Port numbers are communication endpoints used to allow network communication. Different ports are used for different application-specific or process-specific purposes; for example, HTTP protocol commonly uses port 80.
Technical Writer at Fortinet
Bruce has been working with computers, and related technology, since before the World Wide Web was a thing. He has worked in system and network administration. He has even dabbled in technical support. He has made the switch to technical writing as part of his deep, dark and dastardly plan to make the arcane machinations of IT technology more easily understood by the poor folks who use it.