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Which ports can be bound by socket?

Latest reply: Apr 14, 2017 07:33:41 1400 1 0 0 0


I have a question need you experts to confirm, that is which ports can be bound by socket. Can you please help to verify that?

Thanks in advance!

  • x
  • convention:

Created Apr 14, 2017 07:33:41

In TCP/UDP, if no port number is specified when an upper-layer application protocol calls the bind function to bind the source port (it is the server in most cases), socket allocates an idle port in the range of 49152 to 55535.

Ports ranging from 55535 to 65535 are reserved for L2TP. L2TP uses UDP as the transmission protocol. If a port number is specified, the binding can be successful as long as the port number is smaller than 55535 and is not 1701.
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  • x
  • convention:


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