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Date: Fri, 13 Aug 2021 09:02:53 +0200
From: Daniel Wagner <wagi@monom.org>
To: Michal Zatloukal <myxal.mxl@gmail.com>
Cc: connman@lists.linux.dev
Subject: Re: IPv6 Online check broken/down?
Message-ID: <20210813070253.ebpxxyupaa7c5v7m@carbon.lan>
References: <CAKKZj2B6uwmwpAtAFgW7Av1Qasb6Yg1h2q-pHW17svwdQJE_Rg@mail.gmail.com>
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Hi Michal

On Thu, Aug 12, 2021 at 02:52:42PM +0200, Michal Zatloukal wrote:
> Hello.
> (Please Cc me into replies, I'm not subscribed)
> 
> I recently got IPv6 connectivity at home and soon noticed that connman
> on LibreELEC is continuously (every 3 minutes) trying to reach
> http://ipv6.connman.net/online/status.html - an "online connectivity
> check", as described by the documentation. The IPv6 host from that URL
> (currently 2001:8d8:8b4:c861:5826:fa5f:6690::, hosted by IONOS)
> appears to be completely dead (no response to ping, or TCP_SYN on port
> 80). Curiously, the hostname also resolves to an IPv4 address (also
> hosted by IONOS), where the HTTP server responds with "502 Bad
> gateway" (and ping responds as usual).

I get the same response here. Marcel said he is looking into it.

Daniel