The internet relies on a system of addresses that treats every computer, tablet and smartphone as a distinct device, allowing all of them to communicate with each other. Because many kinds of devices ...

If your company network is having problems and you need to troubleshoot it, you also need to know some basic information about the computers on the network. Internet Protocol is the underlying ...

Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf ...

Need to know the IP address of your router, as assigned by your ISP, or the IP of your computer, as assigned by your router? These numbers are easy to find when you know where to look. I've been ...

This tip is excerpted from "Network troubleshooting and diagnostics," Chapter 4 of The Shortcut Guide to Network Management for the Mid-Market, written by Greg Shields and published by ...

Many a time IT admin needs to set up multiple IP addresses to the same network adapter. Situations such as hosting multiple SSL sites can speed up traffic exchanges, which can bypass the gateway in ...

Turn off your router. Unplug the power adapter from the wall socket. Wait for a few minutes. Plug the power adapter from the wall socket and turn on your router. Now ...

I have a user who's machine is not pingable on our network, using computer hostname or associated IP. However, in troubleshooting this, I see that the IP the machine actually has does not resolve to ...

With someone's IP address, you can learn a user's general location, and disable some parts of their internet browsing ...

Billions of computers are linked through the Internet. And with so many devices communicating and exchanging information, each one needs to have a unique identifier so that the right information ...