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 ...

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 ...

In normal language, a port is where ships anchor/dock and planes land. They then proceed with their journey as per schedule. In Information Technology lingo, ports are hardware and software (called ...

SMTP is an abbreviation for Simple Mail Transfer Protocol, which is commonly used for sending and receiving email messages. In order to send an email, software programs need to connect to a specific ...