Forum Discussion
Calculating available ephemeral ports
Hi, I seem to be running short of ephemeral ports for tcp connections on IPv4. This has lead me to try get a solid understand of just how many ephemeral (eph) ports I have available for IPv4 tcp ...
There are 65,535 possible tcp and udp ports
Perhaps you mean 65,535 per server for TCP connections across all NICs/IPs and including connections on 127.0.0.1.
And once you hit that you need to start adding more servers?