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

Arnaud Quette aquette.dev at gmail.com
Fri Feb 1 08:44:52 UTC 2013

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

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