X-Domain and P3P Headers

Posted by Jackson on Stack Overflow See other posts from Stack Overflow or by Jackson
Published on 2010-05-31T15:20:25Z Indexed on 2010/05/31 15:23 UTC
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cookies

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cross-browser

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cross-domain

Hi,

I have a website A.com and a domain at B.com with a widget inside an iframe getting data from A.com. I want to allow x-domain cookies to be passed from a.com to inside the iframe using ASP.NET

My understanding is that - I can do this in IE using P3P Headers - such that the A.com cookie is passed to the iframe and session | cookie data is preserved. The P3P headers have to be sent from the A.com and from the iframe.

Is this correct ? In dev, my understanding is if I "accept all cookies" in IE - then P3P headers won't matter anyway and so this should all just work. If I put on Medium Security then P3P is required.

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