title: firefox 22 third party cookie in iframe session
body: <p>This seems to be a much discussed topic the last time. Unfortunately I haven't found something satisfying.</p>
  
  <p>I have to Servers with different domains. Server A loads an application from Server B into an Iframe. The Application served by Server B needs Session cookies to work. With the next Firefox Version Firefox doesn't allow third party cookies by default. Which is probably a good thing, but in this case the cookies have nothing to do with collecting user data. </p>
  
  <p>I've read a lot about P3P headers https protocols, and JS Safari tricks for this Problem, but nothing really usable for the coming Firefox Version. I now thinking about a simple Browser detection and an alert for Firefox Users to switch 3rd party cookies on. Not the most beautiful way. </p>
  
  <p>Does anyone know about a workaround for this? I can control / change things on both servers.</p>