This module was made for a client of the french compagny LINAGORA.
The SSO DAC module is a module allowing Drupal to use an SSO authentication with DAC (Discretionary access control).
The module read the SSO header and with the header informations search in the configured LDAP to retrieve users informations. The LDAP informations are then used to create or log the user.
For using the module properly, you need to configure it in admin/settings/sso_dac :