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Date: Tue, 1 Jun 2004 16:12:13 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Mike Silbersack <silby@silby.com>
Message-ID: <20040601231213.GA3894@xor.obsecurity.org>
References: <20040601120238.B44353@atlantis.atlantis.dp.ua>
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cc: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua>
cc: freebsd-net@freebsd.org
Subject: Re: net.inet.ip.portrange.randomized=1 hurts
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On Tue, Jun 01, 2004 at 12:05:35PM -0500, Mike Silbersack wrote:
>=20
> On Tue, 1 Jun 2004, Dmitry Pryanishnikov wrote:
>=20
> >  The main question is: how to prevent this situation? Of course, as a
> > workaround I can set net.inet.ip.portrange.randomized to zero, but what=
's
> > the real solution? Is it FTP-client or FTP-server that should take care=
 of
> > the previous DATA port usage? Or even network stack behaviour should be
> > further modified to avoid this collision?
> >
> > Sincerely, Dmitry
> > --
> > Atlantis ISP, System Administrator
> > e-mail:  dmitry@atlantis.dp.ua
> > nic-hdl: LYNX-RIPE
>=20
> Sounds like something that should be dealt with on the server's end.  Some
> of the changes we've made in 5.x might fix the problem, but I don't think
> anyone has looked into that specific case.

Is this also the cause of the mysql server connection failures
reported on freebsd-stable@?

Kris
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