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Bug#836236: prosody: doesn't try IPv4 when IPv6 fails

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Hi Cyril,

Thanks for the report. Can you please bump your log level up to
'debug' (there should be comments in your config file explaining how
to do this), and include those logs? The 'info' level logs tend to
give a high-level approximate view of issues, but only the debug logs
can be relied upon when debugging the low-level individual connection
attempts.

Thanks!

On 31 August 2016 at 22:16, Cyril Brulebois <kibi@debian.org> wrote:
> Package: prosody
> Version: 0.9.7-2+deb8u3
> Severity: normal
>
> Hi,
>
> My server is trying to initiate a connection to crans.org, which has the
> following DNS bits set up:
> | _xmpp-server._tcp.crans.org. 466 IN   SRV     5 0 5269 xmpp.crans.org.
> |
> | xmpp.crans.org.               466     IN      A       138.231.136.66
> | xmpp.crans.org.               466     IN      AAAA    2a01:240:fe3d:4:200:42ff:fe42:4204
>
> Logs say:
> | Aug 31 23:02:18 s2soute11b40    info    Beginning new connection attempt to crans.org ([2a01:240:fe3d:4:200:42ff:fe42:4204]:5269)
> | Aug 31 23:02:18 s2soute11b40    info    Out of connection options, can't connect to crans.org
> | Aug 31 23:02:18 s2soute11b40    info    Sending error replies for 1 queued stanzas because of failed outgoing connection to crans.org
>
> which is fair enough because:
>  - trying IPv6 first is the right thing to do;
>  - this port appears closed on IPv6 at the time of writing.
>
> But prosody should move to trying a connection on IPv4 instead of simply
> giving up and trying again a moment later.
>
> Thanks for your time.
>
>
> KiBi.

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Bug#836236: prosody: doesn't try IPv4 when IPv6 fails Cyril Brulebois <kibi@debian.org> - 2016-08-31 23:30 +0200
  Bug#836236: prosody: doesn't try IPv4 when IPv6 fails Matthew Wild <mwild1@gmail.com> - 2016-09-01 00:00 +0200
    Bug#836236: prosody: doesn't try IPv4 when IPv6 fails Cyril Brulebois <kibi@debian.org> - 2016-09-01 00:10 +0200
      Bug#836236: prosody: doesn't try IPv4 when IPv6 fails Cyril Brulebois <kibi@debian.org> - 2016-09-01 00:30 +0200
        Bug#836236: prosody: doesn't try IPv4 when IPv6 fails Matthew Wild <mwild1@gmail.com> - 2016-09-01 10:40 +0200
          Bug#836236: prosody: doesn't try IPv4 when IPv6 fails Cyril Brulebois <kibi@debian.org> - 2016-09-01 17:20 +0200

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