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 ...

Dear readers, I appear to have set a Paranoid Penguin record—six months spent on one article series. (It has consisted of five installments, with a one-month break between the second and third pieces.

Linksys routers are designed to enable multiple devices to connect to the Internet at one time, but they often offer additional features as well. Some routers include a built-in firewall that protects ...

Every self-respecting Linux guru should be familiar with firewalls and how to install and configure them. With this in mind, Linux gurus also should be curious about how firewalls function and how to ...

In our first installment, we described why you need a Linux-based network appliances. Today, we’re going to start construction. (Please see the Introduction to this series for hardware requirements.) ...

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, ...