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Embed login in IE without using iframe

I do not see error messages in the log file, and there are no messages on the screen. Logging into my Rails 3 application, as it is served in an iframe from another site, leads to a return to the main site without user login.

It looks like the Rails application does not recognize cookies through an iframe. Anyone else run into this problem? Where can I go see what the error is?

Please note that this ONLY happens in IE version 8 (maybe this happens in 7 and 6, not yet tested).

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James is right, IE has some protection to prevent the creation of iFrames cookies. It is easy to fix this there, just include the following response header in the controller:

response.headers['P3P'] = 'CP="NON DSP COR CURa IVAa IVDa CONa OUR NOR STA"'

: http://adamyoung.net/IE-Blocking-iFrame-Cookies

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IE 6 7 Devise with iframes. , , iframes IE. , , IE .

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