Cookie blocked/not saved in IFRAME in Internet Explorer

Question

I have two websites, let\'s say they\'re example.com and anotherexample.net. On anotherexample.net/page.html, I have an IFRAME S

Answer 1

This is a great topic on the issue, however I found that one important detail (which was essential at least in my case) that was not posted here or anywhere else (I apologize if I just missed it) was that the P3P line must be passed in header of EVERY file sent from the 3rd party server, even files not setting or using the cookies such as Javascript files or images. Otherwise the cookies will be blocked. I have more on this in a post here: http://posheika.net/?p=110