Date: Wed, 01 Dec 2004 23:56:05 +1100 From: Mark Andrews <Mark_Andrews@isc.org> To: Tenebrae <tenebrae_BSD@niceboots.com> Cc: freebsd-stable@freebsd.org Subject: Re: DNS timeouts Message-ID: <200412011256.iB1Cu5SE037512@drugs.dv.isc.org> In-Reply-To: Your message of "Wed, 01 Dec 2004 04:22:05 -0800." <20041201041106.E96430@localhost>
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> On Wed, 1 Dec 2004, [ISO-8859-2] Kovács Péter wrote: > > > Hello, > > > > > > I have asked a similar question regarding to this issue, but > > so far no solutions were made. Please help me. > > > > I have a FreeBSD 4-STABLE box with udp.log_in_vain enabled. > > Since the computer has 3 IP’s and only one network card > > (virtual hosts) it should resolve names pretty fast (lot’s > > of services). > > So I got these error messages: > > Connection attempt to UDP FreeBSD Box:4320 from DNS:53 > > Connection attempt to UDP FreeBSD Box:1363 from DNS:53 > > This is because the DNS lookups are timing out. So I had set > > up a DNS server on the FreeBSD itself for the errors to stop. > > > > I just have no luck with it. The same errors come up. I just > > simply can’t understand how this time out could happen if it > > goes on localhost. And the DNS is not overloaded. > > > > I also tried to edit the /etc/resolv.conf file and add a > > „lookup file bind > > „ line but I think this is not supported in FreeBSD. At > > least it’s not in the manual and it didn’t help. > > > > What can I do? I don’t want to disable udp.log_in_vain! You ignore them. They won't go away as they are part and parcel of the tradeoffs made in the design of the DNS. > Hey Peter, > I did a google search and found this thread on the freebsd-security list: > > http://lists.freebsd.org/pipermail/freebsd-security/2003-April/000127.html > > Does that look about right? > Crist J. Clark had a good summary at the end of the thread with what > appears to be causing it. > > You don't really include any information about your DNS setup that could > be useful for troubleshooting that, though. > What DNS server/version are you running? Bind 8 or 9 maybe? > I think what you may have been looking for was the /etc/host.conf file. > Hope this is useful. > -Tenebrae. > --- > The sending of any unsolicited email advertising messages to this domain > may result in the imposition of civil liability against you in accordance > with Cal. Bus. & Prof. Code Section 17538.45. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org
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