Safety using $_SERVER variables

Posted by DiogoNeves on Stack Overflow See other posts from Stack Overflow or by DiogoNeves
Published on 2010-03-09T01:30:22Z Indexed on 2010/03/09 1:36 UTC
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Hi all,

I'm working on a system that relies in $_SERVER['REMOTE_ADDR'] to get the user address and check it against a white list of addresses. Is this approach safe? Or is there a way of forcing values in superglobal variables?

Thank you, Diogo

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