ZDNet

Yes, you need a firewall on Linux - here's why and which to use

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.
ZDNet

How to manage your Linux firewall the easy way - without touching the terminal

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 ...
Ars Technica

Creating and Securing a Linux Firewall / Router using RH 7.0

Now, I know there are websites out there that can give me general information, but there are bound to be people out there who have had some obscure problems with this same issue.<P>What I want to do ...
TechRepublic

How to set a static IP in Rocky Linux

Jack Wallen shows you how easy it is to set a static IP in Rocky Linux 9 from the terminal. Image: alexskopje/Adobe Stock Rocky Linux 9 is a brilliant server operating system that comes from the man ...