[isalist] Re: OT: DNS and Forwarders
- From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
- To: <isalist@xxxxxxxxxxxxx>
- Date: Wed, 18 Oct 2006 11:38:26 -0500
http://www.ISAserver.org
-------------------------------------------------------
Not for outbound DNS. DNS resolvers are 2003. The advertisers are 2000.
Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP -- Microsoft Firewalls (ISA)
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx
> [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Steve Moffat
> Sent: Wednesday, October 18, 2006 11:16 AM
> To: ISA Mailing List
> Subject: [isalist] Re: OT: DNS and Forwarders
>
> http://www.ISAserver.org
> -------------------------------------------------------
>
> You use 2000 advanced server for your dns do you not?
>
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx
> [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Thomas W Shinder
> Sent: Wednesday, October 18, 2006 1:13 PM
> To: ISA Mailing List
> Subject: [isalist] Re: OT: DNS and Forwarders
>
> http://www.ISAserver.org
> -------------------------------------------------------
>
> I used forwarders and haven't ever seen that issue unless my ISP's DNS
> server is bogged down, which doesn't happen very often because I use
> Speakeasy :)
>
> Thomas W Shinder, M.D.
> Site: www.isaserver.org
> Blog: http://blogs.isaserver.org/shinder/
> Book: http://tinyurl.com/3xqb7
> MVP -- Microsoft Firewalls (ISA)
>
>
>
> > -----Original Message-----
> > From: isalist-bounce@xxxxxxxxxxxxx
> > [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Steve Moffat
> > Sent: Wednesday, October 18, 2006 11:10 AM
> > To: ISA Mailing List; ISA Mailing List
> > Subject: [isalist] Re: OT: DNS and Forwarders
> >
> > http://www.ISAserver.org
> > -------------------------------------------------------
> >
> > Betcha it's a 2003 bug....doesn't happen unless you use
> > forwarders.......
> >
> > -----Original Message-----
> > From: isalist-bounce@xxxxxxxxxxxxx
> > [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Thomas W Shinder
> > Sent: Wednesday, October 18, 2006 1:08 PM
> > To: ISA Mailing List
> > Subject: [isalist] Re: OT: DNS and Forwarders
> >
> > http://www.ISAserver.org
> > -------------------------------------------------------
> >
> > By default, Windows Server 2003 DNS server are protected from cache
> > pollution.
> >
> > Most common cause is a timeout because the ISP DNS server
> is too slow.
> >
> > Thomas W Shinder, M.D.
> > Site: www.isaserver.org
> > Blog: http://blogs.isaserver.org/shinder/
> > Book: http://tinyurl.com/3xqb7
> > MVP -- Microsoft Firewalls (ISA)
> >
> >
> >
> > > -----Original Message-----
> > > From: isalist-bounce@xxxxxxxxxxxxx
> > > [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Michael Ross
> > > Sent: Wednesday, October 18, 2006 11:01 AM
> > > To: isalist@xxxxxxxxxxxxx
> > > Subject: [isalist] Re: OT: DNS and Forwarders
> > >
> > > http://www.ISAserver.org
> > > -------------------------------------------------------
> > >
> > > Windows 2003 DNS servers?
> > > Believe it or not, ive seen that . It's a cache pollution type of
> > > behavior, with no logging or other signs to prove that.
> > > Try to clear the DNS cache next time and see if it helps.
> > >
> > > -----Original Message-----
> > > From: isalist-bounce@xxxxxxxxxxxxx
> > > [mailto:isalist-bounce@xxxxxxxxxxxxx]
> > > On Behalf Of ISA
> > > Sent: Wednesday, October 18, 2006 10:59 AM
> > > To: isalist@xxxxxxxxxxxxx
> > > Subject: [isalist] OT: DNS and Forwarders
> > >
> > > http://www.ISAserver.org
> > > -------------------------------------------------------
> > >
> > > Steve: Funny you should say that because I've done that a
> few times.
> > >
> > > DNS stops - I removed the forwards - Restart DNS - DNS works.
> > > DNS stops - I change the forwards - Restart DNS - DNS works.
> > >
> > > I want to blame my server but I'm just not sure where the
> > failure is.
> > >
> > >
> > >
> > > Joseph Danielsen, MCSA-Messaging, MCP
> > >
> > > Network Blade Inc.
> > >
> > > 49 Marcy Street
> > >
> > > Somerset, NJ 08873
> > >
> > > 732-213-0600
> > >
> > > www.networkblade.com
> > >
> > >
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: isalist-bounce@xxxxxxxxxxxxx
> > > [mailto:isalist-bounce@xxxxxxxxxxxxx]
> > > On Behalf Of Steve Moffat
> > > Posted At: Wednesday, October 18, 2006 11:55 AM Posted To: ISA
> > > Conversation: [isalist] OT: DNS and Forwarders
> > > Subject: [isalist] Re: OT: DNS and Forwarders
> > >
> > > http://www.ISAserver.org
> > > -------------------------------------------------------
> > >
> > > Remove the forwarders.....then see how fast your Internet speed
> > > gets...:)
> > >
> > > S
> > >
> > > -----Original Message-----
> > > From: isalist-bounce@xxxxxxxxxxxxx
> > > [mailto:isalist-bounce@xxxxxxxxxxxxx]
> > > On Behalf Of ISA
> > > Sent: Wednesday, October 18, 2006 12:49 PM
> > > To: ISA Mailing List
> > > Subject: [isalist] OT: DNS and Forwarders
> > >
> > > http://www.ISAserver.org
> > > -------------------------------------------------------
> > >
> > > Hello All -
> > >
> > > This might be off-topic, but has anyone every had their
> > Windows DNS/DC
> > > server intermittently stop forwarding DNS requests?
> > >
> > > I checked with the ISP and they don't recognize and
> > problems on their
> > > end.
> > >
> > > JD
> > > ------------------------------------------------------
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