Constraint Delegation with MIT Kerberos

[Simo Sorce]

Constrained delegation in MIT Kerberos required database configuration
support.
This is not available in plain DB2, only available if you use a backend
like LDAP.
FreeIPA (or Red Hat Identity Management) support Constrained delegation
for example.

HTH,
Simo.

On Fri, 2019-04-05 at 14:38 +0000, Jeffries, Joseph L wrote:
> Thanks Christopher.  I have followed this and can get it to work, but when I add MIT Kerberos into the mix it does not work.  According to Microsoft 3 Tier Kerberos support there needs to be a service or spn configured for MIT Kerberos to do Constraint Delegation.  So I am looking for documentation or cook book on how to configure MIT Kerberos to do Constraint Delegation.  
> 
> Thanks,
> Joseph
> 
> -----Original Message-----
> From: Christopher D. Clausen <cclausen at acm.org> 
> Sent: Friday, April 5, 2019 9:21 AM
> To: Jeffries, Joseph L <Joseph.Jeffries at minnstate.edu>; kerberos at mit.edu
> Subject: Re: Constraint Delegation with MIT Kerberos
> 
> For Active Directory:
> https://nam02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.microsoft.com%2Fen-us%2Fwindows-server%2Fsecurity%2Fkerberos%2Fkerberos-constrained-delegation-overview&amp;data=02%7C01%7CJoseph.Jeffries%40minnstate.edu%7Cda33b6f47a0b4001035b08d6b9d1fe16%7C5011c7c60ab446ab9ef4fae74a921a7f%7C0%7C1%7C636900708895916671&amp;sdata=JxKG%2FqXwrkCqAKIsHt0NWsctVZW3hNjBKJcwSUuWwIA%3D&amp;reserved=0
> 
> 
> <<CDC
> 
> On 4/5/2019 8:35 AM, Jeffries, Joseph L wrote:
> > I did not get a response from anybody.  Does anybody have instructions for setting up Constraint Delegation on any platform?
> > 
> > Thanks,
> > Joseph
> > 
> > -----Original Message-----
> > From: kerberos-bounces at mit.edu <kerberos-bounces at mit.edu> On Behalf Of Jeffries, Joseph L
> > Sent: Wednesday, April 3, 2019 8:47 AM
> > To: kerberos at mit.edu
> > Subject: Constraint Delegation with MIT Kerberos
> > 
> > Hello All,
> > I am new to Kerberos and I am trying to setup Constraint Delegation with MIT Kerberos.  I do have Full\Open Delegation working, but one of the servers (Microsoft Power BI Server OnPrem) requires Constraint Delegation.  I have not found instructions for setting Constraint Delegation up in a Windows server environment.  Could someone share the instructions, if they exists or provide me the steps to make this work?
> > 
> > Thank you in advance!
> > 
> > Joseph
> 
> ________________________________________________
> Kerberos mailing list           Kerberos at mit.edu
> https://mailman.mit.edu/mailman/listinfo/kerberos

-- 
Simo Sorce
Sr. Principal Software Engineer
Red Hat, Inc