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 ...

For so many of us, networking hardware is a necessary evil. It’s great when it works, but once it does, we just want to leave it alone. But if you’ve ever run into an app or service that requires ...

A number from 0 through 1023 used to identify a network service on a private IP network or the public Internet. Residing in a field in the TCP or UDP header, the port number directs packets to the ...