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.

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.

At its core, Untangle is a Linux distribution designed to filter and manage network traffic. It can act as a transparent bridge functioning between a router and network, or it can work in router mode, ...

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 ...

Named OpenSnitch, the Linux port works on the same principles of the Mac version, being a host-based firewall that notifies users when apps attempt to initiate new outgoing network connections.

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 ...

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 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.

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 ...

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 ...