RE: RES: OT: DNS dies

  • From: "Mark Hippenstiel" <m.hippenstiel@xxxxxxxxxxxx>
  • To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
  • Date: Fri, 28 Mar 2003 15:30:05 +0100

Well,
I use my DC for DNS, and the web/fw clients will never resolve on their own
than rather letting isa do the job for them. Since I use a dial-up
connection, external DNS' are always set on the external interface, so
there's no issue with that. Looks like a bug or flaw in dns, although I have
to say that I experience this problem for the first time (at least with
win2k, let's not talk about nt4 :-)

Anyway, basically the setting is the same as yours, exept that DNS queries
are processed by ISA server before reaching the real world.

Mark

> -----Original Message-----
> From: Tiago de Aviz [mailto:Tiago@xxxxxxxxxxxxxxx]
> Sent: Friday, March 28, 2003 3:22 PM
> To: [ISAserver.org Discussion List]
> Subject: [isalist] RES: OT: DNS dies
>
>
> http://www.ISAserver.org
>
>
> Mark,
>
> Here I set up a DNS Server on my ISA Server, and I also set
> up some ISP DNS servers on my forwarder list. I don't use an
> internal server to do this.
>
> Only Secure NAT folks won't resolve after the DNS hangs?
>
> Tiago de Aviz
> IT Consultant
> MCP-CNA-AIX-CCNA-CCDA
> --------------------------------
> www.softsell.com.br
> tiago@xxxxxxxxxxxxxxx
> --------------------------------
>
>
> -----Mensagem original-----
> De: Mark Hippenstiel [mailto:m.hippenstiel@xxxxxxxxxxxx]
> Enviada em: sexta-feira, 28 de março de 2003 11:17
> Para: [ISAserver.org Discussion List]
> Assunto: [isalist] OT: DNS dies
>
> http://www.ISAserver.org
>
>
> Hi list,
>
> Slightly off-topic: Has anybody experienced a problem with
> DNS service dying intermittantly? I have my internal DNS
> setup as a forwarder and allowed DNS communication on ISA.
> Every now and then the DNS dies resulting in Secure NAT
> clients not able to resolve external addresses. First I
> thought this could be caused by my testing on the ISA server
> but I found out that this happens even if I don't touch anything.
>
> I applied all necessary updates and SPs and checked KB but
> without success. Any idea??
>
> Thanks
> mark
>
>
>
> Free Trial Software: Monitor & Manage Web Use with
> SurfControl Web Filter for MS ISA Server
> http://www.surfcontrol.com/go/zisadl1
>
>
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