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.

Dear readers, I appear to have set a Paranoid Penguin record—six months spent on one article series. (It has consisted of five installments, with a one-month break between the second and third pieces.

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 this series of articles, I'm showing how to build a transparent firewall using OpenWrt (Linux) running on an inexpensive Linksys WRT54GL wireless router. In Part I, I explained why firewalls are ...

We’ve assessed various firewalls, and looked at aspects such as ease of setup, deployment options, interface, documentation, performance, and the usability of various features, among other things.

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Hello!<BR><BR>I'm doing a huge paper on firewall & security i have to present at the end of this week to get my graduate diploma View image: /infopop/emoticons/icon ...

Like many Linux distributions, Windows, and macOS, Ubuntu has a firewall. This security feature can prevent connections from unwanted sources on your system. Sometimes, though, you might want to ...