Date: Mon, 22 Jan 2007 15:42:32 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: patrick <gibblertron@gmail.com> Cc: Robert Huff <roberthuff@rcn.com>, FreeBSD Questions <questions@freebsd.org> Subject: Re: how to know what DNS server is being used Message-ID: <20070122214232.GB4120@dan.emsphone.com> In-Reply-To: <b043a4850701220857p682048bdycc1bd069326f2e5e@mail.gmail.com> References: <20061028025626.GA39172@skytracker.ca> <2B8A4ACE-ACE3-44D0-B40B-26D96D43A4E8@shire.net> <17731.22324.706536.159980@jerusalem.litteratus.org> <45436449.4020509@infracaninophile.co.uk> <b043a4850701220857p682048bdycc1bd069326f2e5e@mail.gmail.com>
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In the last episode (Jan 22), patrick said: > On 10/28/06, Matthew Seaman <m.seaman@infracaninophile.co.uk> wrote: > >On recent FreeBSD, the resolver actually iterates through the listed > >nameserver lines in order, sending the query out to each in turn > >until it gets a response. It used to be that the resolver would > >wait for the full 30s DNS timeout before trying the next server > >(hence the cry dreaded by sysadmins everywhere that "the Internet is > >slow today"), but nowadays > > Is there any way to configure this 30 second delay for older versions > of FreeBSD (eg. 4.11)? You should be able to apply the changes made in rev1.31 of /usr/src/lib/libc/net/res_init.c ; the commit log for that revision is revision 1.31 date: 2003/12/07 12:32:24; author: murray; state: Exp; lines: +20 -0 Add support for timeout: and attempts: resolver options. Submitted by: Paul Vixie <paul@vix.com> / ISC MFC After: 1 week Apparently the MFC never happened :) -- Dan Nelson dnelson@allantgroup.com
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