Firewalls are computers dedicated to filtering particular kinds of network traffic between two networks. They are usually employed to protect a LAN from the rest of the Internet. Securing every box on ...

Linux: The default image scanning app on most Linux desktops, XSane, has many, many buttons and sliders. When all you want to do is make a PDF from text, or scan a picture, Simple Scan is there for ...

Are you having trouble remembering what IP addresses are in use on your network? Fret not, Jack Wallen shows you how to discover those addresses with two simple commands. If you can only read one tech ...