hedrick--- via FreeIPA-users <freeipa-users@lists.fedorahosted.org>
writes:

> Here are our instructions for setting passwords to not expire. With obvious 
> adjustments it should let you set any expiration
>
> To allow staff to set password that don't expire, in GUI
>
>       • add permission Rutgers set expiration, write, type user, check 
> "krbpasswordexpiration"
>       • add privilege Rutgers set expiration and add permission Rutgers set 
> expiration to it, and add role administrator to it
>       • go to role Administrator and add group admins to it
>
> The group “admins” contains admin, and in our case other users that we
> want to be basically “root.” If you’re a member of admins you can do
> almost everything. However you can’t set password expirations, which
> is the reason for setting up a new permission for that group. Once
> things are set up:
>
> Here's an example of setting no expiration (actually a very long
> expiration) ipa user-mod clh
> --setattr=krbpasswordexpiration=20380101000000Z
>
> You can actually set dates beyond 2038, but I'm not sure whether all
> the code understands it.
>
> As you may know, the kerberos dates run out of bits around 2038. A lot
> of the code now handles long dates, but I’m not sure that all of it
> does. At one time kadmin.local didn’t.

We expect krb5-1.16 and onwards to be y2038-aware.  (RHEL 7.5+ are also
y2038-aware).

It is not, however, expected to work for dates past about 2106.

Thanks,
--Robbie

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