> so you are limited to max of 6 concurrent connections to localhost. I think a web server listening on 0.0.0.0 will accept “localhost” connections on 127.0.0.

> so you are limited to max of 6 concurrent connections to localhost. I think a web server listening on 0.0.0.0 will accept “localhost” connections on 127.0.0.2, 127.0.0.3, 127.0.0.4 … etc., and that you could have six connections to each. https://superuser.com/questions/393700/what-is-the-127-0-0-2-ip-address-for#393701 https://superuser.com/questions/393700/what-is-the-127-0-0-2... ( a comment there says “not on macOS” though)