From owner-freebsd-security@FreeBSD.ORG  Wed Dec 24 17:12:16 2014
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Date: Wed, 24 Dec 2014 17:12:04 +0000
From: Glen Barber <gjb@FreeBSD.org>
To: Andrei <az@azsupport.com>
Subject: Re: FreeBSD Security Advisory FreeBSD-SA-14:31.ntp
Message-ID: <20141224171203.GF40485@hub.FreeBSD.org>
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X-Operating-System: FreeBSD 11.0-CURRENT amd64
X-SCUD-Definition: Sudden Completely Unexpected Dataloss
X-SULE-Definition: Sudden Unexpected Learning Event
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On Wed, Dec 24, 2014 at 05:42:16PM +0100, Andrei wrote:
> On Wed, 24 Dec 2014 00:33:09 +0100 (CET)
> FreeBSD Security Advisories <security-advisories@freebsd.org> wrote:
>=20
> > No workaround is available, but systems not running ntpd(8) are not
> > affected.  Because the issue may lead to remote root compromise, the
> > FreeBSD Security Team recommends system administrators to firewall NTP
> > ports, namely tcp/123 and udp/123 when it is not clear that all
> > systems have been patched or have ntpd(8) stopped.
>=20
> Why tcp/123?
>=20

 gjb@nucleus:~ % grep -i ^ntp /etc/services
 ntp             123/tcp    #Network Time Protocol
 ntp             123/udp    #Network Time Protocol

Glen


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