anyway to get real ip address behind proxy?

sohom · Mar 31, 2014

Hello
is it possible to get real ip address behind proxy?
I need it for an affiliate program
It will be great , if it can be done through php or python

any luck?

akacash · Mar 31, 2014

Someone can correct me on this, but I believe you need to write something in Java to accomplish this. It can be done though.

sohom · Mar 31, 2014

yes, some articles in the net, saying, it needs java/javascript , in that case,what will happen if the bot using a non java browser to view web pages anonymously

BlurryBit · Mar 31, 2014

I posted something that might help:

Code:

http://www.blackhatworld.com/blackhat-seo/php-perl/527166-share-very-simple-script-testing-your-current-proxy-anonymity.html

In a nutshell, you check for the following server variables

Code:

$_SERVER['HTTP_X_FORWARDED_FOR'] , $_SERVER['HTTP_VIA'], $_SERVER['X-REAL-IP'], $_SERVER['HTTP_X_PROXY_ID'] , $_SERVER['HTTP_CLIENT_IP']

If anyone of them are set and having a value, it's a proxy.

nxgweb · Mar 31, 2014

Try this php code

if (!empty($_SERVER['HTTP_CLIENT_IP']))
{
$ip=$_SERVER['HTTP_CLIENT_IP'];
}
elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
{
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}
else
{
$ip=$_SERVER['REMOTE_ADDR'];
}

sohom · Mar 31, 2014

nxgweb ,its checking ip address only/

thanks gOgOl
also I add a flag for $_SERVER['REMOTE_ADDR']
I checked in my few test
if host name is different than the ipv4 then it also a proxy for sure

here the testing url http://tech-8.com/proxyc.php

source code here:

Code:

<?php
if (!empty($_SERVER["HTTP_CLIENT_IP"]))
{
//check for ip from share internet
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
elseif (!empty($_SERVER["HTTP_X_FORWARDED_FOR"]))
{
// Check for the Proxy User
$ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
}
else
{
$ip = $_SERVER["REMOTE_ADDR"];
}
// This will print user's real IP Address
// does't matter if user using proxy or not.
echo "IPv4: ".$ip;

$via = $_SERVER['HTTP_VIA'];
$realip=  $_SERVER['X-REAL-IP'];
$proxyid = $_SERVER['HTTP_X_PROXY_ID'];

echo "<br/>Via: ".$via;
echo "<br/>realip: ".$realip;
echo "<br/>proxyid: ".$proxyid;

$hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);

echo "<br/>Hostname: ".$hostname;
?>

PS: it will more efficient , if some one come with more good proxy checker , like http://www.whatismyip.com/

TorrentCoder · Mar 31, 2014

There is no guaranteed way to know about the proxy unless you have a list of all the Proxies Ip addresses that exist (which seems highly unlikely).

anyway to get real ip address behind proxy?

sohom

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