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 ...

Firewalls are devices that help keep your computer safe from threats on networks. Windows includes a program called Microsoft Firewall to maintain system security. There may be occasions when you need ...

There are plenty of PC accessories that connect wirelessly, but in some cases, a direct USB port connection provides a better ...

USB port colors range from black and blue to red and purple. Each color has its own meaning, which is worth understanding if ...

Netstat, the TCP/IP networking utility, has a simple set of options and identifies a computer’s listening ports, along with incoming and outgoing network connections. This data can be very helpful if ...

Red USB ports aren't as common as the blue or black ones you see on most computers. They're mostly USB-A ports, though ...

You probably remember serial ports as the ancient nine-pin plugs you once used to hook up your mouse or joystick to your computer in the pre-USB dark ages. But tracking down devices that still use ...