- http://lists.freeradius.org/mailman/htdig/freeradius-users/2007-February/060228.html
- http://lists.freeradius.org/mailman/htdig/freeradius-users/2007-February/060125.html
- http://lists.freeradius.org/mailman/htdig/freeradius-users/2007-February/060146.html