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Sort of. You can create a landing page that lists all client IP addresses using WebRTC and load another address. You can use gethostbyaddr() on every IP returned, and you will get some user198.domain-a.company.xxx. Just set a session variable, and you are set.


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Not really. You can directly retrieve some agent information and the local IP/hostname but not their workgroup/domain status. That being said - you could get the hostname and query Active Directory via WMI to see if it is a domain computer, but you can never prove the validity of the hostname. Another option is that you can authenticate a user against ...


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It's possible to get corresponding to a given IP address using gethostbyaddr function http://php.net/manual/en/function.gethostbyaddr.php: $proxy = (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : false; if(!!$proxy){ $ipaddress = $_SERVER['HTTP_X_FORWARDED_FOR']; echo "Warning: Your cliend is using proxy, may could ...



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