A new installation of Linux Deepin 11.12.1 does not have any of the network security applications that you find on Ubuntu enabled: A default installation of Linux Deepin 11.12.1, the latest edition, will leave your computer wide open for the bad guys to mess with.

The Zimbra install suggests that you do not want to use a firewall. Actually, this is not the wisest decision, you should have a firewall. Ubuntu 8.04 (Zimbra does not support 8.10 yet)

This article continues the series of articles on Fireall Builder, a graphical firewall configuration and management tool that supports many Open Source firewall platforms as well as Cisco IOS access lists and Cisco ASA (PIX).

The UFW has a GUI front end that you can add to it to provide an “easier” method of working with the firewall. You will see that it will be installed and available using System/Adminstration/Firewall administration. The interface is set up for several different options.

This firewall works like the open sesame, of the Sherezade 1001 nights, it opens whit the right "words" (ports), and then close again, so you can let the firewall normally close, and still connect from any IP when you are abroad.

Linux Mint Debian Edition (LMDE) is the branch of Linux Mint that is based on Debian, unlike Linux Mint editions which are based on Ubuntu Desktop. LMDE Xfce is the second Debian-based edition to be released. The first, Linux Mint Debian Edition, is powered by the GNOME desktop environment.

Endian Firewall Community is a free edition of Endian Firewall, a security-focused Linux distribution developed by Endian S.r.l., a Linux solutions provider based in Bolzano Italy.

Gufw is an easy to use Ubuntu / Linux firewall, powered by ufw.Gufw is an easy, intuitive, way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports port(s), and many others! Gufw is powered by ufw, runs on Ubuntu, and anywhere else Python, GTK, and Ufw are available.

The Ubuntu Unleashed blog has an excellent guide to the ins and outs of the Uncomplicated Firewall (ufw), a new feature in Ubuntu Linux 8.04, or Hardy Heron, that makes it easy to control the traffic into and out of your system. While turning on the firewall is as simple as typing sudo ufw enable, you can do a lot more with ufw, including: