And most linux distros limits the ephemeral range even further to about 30K port...

e-r-a-n on Feb 13, 2019 | parent | context | favorite | on: Handling 1M websocket connections in Go

And most linux distros limits the ephemeral range even further to about 30K ports If you take a deeper look, the solution uses Docker to connect clients from different network namespaces to mitigate this