Wikipedia : Port (computer networking)(en)
In computer networking, a port is a communication endpoint. At the software level, within an operating system, a port is a logical construct that identifies a specific process or a type of network service. A port is identified for each transport protocol and address combination by a 16-bit unsigned number, known as the port number. The most common transport protocols that use port numbers are the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).
A port number is always associated with an IP address of a host and the type of transport protocol used for communication. It completes the destination or origination network address of a message. Specific port numbers are reserved to identify specific services so that an arriving packet can be easily forwarded to a running application. For this purpose, port numbers lower than 1024 identify the historically most commonly used services and are called the well-known port numbers. Higher-numbered ports are available for general use by applications and are known as ephemeral ports.
Ports provide a multiplexing service for multiple services or multiple communication sessions at one network address...🔗 Port (computer networking) ( en )
🌐: منفذ (شبكات), Мрежов порт, Síťový port, Ip-port, Port (Protokoll), Puerto de red, درگاه (شبکههای رایانهای), Portti (tietoliikenne), Port (logiciel), פורט (תקשורת), Porta (jaringan komputer), Porta (reti), ポート (コンピュータネットワーク), 포트 (컴퓨터 네트워킹), Port protokołu, Porta (redes de computadores), Port (rețea), Порт (компьютерные сети), Port (datorteknik), Port (ağ), Порт протоколу, 通訊埠,