Date: Mon, 28 Jan 2008 09:08:26 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> Cc: current@FreeBSD.org Subject: Re: resolver change? Message-ID: <20080128090552.B14807@fledge.watson.org> In-Reply-To: <86ir1eye24.fsf@ds4.des.no> References: <86d4rn1kln.fsf@ds4.des.no> <ygeejc3ck1z.wl%ume@mahoroba.org> <86sl0jywii.fsf@ds4.des.no> <yged4rncetu.wl%ume@mahoroba.org> <86abmryun9.fsf@ds4.des.no> <20080127184656.B60477@fledge.watson.org> <86myqrxaw3.fsf@ds4.des.no> <20080127204825.J71547@fledge.watson.org> <86ir1eye24.fsf@ds4.des.no>
next in thread | previous in thread | raw e-mail | index | archive | help
This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --621616949-1775755244-1201511306=:14807 Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Mon, 28 Jan 2008, Dag-Erling Sm=F8rgrav wrote: > Robert Watson <rwatson@FreeBSD.org> writes: >> On the grounds that paranoia is clearly better, my suggestion at this po= int=20 >> would be to run tcpdump between the caching resolver and ntpd and see wh= at=20 >> is actually going on the wire. > > In this case, they're on the same machine. I'm not sure how well tcpdump= =20 > works on loopback devices... It should work just fine. Make sure to use -vvv so you get all the details= =2E >> The name server should be rotating them in reply, and it would be good t= o=20 >> confirm that it's doing that. > > The results from host(1) seem to indicate that it does. > >> It would also be good to check that it's looking up what you think it's= =20 >> looking up, and indeed, what it should be looking at. > > Not sure what you mean by this... I'm sure I don't have to tell you that when debugging, it's good to look un= der=20 the hood to see what's actually happening, as one misunderstanding can wast= e=20 hours of time chasing the wrong lead. Robert N M Watson Computer Laboratory University of Cambridge --621616949-1775755244-1201511306=:14807--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080128090552.B14807>