internet explorer 9 - IE9 Separate cookies for third party request -


even though p3p headers correct, ie9 seems hold separate list third party requests.

i've added following p3p

header('p3p:cp="noi dsp cor cura adma deva psaa psda our bus ind uni com nav int", policyref="http://domain/w3c/p3p.xml"') 

of course domain set. it's created ibm tool. next i've created p3p xml file , tested p3p validation.

once call test file stating nothing more then

    <?php      header ('p3p:cp="noi dsp cor cura adma deva psaa psda our bus ind uni com nav int", policyref="http://padrichem.ds1.nl.dev/w3c/p3p.xml"');      session_start();      var_dump($_cookie); 

it says $_cookie empty, refresh , says $_cookie[phpsessid] = 'id'

now call same file remote location within iframe says $_cookie empty, refresh , says $_cookie[phpsessid] = 'different id'

when disable protected mode isn't case. yet isn't case on domains.

on harddrive can find cookies set iframe (third-party) call.

does have idea why occur?

you issue because of how ie treats cookies in cross-zone scenarios:

refer followings:

ie9 - asp.net cannot access cookie created domain third party site
beware cookie sharing in cross-zone scenarios


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