What Is An Ephemeral Port?

This page answers questions like these:


Related Links:
What Is TCP KeepAlive?
How To Use TCP KeepAlive?



What are Ephemeral Ports?

Terminology:

Can Multiple Programs Listen on the Same Port Number at the Same Time?

No. Only one program/process/thread can listen on a port at any point in time. Any attempt to listen on a port that is already being listened to will fail with an error.



What is the Ephemeral Port Range of My Machine?

Example:



Related Links:
What Is TCP KeepAlive?
How To Use TCP KeepAlive?

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