server {
    listen 80;
    server_name wpad wpad.lan wpad.kernel.rip;

    location /wpad.dat {
        root /var/www/wpad;
        types { }
        default_type application/x-ns-proxy-autoconfig;
    }

    # WPAD spec wants both /wpad.dat and /proxy.pac available
    location /proxy.pac {
        alias /var/www/wpad/wpad.dat;
        types { }
        default_type application/x-ns-proxy-autoconfig;
    }
}