If you're running a small business with more than one computer, routers are usually a necessity. Routers provide small businesses with added security, a link between computer systems and extra ...

I just created our first Server 2012 R2 domain controller. It's a domain controller plus DNS server. When I run the DNS BPA one of the things it reports back is that I need to have the loopback ...

THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Breaks down the five IP address classes in order to explain how they manipulate TCP/IP protocol functionality Before two or more computers can communicate with each other, a set of rules has to be in ...

Although IPv6 adoption seems to be moving at a snail's pace, there's no outrunning it. Brien Posey demystifies some of the addressing issues many admins are still trying to figure out. [Editor’s note: ...

THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.