Posted by Alvaro G. Vicario on 10/08/06 00:20

*** petersprc@gmail.com escribió/wrote (6 Oct 2006 18:22:52 -0700):
> In addition, you can check the referrer URL which will block some
> attempts to access the page by just pasting the URL in the browser.
> (This can be circumvented by the user however because the referrer can
> be spoofed.)

Last but not least, you must check $_SERVER['USER_AGENT'] to filter out
whoever is not using Internet Explorer as desired. It is not bulletproof
but, at this point, any Firefox or Opera user will have probably left the
site.


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