Date: Mon, 22 Jan 2007 22:21:50 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> 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: <45B538FE.50409@infracaninophile.co.uk> 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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patrick wrote:
> On 10/28/06, Matthew Seaman <m.seaman@infracaninophile.co.uk> wrote:
>=20
>> 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 th=
e
>> full 30s DNS timeout before trying the next server (hence the cry drea=
ded
>> by sysadmins everywhere that "the Internet is slow today"), but nowada=
ys
>=20
> Is there any way to configure this 30 second delay for older versions
> of FreeBSD (eg. 4.11)?
Nope. It's specified in the DNS RFCs, and consequently built into the
client side resolver stuff in libc.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW
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