[Operators] Gmail federation

Björn Kempén buffi at google.com
Fri Jan 11 12:13:48 UTC 2013


We do not currently support TLS on our s2s connections, so that's currently
not expected to work.




On Fri, Jan 11, 2013 at 1:07 PM, Mathias Ertl <mati at fsinf.at> wrote:

> On 2013-01-11 10:25, Björn Kempén wrote:
> > Juan Pablo Carlino:
> > I suspect that our servers notice that your server is unreachable, and
> > cache this to not attempt to set up a new connection for each outgoing
> > message addressed to your domain.
> > It seems strange that this cache would disallow connections for two days
> > though, so I'll look into it.
> >
> > Mathias Erti:
> > We resolved some issues with Federation connections a few months back,
> but
> > if you're still experiencing issues, feel free to write up what exactly
> > you're seeing, and what you're doing to reproduce it.
>
> We are seeing the same issues as always, ever since we started enforcing
> TLS on s2s connections. As far as I know, there have been no other
> servers with connection problems. As always, all my (and others)
> gmail.com contacts appear as remote-server-not-found. As far as I can
> tell, this problem only exists with google-talk and domains hosted by it.
>
> Note that our server hasn't been offline or unreachable for over a
> month. If your servers judged jabber.at to be offline, there is some
> other connection issue.
>
> Björn: You have me in Jabber, via our other XMPP server - my JID is the
> same as my email. Feel free to ping me there if you want to live-debug
> any problems on your side!
>
> greetings, Mati
>
> >
> >
> > On Thu, Jan 10, 2013 at 8:15 PM, Mathias Ertl <mati at fsinf.at> wrote:
> >
> >> Hi Björn,
> >>
> >> On 2012-02-27 11:24, Björn Kempén wrote:
> >>> I will update this email thread when I have any updates.
> >>
> >> Sorry for my impatience, but are there any updates? :-)
> >>
> >> greetings, Mati
> >>
> >>> On Mon, Feb 27, 2012 at 11:20 AM, Peter Viskup <skupko.sk at gmail.com>
> >> wrote:
> >>>> On 02/27/2012 11:04 AM, Björn Kempén wrote:
> >>>>>
> >>>>> Thanks, I was not aware of this issue, and I'll file an internal bug
> >> for
> >>>>> it :)
> >>>>>
> >>>>>
> >>>>> Also, I've sent out private emails in response to some of the people
> >>>>> offering to help out with the server-to-server debugging.
> >>>>> Thanks a lot for offering to help us out with debugging this issue.
> >>>>>
> >>>>> Currently, our server fails a lot of attempted dialback for "real"
> >>>>> reasons, such as domains lacking SRV records, which can make it very
> >>>>> hard to detect regressions in the dialback code.
> >>>>> I'm hoping to have the issues reported here resolved as soon as
> >> possible.
> >>>>>
> >>>>> Thanks.
> >>>>> - Björn, Google
> >>>>>
> >>>>>
> >>>>> On Sun, Feb 26, 2012 at 1:35 PM, sergio<mailbox at sergio.spb.ru>
>  wrote:
> >>>>>>
> >>>>>> Hello, Björn.
> >>>>>>
> >>>>>>> I am one of the guys at Google responsible for our Google Talk XMPP
> >>>>>>> Federation implementation. We'd like to debug this issue a bit more
> >>>>>>> in-depth to figure out what's going on.
> >>>>>>
> >>>>>> It's very good! We waited for you.
> >>>>>>
> >>>>>> Really I have another problem, but with similar symptoms.
> >>>>>> The problem is that google (gmail) doesn't work with fallback (lower
> >> srv
> >>>>>> recorded) servers. Only with primary.
> >>>>>> I've already described it here:
> >>>>>> http://mail.jabber.org/pipermail/operators/2011-April/001138.html
> >>>>>>
> >>>>>>> It would be very helpful for us to have a conversation (over chat
> or
> >>>>>>> phone) with someone having these connection issues, while having a
> >>>>>>> short debugging session where a federated domain attempt to connect
> >> to
> >>>>>>> us.
> >>>>>>
> >>>>>> Yes! My jid is sergio at jabber.ru.net
> >>>>>>
> >>>>>> --
> >>>>>> sergio.
> >>>>
> >>>>
> >>>> Hi Bjoern,
> >>>> nice to see somebody from Google taking care of this. Anyway - is it
> >>>> possible for us to check updates about ongoing investigation of this
> >> issue?
> >>>> Thank you.
> >>>>
> >>>> Best regards,
> >>>> --
> >>>> Peter Viskup
> >>
> >>
> >> --
> >> twitter: @mathiasertl | soup: http://soup.er.tl | xing: Mathias Ertl
> >> I only read plain-text mail!  I prefer signed/encrypted mail!
> >>
> >>
> >
>
>
> --
> twitter: @mathiasertl | soup: http://soup.er.tl | xing: Mathias Ertl
> I only read plain-text mail!  I prefer signed/encrypted mail!
>
>
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