nginx - If the http proxy port built in go language is 80, will it have the same effect as the domain name resolved to the server IP?

Question

For example, I used go to build an http proxy. The IP is 192.168.1.100 and the port is 80. After testing the proxy, there is no problem. Now I resolve a domain name to this IP. Direct access is not possible. If you want to achieve this effect, you should How to do it, forward it once with nginx?

Answer 1

When go starts, is it bound to the IP address instead of 0.0.0.0? Use netstat -antp to check that the local computer of go is 0.0.0.0:80