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Date:      Mon, 17 Aug 2015 13:10:51 +0100
From:      Bob Bishop <rb@gid.co.uk>
To:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
Cc:        Christian Kratzer <ck@cksoft.de>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject:   Re: freebsd-update to 10.2-RELEASE broken ?
Message-ID:  <37B04206-8CC2-4FD5-BF11-19073BAAC36C@gid.co.uk>
In-Reply-To: <FF28419B-0661-4A3A-93B6-ED6E42D29BB1@lists.zabbadoz.net>
References:  <alpine.BSF.2.20.1508161911450.49345@noc1.cksoft.de> <2C3CC22D-749A-4B92-885C-D73311997050@gid.co.uk> <20150816180715.GM40589@home.opsec.eu> <alpine.BSF.2.20.1508162103400.49345@noc1.cksoft.de> <CA%2B7WWSdxf-YGn3cnD0H%2BSzj4yhvLS_XtB_qPZVkXabQbf=9u%2Bw@mail.gmail.com> <20150816200703.GN40589@home.opsec.eu> <alpine.BSF.2.20.1508162308470.49345@noc1.cksoft.de> <FF28419B-0661-4A3A-93B6-ED6E42D29BB1@lists.zabbadoz.net>

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> On 16 Aug 2015, at 23:08, Bjoern A. Zeeb =
<bzeeb-lists@lists.zabbadoz.net> wrote:
>=20
>=20
>> On 16 Aug 2015, at 21:16 , Christian Kratzer <ck-lists@cksoft.de> =
wrote:
>>=20
>> Hi,
>>=20
>> On Sun, 16 Aug 2015, Kurt Jaeger wrote:
>>> Hi!
>>>=20
>>>> It could be the classic fall back to TCP on SRV records problem on
>>>> your upstream DNS forwarder if you're using one:
>>>>=20
>>>> =
http://lists.freebsd.org/pipermail/freebsd-ports/2012-May/074801.html
>>>=20
>>> If I query that same DNS resolver using the line from
>>> the script, it works every time. It's a 10.1p16 host with
>>> a very recent ports build, and directly connected (no NAT, no
>>> fw etc).
>>>=20
>>> If that would be the problem, how could I diagnose it in depth ?
>>=20
>> freebsd-update upgrade just failed on 3 other vm even when I =
explicitly
>> specified the server using freebsd-update -s.
>>=20
>> I had success on another vm when I changed to using google dns.
>>=20
>> I am not aware that anything would be blocking tcp dns in my setups.
>>=20
>> Must be something else dns related.
>>=20
>> Perhaps I will run a local resolver in a vm and logg all queries and =
dns
>> traffic.
>=20
> Or run tcpdump for port 53;   also curious if it might be an IPv4 vs. =
IPv6 issue?

I saw the issue on machines with IPv4/IPv6 and IPv4 only.

> =E2=80=94=20
> Bjoern A. Zeeb                                  Charles Haddon =
Spurgeon:
> "Friendship is one of the sweetest joys of life.  Many might have =
failed
> beneath the bitterness of their trial  had they not found a friend."
>=20
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to =
"freebsd-stable-unsubscribe@freebsd.org"


--
Bob Bishop          +44 (0)118 940 1243
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             mobile +44 (0)783 626 4518








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