[isalist] Re: OT: DNS and Forwarders
- From: "Michael Ross" <mross@xxxxxxxxxxx>
- To: <isalist@xxxxxxxxxxxxx>
- Date: Wed, 18 Oct 2006 11:51:40 -0500
http://www.ISAserver.org
-------------------------------------------------------
Sorry bout that.
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of D PIETRUSZKA USWRN INTERLINK INFRA ASST MGR
Sent: Wednesday, October 18, 2006 11:45 AM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: OT: DNS and Forwarders
http://www.ISAserver.org
-------------------------------------------------------
It is dnscmd <servername> /clearcache
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx]
On Behalf Of ISA
Sent: Wednesday, October 18, 2006 12:34 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Re: OT: DNS and Forwarders
http://www.ISAserver.org
-------------------------------------------------------
If the question is directed to me - I'm using W2003 DNS/DC.
Mike: dnscmd /clearcache doesn't get recognized when executed.
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 12:16 PM Posted To: ISA
Conversation: [isalist] Re: OT: DNS and Forwarders
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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