The Linux kernel includes some of the most powerful and flexible firewall code in any general-purpose operating system. This code is called Netfilter, though most of us refer to it by the name of its ...

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.

Building a secure networked Linux box? Then you better know your firewalls. While they’re only one aspect of security, firewalls are often the first line of defense. Linux applications like iptables ...

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.

The best free Linux firewalls make it simple and easy to better protect your PC and network security on your Linux machines. A dedicated firewall stands between the internet and your network, and is ...

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, ...

My company is replasing their Lynksis router with a somewhat better solution. I was given a task to propose a Linux based firewall.<BR>Currently we have cable modem WAN connection, but in the near ...

WHEN LOOKING for an effective, inexpensive firewall solution, Linux firewalls do not often enter into the picture unless someone involved in the security planning process is a Linux guru. With the ...