关闭 help / explore / public 访问

• 修改 nginx 配置文件 ```bash

  vi /var/opt/gitlab/nginx/conf/gitlab-http.conf

  新增配置

location /help { return 404; }

location /explore { return 404; }

location /public { return 404; }

重启

/opt/gitlab/embedded/sbin/nginx -p /var/opt/gitlab/nginx -s reload ```