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Date:      Tue, 11 Aug 2015 11:01:16 -0700
From:      Garrett Cooper <yaneurabeya@gmail.com>
To:        "O. Hartmann" <ohartman@zedat.fu-berlin.de>
Cc:        Ed Schouten <ed@nuxi.nl>, freebsd-current <freebsd-current@freebsd.org>, "marcel@freebsd.org" <marcel@freebsd.org>
Subject:   Re: r286615: /usr/libexec/ftpd broken!
Message-ID:  <8EE69EF5-9B5B-42D3-B7C3-781CFB11C4B0@gmail.com>
In-Reply-To: <20150811150158.661063da@freyja.zeit4.iv.bundesimmobilien.de>
References:  <20150811074041.6700e943@freyja.zeit4.iv.bundesimmobilien.de> <20150811104451.2031fff2@freyja.zeit4.iv.bundesimmobilien.de> <CABh_MKm9tD=Fa1MZTGLUkF=MF7y%2Bf8Oy6n3oy5Ty93pWrBohHA@mail.gmail.com> <20150811140536.5bc82e6f@freyja.zeit4.iv.bundesimmobilien.de> <20150811150158.661063da@freyja.zeit4.iv.bundesimmobilien.de>

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> On Aug 11, 2015, at 06:01, O. Hartmann <ohartman@zedat.fu-berlin.de> wrote=
:
>=20
> On Tue, 11 Aug 2015 14:05:36 +0200
> "O. Hartmann" <ohartman@zedat.fu-berlin.de> wrote:
>=20
>> On Tue, 11 Aug 2015 13:18:14 +0200
>> Ed Schouten <ed@nuxi.nl> wrote:
>>=20
>>> Hi there,
>>>=20
>>> 2015-08-11 10:44 GMT+02:00 O. Hartmann <ohartman@zedat.fu-berlin.de>:
>>>> ftpd starts sometimes, sporadically, and dies somewhere in the process.=

>>>> Connections to the ftpd aren't possible. Sockstat doesn't even show up a=

>>>> TCP/IP socket (21, ftp/tcp) where the daemon is supposed to listen for
>>>> incoming connection - I see only udp4 (connecting to
>>>> local_unbound/127.0.0.1:53). This is strange ...
>>>=20
>>> That's annoying. We should fix that.
>>>=20
>>> I recently made some changes to shutdown(2), but a grep reveals that
>>> ftpd doesn't call that function anywhere. Phew! The last changes made
>>> to ftpd are related to libxo. Adding marcel@, just to be sure.
>>>=20
>>> In the meantime, could you maybe run truss(8) over ftpd and send us the
>>> output?
>>>=20
>>> Thanks,
>>=20
>> I found one of our boxes, running
>>=20
>> FreeBSD 11.0-CURRENT #0 r286562: Mon Aug 10 08:14:52 CEST 2015 amd64
>>=20
>> which runs ftpd without problems (started via service ftpd onestart):
>>=20
>> USER     COMMAND    PID   FD PROTO  LOCAL ADDRESS         FOREIGN
>> ADDRESS root     ftpd       23139 3  dgram  -> /var/run/logpriv
>> root     ftpd       23139 5  tcp6   *:21                  *:*
>> root     ftpd       23139 6  tcp4   *:21                  *:*
>>=20
>>=20
>> ... as expected ... and the daemon is running for several minutes for now=
 ...
>>=20
>> I will update the system as well and then ... see ... ;-)
>=20
> Well, after the update to FreeBSD 11.0-CURRENT #1 r286625: Tue Aug 11 14:0=
9:55
> CEST 2015  amd64, ftpd is still working! This box is the only one that doe=
s
> nameresolution via DNS (external), while all non-functional systems do not=
 have
> DNS resolution and work with local_unbound name resolving.

Something is indeed weird with DNS under some circumstances as of a few week=
s ago. I'm trying to update my box and I'm seeing a ton of complaints about u=
nbound handing back A records instead of AAAA ones. My machine is on an IPv4=
 NAT network, but I still find it odd how my last update a few weeks ago sta=
rted causing this..=



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