Date: Thu, 10 May 2001 13:28:32 +0200 From: Brad Knowles <brad.knowles@skynet.be> To: Arcady Genkin <antipode@thpoon.com>, freebsd-chat <freebsd-chat@FreeBSD.ORG> Subject: Re: Hosting my own domain. Message-ID: <p05100307b7202b0bd7c8@[194.78.241.123]> In-Reply-To: <877kzpvg19.fsf@tea.thpoon.com> References: <Pine.LNX.4.10.10105062258270.1151-100000@bilawal.cse.iitd.ernet.in> <15093.37891.477055.231085@guru.mired.org> <877kzpvg19.fsf@tea.thpoon.com>
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At 3:06 AM -0400 5/10/01, Arcady Genkin wrote:
> A month or so ago I read in comp.risks a message from a guy, who had a
> home computer that was the primary DNS server for his domain. So he
> wrote a message to some popular moderated mailing list. He claims
> that once the moderator approved his message, and it started to go out
> to all the subscribers, their mail servers started resolving his domain
> name (which wasn't in anybody's cache), to the point that his Pentium
> (or whatever) computer could not handle it and crashed a few times.
If he was running an old enough version of BIND, and a slow
enough machine (with an old enough OS), I could see this as being a
problem -- but only if he was stupid and did not have a proper
secondary configured for his domain.
Otherwise, people should have been able to figure out relatively
quickly that his secondary (presumably his ISP, or a service like
secondary.com) is responding much, much faster to queries than his
server is (and should naturally get at least half the queries even if
they don't know anything else at all about his domain or his
nameservers), and take that load off his machine.
> Would anybody care to comment on this? Anyone running their own
> primary DNS off a home computer on a cable modem/DSL line?
Sorry, IMO this is an example of a confluence of several poor
design/implementation decisions, and fixing any one of the problems
in question would be sufficient to prevent the outcome that he saw.
Poor planning and all that....
--
Brad Knowles, <brad.knowles@skynet.be>
/* efdtt.c Author: Charles M. Hannum <root@ihack.net> */
/* Represented as 1045 digit prime number by Phil Carmody */
/* Prime as DNS cname chain by Roy Arends and Walter Belgers */
/* */
/* Usage is: cat title-key scrambled.vob | efdtt >clear.vob */
/* where title-key = "153 2 8 105 225" or other similar 5-byte key */
dig decss.friet.org|perl -ne'if(/^x/){s/[x.]//g;print pack(H124,$_)}'
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