Проксирование запросов на другой сервер

server {
    listen 80;
    server_name www.example.com example.com;
    reset_timedout_connection  on;
    location / {
        proxy_pass http://XXX.XXX.XXX.XXX:80/;
        proxy_set_header X-Forwarded-For $remote_addr;
        proxy_set_header Host $host;
        proxy_set_header  X-Forwarded-For  $proxy_add_x_forwarded_for;
        proxy_redirect off;
        proxy_connect_timeout 60;
    }
}