some help please ip

grant · January 14, 2012

does anyone no how to strip an ip from a proxy i have this code but not working

 function get_ip()
{
global $REMOTE_ADDR;
global $HTTP_X_FORWARDED_FOR, $HTTP_X_FORWARDED, $HTTP_FORWARDED_FOR, $HTTP_FORWARDED;
global $HTTP_VIA, $HTTP_X_COMING_FROM, $HTTP_COMING_FROM;
global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
// Get some server/environment variables values
if(empty($REMOTE_ADDR))
   {
   if(!empty($_SERVER)&&isset($_SERVER['REMOTE_ADDR']))
       {
       $REMOTE_ADDR = $_SERVER['REMOTE_ADDR'];
       }
   elseif(!empty($_ENV)&&isset($_ENV['REMOTE_ADDR']))
       {
       $REMOTE_ADDR = $_ENV['REMOTE_ADDR'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
       {
       $REMOTE_ADDR = $HTTP_SERVER_VARS['REMOTE_ADDR'];
       }
   elseif(!empty($HTTP_ENV_VARS)&&isset($HTTP_ENV_VARS['REMOTE_ADDR']))
       {
       $REMOTE_ADDR = $HTTP_ENV_VARS['REMOTE_ADDR'];
       }
   elseif(@getenv('REMOTE_ADDR'))
       {
       $REMOTE_ADDR = getenv('REMOTE_ADDR');
       }
   } // end if
if(empty($HTTP_X_FORWARDED_FOR))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_X_FORWARDED_FOR']))
       {
       $HTTP_X_FORWARDED_FOR = $_SERVER['HTTP_X_FORWARDED_FOR'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_X_FORWARDED_FOR']))
       {
       $HTTP_X_FORWARDED_FOR = $_ENV['HTTP_X_FORWARDED_FOR'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_X_FORWARDED_FOR']))
       {
       $HTTP_X_FORWARDED_FOR = $HTTP_SERVER_VARS['HTTP_X_FORWARDED_FOR'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_X_FORWARDED_FOR']))
       {
       $HTTP_X_FORWARDED_FOR = $HTTP_ENV_VARS['HTTP_X_FORWARDED_FOR'];
       }
   elseif(@getenv('HTTP_X_FORWARDED_FOR'))
       {
       $HTTP_X_FORWARDED_FOR = getenv('HTTP_X_FORWARDED_FOR');
       }
   } // end if
if(empty($HTTP_X_FORWARDED))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_X_FORWARDED']))
       {
       $HTTP_X_FORWARDED = $_SERVER['HTTP_X_FORWARDED'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_X_FORWARDED']))
       {
       $HTTP_X_FORWARDED = $_ENV['HTTP_X_FORWARDED'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_X_FORWARDED']))
       {
       $HTTP_X_FORWARDED = $HTTP_SERVER_VARS['HTTP_X_FORWARDED'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_X_FORWARDED']))
       {
       $HTTP_X_FORWARDED = $HTTP_ENV_VARS['HTTP_X_FORWARDED'];
       }
   elseif(@getenv('HTTP_X_FORWARDED'))
       {
       $HTTP_X_FORWARDED = getenv('HTTP_X_FORWARDED');
       }
   } // end if
if(empty($HTTP_FORWARDED_FOR))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_FORWARDED_FOR']))
       {
       $HTTP_FORWARDED_FOR = $_SERVER['HTTP_FORWARDED_FOR'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_FORWARDED_FOR']))
       {
       $HTTP_FORWARDED_FOR = $_ENV['HTTP_FORWARDED_FOR'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_FORWARDED_FOR']))
       {
       $HTTP_FORWARDED_FOR = $HTTP_SERVER_VARS['HTTP_FORWARDED_FOR'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_FORWARDED_FOR']))
       {
       $HTTP_FORWARDED_FOR = $HTTP_ENV_VARS['HTTP_FORWARDED_FOR'];
       }
   elseif(@getenv('HTTP_FORWARDED_FOR'))
       {
       $HTTP_FORWARDED_FOR = getenv('HTTP_FORWARDED_FOR');
       }
   } // end if
if(empty($HTTP_FORWARDED))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_FORWARDED']))
       {
       $HTTP_FORWARDED = $_SERVER['HTTP_FORWARDED'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_FORWARDED']))
       {
       $HTTP_FORWARDED = $_ENV['HTTP_FORWARDED'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_FORWARDED']))
       {
       $HTTP_FORWARDED = $HTTP_SERVER_VARS['HTTP_FORWARDED'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_FORWARDED']))
       {
       $HTTP_FORWARDED = $HTTP_ENV_VARS['HTTP_FORWARDED'];
       }
   elseif(@getenv('HTTP_FORWARDED'))
       {
       $HTTP_FORWARDED = getenv('HTTP_FORWARDED');
       }
   } // end if
if(empty($HTTP_VIA))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_VIA']))
       {
       $HTTP_VIA = $_SERVER['HTTP_VIA'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_VIA']))
       {
       $HTTP_VIA = $_ENV['HTTP_VIA'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_VIA']))
       {
       $HTTP_VIA = $HTTP_SERVER_VARS['HTTP_VIA'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_VIA']))
       {
       $HTTP_VIA = $HTTP_ENV_VARS['HTTP_VIA'];
       }
   elseif(@getenv('HTTP_VIA'))
       {
       $HTTP_VIA = getenv('HTTP_VIA');
       }
   } // end if
if(empty($HTTP_X_COMING_FROM))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_X_COMING_FROM']))
       {
       $HTTP_X_COMING_FROM = $_SERVER['HTTP_X_COMING_FROM'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_X_COMING_FROM']))
       {
       $HTTP_X_COMING_FROM = $_ENV['HTTP_X_COMING_FROM'];
       }
   elseif(!empty($HTTP_SERVER_VARS) && isset($HTTP_SERVER_VARS['HTTP_X_COMING_FROM']))
       {
       $HTTP_X_COMING_FROM = $HTTP_SERVER_VARS['HTTP_X_COMING_FROM'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_X_COMING_FROM']))
       {
       $HTTP_X_COMING_FROM = $HTTP_ENV_VARS['HTTP_X_COMING_FROM'];
       }
   elseif(@getenv('HTTP_X_COMING_FROM'))
       {
       $HTTP_X_COMING_FROM = getenv('HTTP_X_COMING_FROM');
       }
   } // end if
if(empty($HTTP_COMING_FROM))
   {
   if(!empty($_SERVER) && isset($_SERVER['HTTP_COMING_FROM']))
       {
       $HTTP_COMING_FROM = $_SERVER['HTTP_COMING_FROM'];
       }
   elseif(!empty($_ENV) && isset($_ENV['HTTP_COMING_FROM']))
       {
       $HTTP_COMING_FROM = $_ENV['HTTP_COMING_FROM'];
       }
   elseif(!empty($HTTP_COMING_FROM) && isset($HTTP_SERVER_VARS['HTTP_COMING_FROM']))
       {
       $HTTP_COMING_FROM = $HTTP_SERVER_VARS['HTTP_COMING_FROM'];
       }
   elseif(!empty($HTTP_ENV_VARS) && isset($HTTP_ENV_VARS['HTTP_COMING_FROM']))
       {
       $HTTP_COMING_FROM = $HTTP_ENV_VARS['HTTP_COMING_FROM'];
       }
   elseif(@getenv('HTTP_COMING_FROM'))
       {
       $HTTP_COMING_FROM = getenv('HTTP_COMING_FROM');
       }
   } // end if
// Gets the default ip sent by the user
if(!empty($REMOTE_ADDR))
   {
   $direct_ip = $REMOTE_ADDR;
   }
// Gets the proxy ip sent by the user
$proxy_ip='';
if(!empty($HTTP_X_FORWARDED_FOR))$proxy_ip = $HTTP_X_FORWARDED_FOR;
elseif(!empty($HTTP_X_FORWARDED))$proxy_ip = $HTTP_X_FORWARDED;
elseif(!empty($HTTP_FORWARDED_FOR))$proxy_ip = $HTTP_FORWARDED_FOR;
elseif(!empty($HTTP_FORWARDED))$proxy_ip = $HTTP_FORWARDED;
elseif(!empty($HTTP_VIA))$proxy_ip = $HTTP_VIA;
elseif(!empty($HTTP_X_COMING_FROM))$proxy_ip = $HTTP_X_COMING_FROM;
elseif(!empty($HTTP_COMING_FROM))$proxy_ip = $HTTP_COMING_FROM;
// Returns the true IP if it has been found, else FALSE
if (empty($proxy_ip))
   {
   // True IP without proxy
   return $direct_ip;
   }
else
   {
   $is_ip = ereg('^([0-9]{1,3}\.){3,3}[0-9]{1,3}', $proxy_ip, $regs);
   if($is_ip && (count($regs) > 0))
       {
       // True IP behind a proxy
       return $regs[0];
       }
   else
       {
       // Can't define IP: there is a proxy but we don't have
       // information about the true IP
       return FALSE;
       }
   } // end if... else...
}

anytime i go on a proxy it just the proxy ip it shows no my ip

Mystical · January 14, 2012

Try this. Not sure if it works but it is worth a shot..

function getRealIpAddr()

{

if (!empty($_SERVER['HTTP_CLIENT_IP']))

{

$ip=$_SERVER['HTTP_CLIENT_IP'];

}

elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))

//to check ip is pass from proxy

{

$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];

}

else

{

$ip=$_SERVER['REMOTE_ADDR'];

}

return $ip;

}

a_bertrand · January 14, 2012

The issue with HTTP_X_FORWARDED_FOR is that you can place it without any problem in the browser header and if your site does look at that, then it may be tricked.

grant · January 14, 2012

the trick is to stop user login on a proxy and if they do it strips the proxy from there ip so that there real ips showing like

before you log please note any proxy on the site have been stripped so its your own ip

and you can no longer hide your ip entering this site

Your ip is ******** to show there own ip but i no some proxy will and cant be strip

a_bertrand · January 15, 2012

Without using a proxy, you can send the HTTP_X_FORWARDED_FOR header and therefore fake the IP.

Also, there is no real good solution to block proxy.

strangeeyes · January 27, 2012

if you block proxys dont you then block mobile phone users ?

Spudinski · January 27, 2012

if you block proxys dont you then block mobile phone users ?

Not really, since those are private proxies, and by proxy I mean an implementation of squid and a subnet of IPs.

There are countless other ways to block spam, so don't rely on any "proxy blocker".

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some help please ip

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