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.

Palo Alto Networks has updated its firewall operating system with quantum-ready features, highlighting the ability to make legacy applications quantum-proof. A new dashboard in the Palo Alto Networks ...

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 ...