A port is a numeric identifier for software that runs on a computer, like Web server or email server software. When a port is open, it's accepting connections from the outside world. It's not uncommon ...

Data sent over a network is directed through specific ports, numbered 1 through 64435. A computer uses port numbers – similar to channels on a television – to determine how network traffic should be ...

If your computer doesn't have built-in Wi-Fi or an ethernet port, or if those connections aren't working properly, you're not stuck without internet. USB ports offer multiple ways to get online, ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. One of the many features laptops lost as they became ...