Luc, I'm still a little fuzzy on what you intend to achieve, but it sounds like a pretty vanilla Shibboleth setup. You would need a directory for the users, an IdP, connections between the IdP and SP's, SP's, and connections from the SP's to the applications. This page might help: https://wiki.shibboleth.net/confluence/display/CONCEPT/Home Take care, Nate.