

Out of the box, Linux is a highly secure operating system, but does that mean you can get by without a bit of help? Let's find out. I’ve been using Linux for nearly 30 years. Over those years, I’ve ...

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 ...

Mick Bauer introduced Firewall Builder to Linux Journal readers in 2003 with his article “Using Firewall Builder”. A lot of time has passed since 2003, the project has evolved, the appearance of the ...

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 ...

Mac OS X comes with a built-in firewall service that can be used to protect your Mac from online security risks. The firewall sits between OS X and the internet and only allows incoming traffic to ...

We’re frequently asked what firewall ports need to be opened and what protocols are communicated between servers in a System Center Operations Manager envrionment. This gets a little more detailed ...