ZDNet

How to manage your Linux firewall the easy way - without touching the terminal

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 ...
TechRepublic

How to configure SSH to use a non-standard port with SELinux set to enforcing

How to configure SSH to use a non-standard port with SELinux set to enforcing Your email has been sent Switching the SSH listening port is an easy way to help secure remote login on your Linux servers ...
ZDNet

An uncomplicated introduction to Uncomplicated Firewall

When I first started using Linux, back in '97, working with the built-in firewall was not something just anyone could do. In fact, it was quite complicated. Starting around 1998, if you want to manage ...
Linux Journal

Paranoid Penguin - Building a Transparent Firewall with Linux, Part I

When I started writing this column in autumn of 2000, I had the day job of firewall engineer. I enjoyed that type of work, but I was enough of a big-picture kind of guy to be aware that every year, ...
Linux Journal

Building a Transparent Firewall with Linux, Part IV

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...