1.域名转发，用途：A:本服务器绑定域名，B:转发地址不必是本服务器，用途可实现动态域名解析
server { listen 80; server_name www.5211.com; location / { proxy_pass http://39.107.237.3; } }
nginx
原文：https://www.cnblogs.com/dxh0535/p/11616454.html
