[ISSUE REPORT] connman ipv4 server no response

이원영 <[email protected]> Thu, 04 Jun 2026 10:13:46 +0900
Newsgroups dev.linux.lists.connman
Message-ID <20260604011346epcms1p57f7879c63ce2b091dbd27370e88798db@epcms1p5>
Dear Marcel and connman server engineers,

Hello, this is Wonyoung Lee working in Samsung Eletronics.
I had reported connman server issue before Nov 2023.

One of Samsung device uses ipv4.connman.net/online/status.html to check int=
ernet connectivity.
However, currently it has no responsed as timeout (CURL error 28)
I have checked the issue in South Korea.

Could please you check it ASAP?


The following email thread is the issue that I reported in Nov 2023.
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Hi Lee,

> Thank you for quick fix.
> It is very impressive experience for me.
>=20
>=20
> I hope to ask the following questions.
> 1. Could you share the reason of =22Connection timeout=22 if possible?
> 2. When I face https://protect2.fireeye.com/v1/url?k=3D1976931a-78fd8651-=
19771855-74fe485fb305-851354a353402d09&q=3D1&e=3Db29b7ab0-c5df-40c5-9f7f-1a=
01fa44f015&u=3Dhttp%3A%2F%2Fipv4.connman.net%2Fonline%2Fstatus.html access =
issue, can I report to this way?=20

after fixing ipv6.connman.net <https://protect2.fireeye.com/v1/url?k=3Dbe9c=
a340-df17b60b-be9d280f-74fe485fb305-8fbadceb1da3c1e7&q=3D1&e=3Db29b7ab0-c5d=
f-40c5-9f7f-1a01fa44f015&u=3Dhttp%3A%2F%2Fipv6.connman.net%2F> it took away=
 capacity from ipv4.connman.net <https://protect2.fireeye.com/v1/url?k=3D85=
3a0b6d-e4b11e26-853b8022-74fe485fb305-c3b592569573a2ff&q=3D1&e=3Db29b7ab0-c=
5df-40c5-9f7f-1a01fa44f015&u=3Dhttp%3A%2F%2Fipv4.connman.net%2F>. Seems the=
re are a lot of systems capable of IPv6 these days compared to back in the =
days when the service was created. The majority is still IPv4, but I have s=
een substantial IPv6 usage recently. So just increasing the capacity for IP=
v4 leveled this back to normal.

You might have noticed that ipv6.connman.net <https://protect2.fireeye.com/=
v1/url?k=3Da6941fc0-c71f0a8b-a695948f-74fe485fb305-4fd99c96e08c8959&q=3D1&e=
=3Db29b7ab0-c5df-40c5-9f7f-1a01fa44f015&u=3Dhttp%3A%2F%2Fipv6.connman.net%2=
F> went through actually and ipv4.connman.net <https://protect2.fireeye.com=
/v1/url?k=3D29c3bf12-4848aa59-29c2345d-74fe485fb305-6ed4e43dcdcfbd31&q=3D1&=
e=3Db29b7ab0-c5df-40c5-9f7f-1a01fa44f015&u=3Dhttp%3A%2F%2Fipv4.connman.net%=
2F> took a connection timeout hit every now and then (still a large percent=
age succeeded). The preference of answering IPv6 over IPv4 is something tha=
t I don=E2=80=99t=20understand=20and=20I=20have=20to=20investigate=20(for=
=20pure=20personal=20interest),=20but=20that=20should=20no=20longer=20be=20=
an=20issue.=0D=0A=0D=0AIssues=20can=20be=20reported=20here=20or=20the=20new=
ly=20created=20Slack=20channel=20(which=20I=20still=20have=20to=20put=20int=
o=20the=20README).=0D=0A=0D=0ARegards=0D=0A=0D=0AMarcel=0D=0A=3D=3D=3D=3D=
=3D=3D=3D=3D