[SSSD-users] 1.11.5 ddns failure on Ubuntu 14.04[SOLVED]
Jakub Hrozek
jhrozek at redhat.com
Wed Jul 9 20:58:23 UTC 2014
On 25 Jun 2014, at 16:57, Simo Sorce <simo at redhat.com> wrote:
> On Wed, 2014-06-25 at 15:43 +0200, Jakub Hrozek wrote:
>> On Wed, Jun 25, 2014 at 09:34:25AM -0400, Simo Sorce wrote:
>>> On Wed, 2014-06-25 at 09:30 +0000, Longina Przybyszewska wrote:
>>>> With correct domain ;)...
>>>>
>>>>> By default, we contact the server we establish the LDAP connection with. I’m sorry, I got a bit lost in the thread — what was >the difference between the right server and the wrong server in your setup.
>>>>
>>>> In our case, DNS server is not LDAP - it is separate win DNS serer.
>>>> There is also split DNS server resolving all in/out requests from intern clients.
>>>> This one is known for resolver on all clients, but can't be used for dyndns updates.
>>>>
>>>>> In general, SSSD tries to do as little as possible and we try to let nsupdate do its job right..
>>>>
>>>>
>>>> But sssd supplies data for update record for nsupdate, right?
>>>
>>> Please open a bug against sssd.
>>
>> Please don't (yet).
>>
>>>
>>> For some reason the server name is being forcibly served top nsupdate
>>> and that shouldn't be the case, passing a "server" option should be only
>>> a fallback case.
>>
>> It is only a fallback, the way I read the code. I haven't seen the full
>> domain logs, so I can't tell if the sssd falls back to trying the server
>> or tries the server right away (which would be a bug).
>>
>>>
>>> Nsupdate should be let the ability to discover the correct server by
>>> querying the DNS and picking the available authoritative server.
>>>
>>> Feel free to quote the above ion the ticket. It is definitely a bug in
>>> sssd.
>>
>> No, it's not.
>
> As far as I can read the AD code always put the server there.
>
> Down below the pure nsupdate code can cope with the server name missing,
> but the AD code doesn't, unless I am missing something.
>
The hostname /is/ passed from the AD code to the SDAP code unconditionally but not used for the first pass. If the first pass fails, then SSSD retries using the host name.
I implemented the suggestion you had with the new option, I think that’s the only way to solve the problem our users were having.
> Simo.
>
> --
> Simo Sorce * Red Hat, Inc * New York
>
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