On servers, ephemeral ports may also be used to continue communications with a client that initially connected to one of the server's well-known service listening ports to make the well-known port available to service requests from other clients.
On servers, ephemeral ports may also be used as the port assignment on the server end of a communication. This is done to continue communications with a client that initially connected to one of the server's well-known service listening ports, to make the well-known port available to service requests from other clients.