4 ms·

You have to use P3P if you want to set third party cookies (or set cookies from within an iframe) for IE or Safari.

• nl 16y ago
  When you do that, do you (or your lawyers) check that the P3P policy you use matches that on your site? Why or why not? (This is a genuine question)
  • ericflo 16y ago
    Thankfully I've never had to deal with this before, I just so happen to know that P3P is a necessary evil for these things.