From owner-freebsd-questions@FreeBSD.ORG Tue Apr 21 18:23:18 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 51D601065674 for ; Tue, 21 Apr 2009 18:23:18 +0000 (UTC) (envelope-from mel.flynn+fbsd.questions@mailing.thruhere.net) Received: from mailhub.rachie.is-a-geek.net (rachie.is-a-geek.net [66.230.99.27]) by mx1.freebsd.org (Postfix) with ESMTP id 1D61D8FC0A for ; Tue, 21 Apr 2009 18:23:17 +0000 (UTC) (envelope-from mel.flynn+fbsd.questions@mailing.thruhere.net) Received: from sarevok.dnr.servegame.org (mailhub.lan.rachie.is-a-geek.net [192.168.2.11]) by mailhub.rachie.is-a-geek.net (Postfix) with ESMTP id B1E0C7E837; Tue, 21 Apr 2009 10:23:15 -0800 (AKDT) From: Mel Flynn To: freebsd-questions@freebsd.org Date: Tue, 21 Apr 2009 20:23:14 +0200 User-Agent: KMail/1.11.2 (FreeBSD/8.0-CURRENT; KDE/4.2.2; i386; ; ) References: <200904211106.01965.mel.flynn+fbsd.questions@mailing.thruhere.net> <200904211643.32448.mel.flynn+fbsd.questions@mailing.thruhere.net> <20090421183133.4e0c414f@gumby.homeunix.com> In-Reply-To: <20090421183133.4e0c414f@gumby.homeunix.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904212023.14365.mel.flynn+fbsd.questions@mailing.thruhere.net> Cc: RW Subject: Re: Preventing ntpd from adjusting time (backwards) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Apr 2009 18:23:18 -0000 On Tuesday 21 April 2009 19:31:33 RW wrote: > On Tue, 21 Apr 2009 16:43:32 +0200 > > Mel Flynn wrote: > > On Tuesday 21 April 2009 16:20:52 RW wrote: > > > The bottom line though, is that ntpdate_enable=yes solves the > > > problem entirely, since the real problem is not the step, but the > > > fact that it happens in the background, and after a delay. > > > > Care to expand on that? Dovecot won't stop if root issues a date > > command that sets time to the past, for example? > > I was assuming that since you're running ntpd you wouldn't be doing > that. Right, then this works because ntpdate is started before dovecot in rcorder, like Tim Judd said else in thread. > > > ntpdate may be deprecated, but it's been deprecated for years, and I > > > doubt it will go away until ntpd fully replaces it's functionality. > > > ntpd -gq can replace ntpdate in a crontab, but ntpd -gqn doesn't > > > really replace ntpdate -b in the boot-sequence. > > > > I'm actually counting on it to be gone in 8.0. > > Is that official? Nope, but 3 major releases of mourning should be enough ya think? Maybe not, given the problems above. Now I'm also wondering how ntpd handles securelevel 2. -- Mel