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.

Guys I know a lot of you here are into open source firewalls such as Pfsense or Monowall etc. I must ask I know these are used in home labs but has anyone actually seen one setup in a production ...

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 ...

With our great firewalls shootout looming on the horizon (2008Q1) I've begun to wonder just what it would take to build a firewall for a Distributed Enterprise main office out of open source tools. So ...