server {
    listen 80; 
    server_name svn.phpdr.net;
    location / { 
        return 404;
        proxy_pass      http://127.0.0.1:81;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_send_timeout 600;
        proxy_read_timeout 600;
    }   
}