Problem with authentication middleware, session and cache

Hi,

I' have some problems trying to cache most of my websites when  authentication mw is in place.

I only want to  cache anonymous users:

CACHE_MIDDLEWARE_ANONYMOUS_ONLY = True

anyway, I also want to show a different menu to authenticated users, so I also check for user.is_authenticated in a template tag for the menu.

It seems like like this check accesses the session and the mw then sets Vary=Cookie in the response, this prevents caching for users even if they are anonymous.

To make things more complicated I also need to use sessions in a few view (which are of course not cached).

Any suggestion about how to allow caching of my pages for anonymous users?

--
Alessandro Pasotti
w3:   www.itopen.it

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