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 ...

The ufw (uncomplicated firewall) represents a serious simplification to iptables and, in the years that it’s been available, has become the default firewall on systems such as Ubuntu and Debian. And, ...

It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "="" operating="" system"="">, which is a customized flavor ...

Check Point FireWall-1 is the 800-pound gorilla of the commercial firewall industry. Check Point Software Technologies has ported its popular, sophisticated and relatively easy-to-administer firewall ...

I am about to deploy a Linux firewall to replace an end of life PIX. I know, not the same class but this is academia and I was given $0 for a budget. Right now the PIX has one line in and one line out ...

In today's open source roundup: Six GUI firewall management applications in Linux. Plus: Linux Lite 2.2 released, and the story of how Kali Linux was created The command line is a powerful tool for ...

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 ...

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, ...

As some of you know from my last dumb post about mounting the floppy, I am new to Linux. I would like to learn though the feasibility of setting up a Linux machine as a firewall for a dedicated ...