Out of the box, Linux is a highly secure operating system, but does that mean you can get by without a bit of help? Let's find out.

The authors provide a brief history of UNIX and free software, explain the differences between the GPL and BSD licenses, and offer comparisons between Red Hat Linux 6.0 and OpenBSD for such factors as ...

In the world of the Linux operating system and open source software, the iptables firewall provides a full featured and stable packet filtering infrastructure. Commercial-grade capabilities such ...

The Linux kernel itself has many functions built in for network routing, traffic shaping, bridging, virtual IP addresses, and just about anything else that a firewall needs to support.

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.

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 ...

I have been told that the proper term for a zonealarm type product is a software firewall. I'm looking for a software firewalling solution on linux. I want to know every time a process attempts to ...

In January 2000, Check Point Software introduced a Linux port of its flagship product, FireWall-1. FireWall-1 is one of the best-selling products in the commercial firewall market.

The Pico is a USB hardware firewall system running on the Linux 2.6 kernel and powered by a 520MHz Intel PXA270 processor. Like the earlier Yoggie Gatekeeper, the Pico is designed to function as a ...