nginx 反向代理80端口无效，其他端口有效

Question

server {
    listen      80;
    server_name  localhost;

    location / {
            proxy_pass http://localhost:18081;
            }
    }

server {
    listen      8081;
    server_name  localhost;

    location / {
            proxy_pass http://localhost:18081;
            }
    }

Answer 1

是在公网上么？根据国家法规，个人宽带的80端口是被运营商禁止的。