Date: Sun, 7 Jul 2002 00:33:37 -0700 (PDT) From: Ben Lyon <blyon@blindfaith.org> To: "David G . Andersen" <danderse@cs.utah.edu> Cc: Ross Wheeler <rossw@albury.net.au>, twig les <twigles@yahoo.com>, Brian Reichert <reichert@numachi.com>, Kim Okasawa <kimokasawa@hotmail.com>, _@r4k.net, freebsd-security@FreeBSD.ORG Subject: Re: NTP security - (was Any security issues with root's cron job?) Message-ID: <Pine.BSF.4.21.0207070032210.3106-100000@kilgore.blindfaith.org> In-Reply-To: <20020705224406.B23004@cs.utah.edu>
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Ship over to truetime.com and have a look-see. Nice self-contained 1U GPS stratum 1 timeservers. Less than $2000 if I remember correctly.. -------------------------------------------------------------------- Ben Lyon blyon@blindfaith.org On Fri, 5 Jul 2002, David G . Andersen wrote: > Ross Wheeler just mooed: > > > > Whip over to ebay, buy a cheap second-hand GPS and cable, stick it into > > one of your servers and presto - instant "stratum 1" time reference for > > One thing to note with this approach is that you have to pick > your GPS carefully. Hand-helds often have really terrible time output; > a friend of mine used his PCMCIA GPS and was getting worse-than-NTP > time from it. If you can find it, look for a model that's optimized > for time synch. Trimble, UT+, etc. There's a good list of them in > the NTP faq at http://www.ntp.org/ > > > under a hundred bucks. Under your control (I can't see anyone taking over > > or DoSing the whole of the GPS network any time soon, do you?) > > Certainly not to attack one internet site, at least. :) > > -Dave > > -- > work: dga@lcs.mit.edu me: dga@pobox.com > MIT Laboratory for Computer Science http://www.angio.net/ > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-security" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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