$value) {
if (substr($name, 0, 5) == 'HTTP_') {
$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
}
}
return $headers;
}
}
if (isset($_GET['check']) && $_GET['check'] == 'yes')
{
$hs = getallheaders();
if (isset($hs['Proxy']) || isset($hs['proxy']))
echo "bad";
else
echo "good";
exit(0);
}
$http='http';
if ($_SERVER['HTTPS'] == 'on')
$http='https';
$url = "$http://".$_SERVER['HTTP_HOST'].$_SERVER["SCRIPT_NAME"]."?check=yes";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Proxy: evil"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$r = curl_exec($ch);
if ($r === false)
echo curl_error($ch);
if ($r == 'good')
{
?>Good! Proxy has been filtered out. No need to do anythingBad! You'll need to filter out the proxy header in your configs.No idea.. something went wrong: