Internet networking involves a lot of alchemy, and I confess to occasionally dropping an eye of newt (or an IP of newt) into a boiling pot to fix problems on my local network. There’s a particular ...

Since my start in 2008, I've covered a wide variety of topics from space missions to fax service reviews. At PCMag, much of my work focused on security and privacy services, as well as a video game or ...

Locating your computer's IP address may sound tricky, but it's actually quite simple. In today's digital world, knowing how to find this crucial piece of information can be really helpful, whether you ...

If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a "No Valid IP ...

IP addresses are like opinions… everyone has one. But not every IP address is created equal. Some IP addresses are dynamic, which means they automatically change, based on router settings. Also: ...

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 ...

How to find a hostname via public IP address? In order to find the hostname of a computer with a public IP address, you have to pass the address to the Domain Name System (DNS) server. Here are the ...

In an upcoming blog I expect to write about configuring a home router, which requires logging on to it. This, in turn, requires knowing the IP address of the router. Non-techies typically don’t know ...

Your computer network's Internet Protocol (IP) address identifies its location in cyberspace when someone sends email or other data to you over the Internet. An IP address can also identify your ...

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 ...