PHP- Kodu:
/*
Paul M - Try to detect real ip when proxy is in use.
*/
function fetch_real_ip()
{
$real_ip = '';
$ignoreprivate = false;
if (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
{
$real_ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
else if (isset($_SERVER['HTTP_CLIENT_IP']))
{
$real_ip = $_SERVER['HTTP_CLIENT_IP'];
}
else if (isset($_SERVER['HTTP_FROM']))
{
$real_ip = $_SERVER['HTTP_FROM'];
}
if (preg_match("#\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}#", $real_ip, $iplist))
{
$real_ip = $iplist[0];
if ($ignoreprivate AND preg_match("#^(127|10|172\.(1[6-9]|2[0-9]|3[0-1])|192\.168|169\.254)\.#", $real_ip))
{
$real_ip = '';
}
}
else
{
$real_ip = '';
}
return $real_ip;
}