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Network port usage

2022-07-05 07:54:00 【Soy sauce;】

1. Concept

Fixed identity on the process ,2 Bytes 0-65535

2. effect

Used to identify the application , Identify the process ’

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Remote connection uses an application to identify the port number

3. type
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explain ： An application can have multiple ports , Different buffers with different functions , Different port identification
One program has multiple ports , But one port cannot have more than one program
Can be reused