* To edit LDAP database from a GUI tool, use ''gq'' program
 * To connect to hcoop's ldap server using ''gq'', create a SSH tunnel: ''' ssh -f -N -L 389:localhost:389 USERNAME@deleuze.hcoop.net''', and then connect to ''localhost:389'' in ''gq''.
 * For the description of the actual authentication scheme, see AuthenticationScheme.