The Internet Explorer does not allow cross domain cookies for iframe. This causes the Facebook iframe application to not be able to write Facebook authentication cookie on the client side and it tries to authenticate each time you try to access any page of the Facebook app. This problem does not exist for Firefox.
This can be easily solved using P3P header. Here is how this can be done in PHP
header('P3P:CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');
use this code wherever you write some cookie. This is harmless for Firefox.
This can be easily solved using P3P header. Here is how this can be done in PHP
header('P3P:CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');
use this code wherever you write some cookie. This is harmless for Firefox.
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