Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable X-RT-Original-Encoding: us-ascii Content-Length: 355 There appears to be an undocumented (in src/config-files/krb5.conf.M) "rdns" setting in the [libdefaults] section of krb5.conf. Confirmed in branches/krb5-1-8 and trunk. It would be good to add some documentation about this feature. Cheers, Dominic. -- Dominic Hargreaves, Systems Development and Support Team Computing Services, University of Oxford