[Nut-upsdev] Issues accessing http://www.networkupstools.org/ via IPv6

Arnaud Quette aquette.dev at gmail.com
Fri Feb 1 09:08:42 UTC 2013


2013/2/1 Arnaud Quette <aquette.dev at gmail.com>

> 2013/1/27 Paul Fertser <fercerpav at gmail.com>
>> (I guess that might have slipped through the cracks of the Christmas
>> holidays, resending)
> not exactly, I've been MIA (missing in action, as we say in Debian) due to
> my many real life responsibilities...
> and I'm still not really there :-/
>> Hi,
>> The website is inaccessible via IPv6 for some users that have MTU less
>> than 1500 on their network interfaces, confirmed by several regulars
>> at #ipv6.
>> This looks like a misconfiguration of the server infrastructure that
>> might be dropping ICMPv6 "fragmentation needed but DF set" packets
>> before they have a chance to get back to the http daemon so it can do
>> proper PMTU to the clients.
>> Please consider fixing this rather sooner than later as it makes the
>> website "very slow" (i.e. the browser waits for the connection to
>> timeout and only then retries via IPv4) and also breaks NUT
>> compilation for OpenWrt (and other source-based distros that use wget
>> or curl to download the sources).
> thx a lot for your report.
> IPv6 is something important, and I'm making everything for both the source
> code and the website to be IPv6 enabled.
> this was another reason for leaving Eaton website hosting...
> sadly, the only v6 access I have is a partial one @home: SFR (in France)
> has not setup DNSv6!
> this was at least the last time I checked (~2 months ago)
> I'll look at the server. ping me if needed

I've submitted a report to my SaaS provider (Gandi):

@Peter: don't hesitate to participate to this Gandi forum topic...

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