[Freeipa-users] Trust between IPA and another MIT Kerberos Realm

[Rob Crittenden]

Matt Bryant wrote:
> All,
>
> Is there any documentation anywhere that describes whether this can be
> done and how to do it ?? Would like to set up a one way trust between a
> new IPA realm and a legacy kerberos realm. The doco explicitly says dont
> use kadmin/kadmin.local so not sure how to get the
> krbtgt/OLD_REALM at IPA-REALM principle into IPA that would facilitate such
> a trust.

We haven't implemented (or tested) this yet. It is just MIT Kerberos 
under-the-hood so in theory creating the right principals should do the 
trick.

If you have IPA 3.0+ then you can use kadmin to create the principals 
you need. IIRC the RHEL Kerberos documentation is fairly good in this 
regard.

rob