Date: Sun, 16 Sep 2001 17:12:48 -0700 From: "DrTebi" <drtebi@yahoo.com> To: <freebsd-questions@FreeBSD.ORG> Subject: Re: security level and system time question Message-ID: <008901c13f0d$7eaa4fa0$c8e1b3d8@liquidground.com> References: <001701c13efc$7b6853c0$c8e1b3d8@liquidground.com> <20010917003954.A8822@student.uu.se> <003b01c13f08$10a176f0$095f5f0a@battleship>
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Thanks to everyone, it worked and my time is up to date now. One thing I would like to add is that I also had to set ntpdate_flags="ntp.netcom.ca" so that ntpdate works at bootup. Are there any security risks running ntpd? If yes, how could they be fixed/limited? DrTebi > I would agree that ntpdate on bootup, then ntpd there after is a good idea. > > However, to avoid any security issues of running the ntpd service > constantly, I do ntpdate every hour instead. Even at securily level 2, it > does a good job. > > > > On Sun, Sep 16, 2001 at 03:11:05PM -0700, DrTebi wrote: > > > Hello, > > > I understand that it is not possible to run ntpdate or date when in > security > > > level 2 -- at least not when the time is off by more than one second. > > > I must say that's quite impossible to have a system clock that is not > > > inaccurate, at least mine are all not. > > > > > > What could be done to fix this? I would prefer to stay in security level > 2, > > > but don't want my time to be off by 1 minute every month. > > > Would it make sence to run a cron job (a'la ntpdate ntp.netcom.ca) every > > > minute? Does that sound unreasonable? Is there any security risk running > a > > > cron job like that (since it would have to be root's cron job)? > > > > First run ntpdate at startup. > > (ntpdate_enable in rc.conf) > > This will set your system time before the securelevel is raised. > > > > Then run ntpd (xntpd_enable in rc.conf) which will make sure that your > > system time is always less than a second off. (Actually it will keep > > the system time even more accurate.) > > Running ntpd is much more efficient than running ntpdate often. > > > > I don't actually run at increased securelevels so I can't guarantee > > that this will work in that case but it should work fine. > > > > -- > > <Insert your favourite quote here.> > > Erik Trulsson > > ertr1013@student.uu.se > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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