[chris_engel]

If some other people have also problems with IE, facebook and session cookies, have a look at this reciep, i wrote. The solution is pretty easy. http://recipes.wearekiss.com/view/platform/problem-solutions...

[cmer]

I had trouble doing just this, mainly because of how IE handles cookies on 304. I used this Gem for a Rails app (~1 year ago): https://rubygems.org/gems/rack-p3p.