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.

Have you ever wanted to configure a personal firewall for your GNU/Linux box, but were scared of the complexity of iptables? Well, I might not be able to make you a security expert, but I can show you a tool that will help you to configure your personal firewall the easy way. The secret? Firewall Builder (also known as fwbuilder for short).

UFW or Uncomplicated Firewall, is a text based firewall that works with iptables. UFW is designed to be an easier way to manage a firewall from the command line. Whether this is easier than learning iptables or not, you can decide. But UFW comes partially set up when you install Ubuntu.

There are network subnets that have been taken over by Spammers and run by bots. These networks are recorded and documented by Spamhaus and provide you a quick way to modify your firewall to eliminate these know blocks of Spam.

Fwbuilder is a powerful firewall creation tool that works by adding objects to build a customized firewall. An object can be just about anything from a firewall, a library, a host, interface, address, DNS name, etc.

Setting up a firewall for IPtables can be rather difficult, especially if its your first time. A firewall is something you need to have, whether you are just trying to keep hackers out, or trying to meet a requirement such as PCI compliance, or HIIPA compliance. Luckily the folks at rfxnetworks, created a CLI based configuration for IPtables.

FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.

The firewall configuration on CentOS 6 has changed. This article shows how to add your own firewall rules to the configuration. CentOS 6 has more options with the firewall than previous versions.