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I have a page and I would like to allow access to this page only from domains that I allow. What would be the best way of doing this?

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2 Answers 2

You can start by checking $_SERVER['HTTP_REFERER'] variable. However, for protected resources you might want to set up a proper authorization, e.g. through a .htaccess file.




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use $_SERVER['HTTP_REFERER'] to check what website is accessing your page and compare it with your list of website.

user it in the header part of your page like following,

   echo do something;
   echo "no access";
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