How to Watch TCP and UDP Ports in Real-time | Linux Today
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How to Watch TCP and UDP Ports in Real-time

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Tecmint
Mar 24, 2020

In software terms, especially at the operating system level, a port is a logical construct that identifies a specific process/application or a type of network service and each network service running on a Linux system uses a particular protocol (the most common being the TCP (Transmission Control Protocol) and UDP (User Datagram Protocol)) and a port number for communicating with other processes or services.
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Tecmint

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