<?php 
$xml= new SimpleXMLElement('<xml/>');
$ip=$_SERVER['REMOTE_ADDR'];

if ($ip == '148.169.271.36') {
    echo "Upload Pakai File Zilla";
}else{
    $error = $xml->addChild('error');
    $error->addChild('Message');
    $error->addChild('HostName', 'spbu.it.com');
    $error->addChild('RequestId', md5($ip));
    $error->addChild('HostId', hash('sha256', $ip));
}
Header('Content-type: text/xml');
print($xml->asXML());