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.

Linux firewalls can be very complicated. With the help of a GUI, firewall configuration is easier. These GUIs are easy to install and free to use. A firewall is often the heart and soul of desktop ...

In January 2000, Check Point Software introduced a Linux port of its flagship product, FireWall-1. FireWall-1 is one of the best-selling products in the commercial firewall market. It now runs on five ...

The ufw (uncomplicated firewall) represents a serious simplification to iptables and, in the years that it’s been available, has become the default firewall on systems such as Ubuntu and Debian. And, ...

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 ...

In today's open source roundup: Six GUI firewall management applications in Linux. Plus: Linux Lite 2.2 released, and the story of how Kali Linux was created The command line is a powerful tool for ...

After using several security tools on Windows, I'm convinced the built-in firewall is solid. Despite this, it doesn't feel like something made for me. Even though it runs quietly, is rarely in your ...

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, ...

A security researcher has found flaws with two of PureVPN's Linux clients The impacted apps may leak IPv6 traffic under certain circumstances and interfere with local firewall settings PureVPN has ...