[Operators] Gmail federation

Juan Pablo Carlino jpcarlino at gmail.com
Thu Feb 23 15:58:35 UTC 2012


Hi,

thanks for your reply. In my configuration all vhosts use the same
configuration:

{s2s_use_starttls, true}.

and 'outgoing_s2s_options' is unset, so it uses the default value (ip4 else
ip6).

It would be interesting to know if this happens also with other XMPP
servers.

Thanks,

Juan Pablo

On Thu, Feb 23, 2012 at 12:20 PM, Mathias Ertl <mati at fsinf.at> wrote:

> Hi,
>
> On 2012-02-23 15:50, Juan Pablo Carlino wrote:
> > during the last three months i've experienced an intermittent problem to
> > federate with google.com. Actually this is a common problem if you
> browse
> > the web in search for this issue -there are several old threads reporting
> > the same, until some magic happens on Google side and everything goes
> back
> > to the expected behaviour-. But this time, the strange thing is that some
> > of the virtual hosts i manage on my ejabberd 2.1 server can federate
> fine,
> > while others don't. Moreover, these domains with problems later can do
> s2s
> > fine with Google, without any change on my side.
> > The symptom is always the same: during s2s handshake the outgoing
> > connection from my server closes by timeout waiting for a reply from
> Google
> > on the wait_for_validation state. But i don't see why some domains remain
> > unaffected while others don't.
> > If anybody is experiencing the same issue i would be glad to know about
> it.
>
> We experience the same problems. One server works, the other one
> doesn't. They are two completely different machines and domains, though.
>
> We use ejabberd on both servers, and there are two differences in s2s
> configuration, and I think (haven't had time to try it out though) one
> of them probably is the problem:
>
> 1.
> jabber.at (non-working) sets
>        "{outgoing_s2s_options, [ipv6, ipv4], 10000}."
> while jabber.fsinf.at does not set any s2s options.
>
> 2.
> jabber.at has
>        "{s2s_use_starttls, required}."
> while jabber.fsinf.at has
>        "{s2s_use_starttls, true}."
> ... which probably is an old form of the same. "true" no longer is a
> valid option in the new docs, so I am unsure what happens there (it may
> be handled as "optional" or so?")
>
> greetings, Mati
>
> --
> twitter: @mathiasertl | soup: http://soup.er.tl | xing: Mathias Ertl
> I only read plain-text mail!  I prefer signed/encrypted mail!
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.jabber.org/pipermail/operators/attachments/20120223/94991f92/attachment.html>


More information about the Operators mailing list