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Date:      Thu, 08 Apr 1999 12:21:22 +0900
From:      "Daniel C. Sobral" <dcs@newsguy.com>
To:        Greg Lehey <grog@lemis.com>
Cc:        Nick Sayer <nsayer@FreeBSD.ORG>, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/kern kern_time.c
Message-ID:  <370C20B2.BD062E4F@newsguy.com>
References:  <199904071636.JAA15238@freefall.freebsd.org> <19990408100716.I2142@lemis.com>

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Greg Lehey wrote:
> 
> On Wednesday,  7 April 1999 at  9:36:57 -0700, Nick Sayer wrote:
> > nsayer      1999/04/07 09:36:57 PDT
> >
> >   Modified files:
> >     sys/kern             kern_time.c
> >   Log:
> >   If securelevel>1, allow the clock to be adjusted negatively only up to
> >   1 second prior to the highest the clock has run so far. This allows
> >   time adjusters like xntpd to do their work, but the worst a miscreant
> >   can do is "freeze" the clock, not go back in time.
> 
> Does this mean that if somebody accidentally sets the time to the
> wrong year, the only thing he can do to fix it is to reboot in
> single-user mode?  I'm not convinced that this is a gain.  What do
> people doing Y2K tests do?

How about not using securelevel>1 when doing such tests?

--
Daniel C. Sobral			(8-DCS)
dcs@newsguy.com
dcs@freebsd.org

	"nothing better than the ability to perform cunning linguistics"



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