On Sun, 14 Mar 2010 18:15:44 +0700
Denis Feklushkin <denis.feklush...@gmail.com> wrote:

> On Sun, 14 Mar 2010 19:12:33 +1100
> Brian May <br...@microcomaustralia.com.au> wrote:
> 
> > 2010/3/14 Denis Feklushkin <denis.feklush...@gmail.com>:
> > > I thought that if no realms provided by krb5.conf then DNS domain with 
> > > srv record will be default realm
> > 
> > The SRV record doesn't contain the realm, it contains the servers.
> > Heimdal can't contact the server until it knows the realm.
> 
> http://www.h5l.org/manual/HEAD/info/heimdal/Setting-up-DNS.html
> 
> > Heimdal will try to use DNS to find the KDCs for a realm.

...and I suggest that if the default realm is not found (krb5.conf does not 
exist, for example) fqdn is used as realm name and the default realm name too

> First it will try to find a SRV resource record (RR) for the realm. If no SRV 
> RRs > are found, it will fall back to looking for an A RR for a machine named 
> kerberos.REALM, and then kerberos-1.REALM, etc
> 
> > Adding this information to DNS minimises the client configuration
> > (in the common case, resulting in no configuration needed)
>    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Here I am just about
> 
> >and allows the system administrator to change the number of KDCs and on what 
> >machines they are running without caring about clients.
> 



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