This requirement is intended to make Noosfero able to use, recognize and negotiate SSO (single sign on).
The users need to have a single password to access all services provided by Noosfero.
-- GuilhermeRocha - 08 Sep 2007
I'm postponing this to 0.4.0 so we can discuss this issue personally with Raphael.
-- AntonioTerceiro - 10 Oct 2007
-- JoenioCosta - 05 Apr 2011