I have example.com and support.example.com . If a user is logged in on the main site, I\'d like to have the session be accessible from the support site.
Setting the
You could write your own SessionMiddleware to set and retrieve the cookies based on domains.
Basically you'd want to copy the existing SessionMiddleware class. In the process_request function to look at the domain and retrieve the correct cookie to setup the SessionStore. In the process_response you'll want to write the cookies for both sub domains. In your settings you'll delete the existing SessionMiddleware class and replace it with your own.
This is just off the top of my head, so don't hate me if it doesn't work. Best of luck, and please post your findings for future readers.