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

A firewall is often the heart and soul of desktop security. With a firewall, you can block or allow traffic in and/or out of your computer. Of course, it’s the incoming traffic that you need to be ...

A stateless firewall is an efficient, low-maintenance way to screen lots of network traffic quickly — but there are a few important drawbacks. In networking, “state” refers to the context or session ...

Understanding what firewalls do (and don’t do) takes just a few minutes. Learn what a firewall does to keep intruders out in A firewall is a security protocol that protects your internal network from ...

We've tested all the best firewall software and ranked them here to help you choose the best protection.

Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. A firewall is an essential security tool for ...