IPv6 connection problem with https://www.flickr.com/

From	Vincent Lefevre <vincent@vinc17.net>
Newsgroups	linux.debian.user
Subject	IPv6 connection problem with https://www.flickr.com/
Date	2017-02-16 03:10 +0100
Message-ID	<tbjGa-85v-5@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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On my Debian/unstable machine at home, IPv6 connection to
https://www.flickr.com/ freezes most of the time:

zira:~> wget -d https://www.flickr.com/
DEBUG output created by Wget 1.19.1 on linux-gnu.

Reading HSTS entries from /home/vinc17/.wget-hsts
URI encoding = ‘UTF-8’
Converted file name 'index.html' (UTF-8) -> 'index.html' (UTF-8)
--2017-02-16 02:46:17--  https://www.flickr.com/
Certificates loaded: 173
Resolving www.flickr.com (www.flickr.com)... 2a00:1288:7c:800::4001, 2a00:1288:7c:800::4000, 87.248.114.11, ...
Caching www.flickr.com => 2a00:1288:7c:800::4001 2a00:1288:7c:800::4000 87.248.114.11 87.248.114.12
Connecting to www.flickr.com (www.flickr.com)|2a00:1288:7c:800::4001|:443... connected.
Created socket 3.
Releasing 0x000055fbccaf8f70 (new refcount 1).

Then, I no longer get anything.

I don't have any problem with:
  * IPv4 to https://www.flickr.com/ from this machine
    (using wget -4 ...).
  * IPv6 to http://www.flickr.com/ from this machine (well, the
    redirection to https is done, then it blocks for https as above).
  * IPv6 to https://www.debian.org/ or https://www.google.com/ from
    this machine.
  * IPv6 to https://www.flickr.com/ from an Ubuntu machine on a
    different network (even when the used IP is the same, i.e.
    2a00:1288:7c:800::4001).

Note: I've used wget here for the information it gives, but from
this machine to https://www.flickr.com/ the connection also freezes
with Firefox and Lynx.

Any idea on where the problem could come from?

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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Thread

IPv6 connection problem with https://www.flickr.com/ Vincent Lefevre <vincent@vinc17.net> - 2017-02-16 03:10 +0100
  Re: IPv6 connection problem with https://www.flickr.com/ Jochen Spieker <ml@well-adjusted.de> - 2017-02-16 09:50 +0100
    Re: IPv6 connection problem with https://www.flickr.com/ Vincent Lefevre <vincent@vinc17.net> - 2017-02-16 10:00 +0100
    Re: IPv6 connection problem with https://www.flickr.com/ Vincent Lefevre <vincent@vinc17.net> - 2017-02-16 12:50 +0100
      Re: IPv6 connection problem with https://www.flickr.com/ Vincent Lefevre <vincent@vinc17.net> - 2017-02-16 13:40 +0100
  Re: IPv6 connection problem with https://www.flickr.com/ Brad Rogers <brad@fineby.me.uk> - 2017-02-16 10:10 +0100

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