<?php 
// use this script to detect whether a user is using a 
//proxy server to connect to your website.
echo "Proxy Detector";
if(isset($HTTP_X_FORWARDED_FOR))
{
if ($HTTP_X_FORWARDED_FOR)
{
// proxy detected...
?>
Proxy Detected...
Your Actual IP Address:
<?= $HTTP_X_FORWARDED_FOR ?>
Your Proxy Server:
<?= $HTTP_VIA ?>

You Proxy I.P address: <?= $REMOTE_ADDR ?>
<?
}
}
else
{
// no proxy detected
?>

No Proxy Detected


Your Actual IP Address:
<?= $REMOTE_ADDR ?>
<?
}
?> 

<?php
$_SERVER['REMOTE_PORT'];
?>