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System AdministratorsAuthentication methods
As a general rule of thumb, all configuration related to authentication methods can be found in a mix of the settings (inside the portal administration or the settings_current table) and the main/inc/conf/auth.conf.php file.
In order to keep track of who's identified through what, Chamilo usually keeps track of the user's authentication source through the auth_source field in the user table. A user identified through LDAP will use « ldap » (if synchronised automatically) or « extldap » (if first registered when logging in for the first time).