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 ...

With 65,535 possible ports to keep track of, you might think viewing the active ports on your small business' computer is a difficult task. In most cases, the number of assigned ports on the computer ...

TCP Port Number 21 is the standardized port number used by FTP (File Transfer Protocol) for managing communication between FTP clients and servers. It’s a part of the Transmission Control Protocol ...

If you've been using computers for more than a couple of decades, you've probably used a serial port to attach peripherals like your mouse and modem. Until the USB standard rendered them obsolete in ...