Nginx 下禁止IP直连

---

server {
                listen 80 default;
                server_name _;
                return 500;
}
server {
                listen 443 default;
                server_name _;
                ssl_certificate      ssl.crt;
                ssl_certificate_key  ssl.key;
                return 500;
 }

参考资料
https://www.muzifei.com/post/deny-access-via-ip.html