Another free/busy odditiy - Kontact vs. DNS?

Ingo Steuwer steuwer at univention.de
Fri Jan 23 08:20:44 CET 2009


Hello,

Am Donnerstag, 22. Januar 2009 schrieb ITSEF Admin:
> Hi all,
>
> while I was resolving my own problem with Kontact and free/busy (see list
> archives... it was a problem with a SSL certificate), several other users
> came to me also with free/busy problems. Again, free/busy simply did not
> work - and I was not even able to find any requests from them in the server
> logs. After some experimenting I finally found the solution for this
> problem as well: Contrary to our other users (and myself), the users with
> the problem had their FreeBusyRetrieveUrl set to:
> "https://KOLABSERVER/freebusy/" All other users have
> "https://KOLABSERVER.DOM.AIN/freebusy/". To my great surprise, only the
> second version (with the full domain) works. This is especially puzzling,
> as "host KOLABSERVER" yields the same result as "host KOLABSERVER.DOM.AIN"
> on the command line. Same with Konqueror - it does not matter whether I
> enter the domain or not, Konqueror does display the correct page on our
> Kolab server. Kontact seems to be the only exception.
>
> Does anybody have an idea why this is? Should I file a bugreport?
>
> Regards,
>
> Thomas

this might be connected to your SSL-Issue. SSL-certificates are only valid for 
the FQDN (KOLABSERVER.DOM.AIN) of your server, not for the IP or hostname 
(KOLABSERVER). If you'll open https://KOLABSERVER with your browser you'll 
see a warning also. Maybe it is similar to your latest issue that kontact 
doesn't show such a warning but simply "ignores" the server because of 
the "invalied" SSL certificate.

Regards,
Ingo


-- 
Ingo Steuwer
Head of Professional Services

Univention GmbH
Linux for your business
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Tel.: +49 421 22232-43
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steuwer at univention.de>
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