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

If anybody is looking for Apache line; we used this one.

Header set P3P "CP=\"Thanks IE8\""

It really didn't matter what we set CP value to, as long as there is the P3P header.