[Python-Dev] [Infrastructure] bugs.python.org not reachable in IPv6?
mal at egenix.com
Mon Nov 4 17:18:53 CET 2013
On 04.11.2013 17:05, R. David Murray wrote:
> On Mon, 04 Nov 2013 16:34:46 +0100, Antoine Pitrou <antoine at python.org> wrote:
>> On lun., 2013-11-04 at 16:09 +0100, M.-A. Lemburg wrote:
>>> On 04.11.2013 11:01, Victor Stinner wrote:
>>>> bugs.python.org is still not responding on IPv6. Can someone please
>>>> remove the AAAA record from python.org DNS, or fix the IPv6
>>>> It's an issue on my PC because my PC has IPv6 address and so it cannot
>>>> reach bugs.python.org. wget is really slow because it tries first
>>>> IPv6, but then falls back to IPv4. Firefox tries first IPv4 and so
>>>> doesn't have the issue.
>>> The infrastructure team cannot do anything about this, since
>>> the tracker is hosted by Upfront Systems.
>>> They are hosting the instance at Hetzner in Germany, which does
>>> support IPv6.
>>> Do we have someone with login permission for the server running
>>> RoundUp ?
>> I think Ezio and Martin have access to the machine, but not necessarily
>> root access; and, furthermore, the problem might be somewhere else on
>> the network.
>> I think the best short-term measure is to disable the IPv6 resolution
>> for bugs.python.org. Otherwise people will run in the same issue over
>> and over again.
> We have root, but I don't think that helps.
> I currently see this:
> eth0 Link encap:Ethernet HWaddr 6c:62:6d:85:bb:7b
> inet addr:188.8.131.52 Bcast:184.108.40.206 Mask:255.255.255.248
> inet6 addr: 2a01:4f8:131:2480::3/64 Scope:Global
> so the problem appears to be a network issue (as far as I can see,
> there's no firewall running on the box itself). Disabling the AAA name
> record until we get a response from upfront sounds like a good idea.
> (I've added the upfront folks as nosy on the ticket Antoine opened
> on the meta-tracker.)
Some things to try on the box:
* ping6 2001:888:2000:d::a2 (that's python.org)
* check whether the web server is actually listening on the
* check whether a IPv6 default route is set up
If the first doesn't work, there's likely a router problem with
the server, which only Upfront can resolve (via a support request
to Hetzner or by checking their server IPv6 settings).
Here's the configuration page for the IPv6 setup:
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