Firewalls 101

Firewalls have become an indispensable part of computer security, but they can be intimidating for a new administrator. In this article I will explain the inner workings of a firewall …

How to Block Websites

This post will show you how to block websites, without the installation of website blockers or other programs to block websites. Fortunately, all desktop operating systems (Windows, Macintosh OS X, …