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Is there any way to distinguish users behind NAT without cookies?

Posted on 2011-02-19
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Last Modified: 2012-05-11
Hi,

Is there any way to distinguish users behind a NAT firewall without cookies? I would like to know because sometimes multiple people behind one IP is using my website, and I can't distinguish them.

Thanks
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Question by:dilithiumtoys_dot_com
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LAMASE earned 250 total points
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Yes and no: depends on the NAT behaviour.
Try reading the HTTP_X_FORWARDED_FOR in HTTP request (how depends on the language you are using)

http://en.wikipedia.org/wiki/X-Forwarded-For
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