Port (computer networking) - Wikipedia
A port is uniquely identified by a number, the port number, associated with the combination of a transport protocol and the network IP address. Port numbers are 16-bit unsigned integers.

PORT Definition & Meaning - Merriam-Webster
The meaning of PORT is a place where ships may ride secure from storms : haven. How to use port in a sentence.

Ports in Networking - GeeksforGeeks
A port is a logical identifier used to distinguish different applications or services on a device, allowing network traffic to reach the correct program. Ports work at the Transport layer, using TCP and UDP to send and receive data between devices.

Port Checker - Check Open Ports Online
Port Checker is a simple tool to check for open ports and test port forwarding setup on your router. Verify and diagnose connection errors on your computer.

What Is a Port in Networking? Ports Explained (2026)
TL;DR: A port is a 16-bit number (0 to 65535) that the operating system uses to route incoming network traffic to the correct application. Web servers listen on port 443 (HTTPS) and 80 (HTTP), SSH on port 22, and your browser borrows a temporary high-numbered port for each outgoing connection.

What is a Port?
Here is an overview of computer ports in networking. Use this information on ports to help you understand port forwarding, and how computers communicate on the Internet.

PORT | English meaning - Cambridge Dictionary
PORT definition: 1. a town by the sea or by a river that has a harbour, or the harbour itself: 2. a part of a…. Learn more.

What is a port - flaviocopes.com
A port is a number that identifies a specific application on a machine. The IP address gets your data to the right computer, and the port gets it to the right program running on that computer.

Port - National Geographic Society
A port is a landing place for ships on a coast, river or lake. Ships dock at ports to load and unload their cargo and passengers.