Correct but to clarify, only the master process binds to the ports. The master process creates socketpairs to the workers for interprocess communication. The wo

Correct but to clarify, only the master process binds to the ports. The master process creates socketpairs to the workers for interprocess communication. The workers accept connections over the shared socket. https://www.nginx.com/blog/socket-sharding-nginx-release-1-9-1/ https://www.nginx.com/blog/socket-sharding-nginx-release-1-9... Page also has an example of how SO_REUSEPORT effects flow.