Unable to change Kerberos Ticket Life and Renewal Life

[Tiago Elvas]

Hi Gaurav,

I have received great help from this mailing list for the same issue.
I think you'll find useful information in this topic:
http://serverfault.com/questions/132123/how-to-change-the-kerberos-default-ticket-lifetime

Best regards,

Tiago


On Thu, Apr 18, 2013 at 8:45 AM, Gaurav Dasgupta <gdsayshi at gmail.com> wrote:

> Hi All,
>
> I have MIT Kerberos setup in a CentOS 6 cluster. Everything is working fine
> except one thing. I want to change the default ticket life for all the
> principals and their renewal time also. For that I have first changed the *
> /etc/krb5.conf* to change the value of *ticket_lifetime = 7d* and
> *renew_lifetime
> = 30d*.
>
> Then I restarted the *krb5kdc* and *kadmin* services. Then, from the *
> Kadmin.local* shell, I used the following commands:
>
> modprinc -maxrenewlife 7day krbtgt/MY_REALM
> modprinc -maxrenewlife 7day +allow_renewable gaurav
>
> *Note*: *krbtgt/MY_REALM* is the default service principal and *gaurav* is
> a user principal.
>
> Now, when I am doing *kinit* for *gaurav*, and then *klist* to check the
> ticket details, I cannot see the new ticket_lifetime and renew_lifetime
> reflected. Its showing the old (default) values of 24h (ticket_lifetime)
> and 7d (renew_lifetime).
>
> I have also tried the command: *kinit -l 7d*. But this is also not working.
>
> Can someone tell me that how else I can change the ticket_lifetime and
> renew_lifetime for all the principals?
>
> Thanks,
> Gaurav
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