Re: [squid-users] private DNS, browsers, and Squid

For the archives:

It's not DNS, it's WINS. Disabling WINS made this problem disappear.

Sorry for the noise.

==ml

On Thu, Apr 26, 2007 at 11:16:58AM -0400, Michael W. Lucas wrote:
> Hi,
>
> (This might be considered tangential to this list. My apologies if
> so. I've searched the squid mailing list archives, FAQ, and Google
> without getting an answer, and squid-users@ is where I'll find the
> people who have dealt with this before.)
>
> I'm running squid 2.6 stable 9, on Linux. Our clients are configured
> to access the proxy via a proxy.pac file. We want our clients to
> access internal Web sites directly, but access external sites only
> through the proxy.
>
> Our clients are migrating from having full access to public DNS, to
> having access to only the internal private DNS. (Not my idea, but
> when global management says do it, you do it.) When we switch a
> client over to the private DNS, Web surfing slows a great deal.
>
> Packet sniffing shows that the client is talking to the proxy, but the
> client is also trying all of its DNS servers to resolve the hostname
> of the Web site. With complex Web sites this can take a while -- for
> example, the front page for www.cnn.com has several hostnames in it.
> I suspect this is causing the very slow access.
>
> Do other people see this behavior? What did you do? Surely we're not
> the first people to use Squid, IE, and private DNS?
>
> Thanks,
> ==ml
>
>
> --
> Michael W. Lucas mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org
> http://www.BlackHelicopters.org/~mwlucas/
> Latest book: PGP & GPG -- http://www.pgpandgpg.com
> "The cloak of anonymity protects me from the nuisance of caring." -Non Sequitur

-- 
Michael W. Lucas	mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org
		http://www.BlackHelicopters.org/~mwlucas/
	    Latest book: PGP & GPG -- http://www.pgpandgpg.com
"The cloak of anonymity protects me from the nuisance of caring." -Non Sequitur