[isalist] Re: OT: DNS and Forwarders

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 18 Oct 2006 11:12:32 -0500

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
> > ------------------------------------------------------
> > List Archives: //www.freelists.org/archives/isalist/
> > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
> > ISA Server Articles and Tutorials:
> > http://www.isaserver.org/articles_tutorials/
> > ISA Server Blogs: http://blogs.isaserver.org/
> > ------------------------------------------------------
> > Visit TechGenix.com for more information about our other sites:
> > http://www.techgenix.com
> > ------------------------------------------------------
> > To unsubscribe visit http://www.isaserver.org/pages/isalist.asp
> > Report abuse to listadmin@xxxxxxxxxxxxx
> >
> > ------------------------------------------------------
> > List Archives: //www.freelists.org/archives/isalist/
> > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
> > ISA Server Articles and Tutorials:
> > http://www.isaserver.org/articles_tutorials/
> > ISA Server Blogs: http://blogs.isaserver.org/
> > ------------------------------------------------------
> > Visit TechGenix.com for more information about our other sites:
> > http://www.techgenix.com
> > ------------------------------------------------------
> > To unsubscribe visit http://www.isaserver.org/pages/isalist.asp
> > Report abuse to listadmin@xxxxxxxxxxxxx
> >
> > ------------------------------------------------------
> > List Archives: //www.freelists.org/archives/isalist/
> > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
> > ISA Server Articles and Tutorials:
> > http://www.isaserver.org/articles_tutorials/
> > ISA Server Blogs: http://blogs.isaserver.org/
> > ------------------------------------------------------
> > Visit TechGenix.com for more information about our other sites:
> > http://www.techgenix.com
> > ------------------------------------------------------
> > To unsubscribe visit http://www.isaserver.org/pages/isalist.asp
> > Report abuse to listadmin@xxxxxxxxxxxxx
> >
> > ------------------------------------------------------
> > List Archives: //www.freelists.org/archives/isalist/
> > ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
> > ISA Server Articles and Tutorials:
> > http://www.isaserver.org/articles_tutorials/
> > ISA Server Blogs: http://blogs.isaserver.org/
> > ------------------------------------------------------
> > Visit TechGenix.com for more information about our other sites:
> > http://www.techgenix.com
> > ------------------------------------------------------
> > To unsubscribe visit http://www.isaserver.org/pages/isalist.asp
> > Report abuse to listadmin@xxxxxxxxxxxxx
> >
> >
> >
> ------------------------------------------------------
> List Archives: //www.freelists.org/archives/isalist/
> ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
> ISA Server Articles and Tutorials: 
> http://www.isaserver.org/articles_tutorials/
> ISA Server Blogs: http://blogs.isaserver.org/
> ------------------------------------------------------
> Visit TechGenix.com for more information about our other sites:
> http://www.techgenix.com
> ------------------------------------------------------
> To unsubscribe visit http://www.isaserver.org/pages/isalist.asp
> Report abuse to listadmin@xxxxxxxxxxxxx
> 
> ------------------------------------------------------
> List Archives: //www.freelists.org/archives/isalist/  
> ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp 
> ISA Server Articles and Tutorials: 
> http://www.isaserver.org/articles_tutorials/ 
> ISA Server Blogs: http://blogs.isaserver.org/ 
> ------------------------------------------------------
> Visit TechGenix.com for more information about our other sites:
> http://www.techgenix.com 
> ------------------------------------------------------
> To unsubscribe visit http://www.isaserver.org/pages/isalist.asp 
> Report abuse to listadmin@xxxxxxxxxxxxx 
> 
> 
> 
------------------------------------------------------
List Archives: //www.freelists.org/archives/isalist/
ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
ISA Server Articles and Tutorials: http://www.isaserver.org/articles_tutorials/
ISA Server Blogs: http://blogs.isaserver.org/
------------------------------------------------------
Visit TechGenix.com for more information about our other sites:
http://www.techgenix.com
------------------------------------------------------
To unsubscribe visit http://www.isaserver.org/pages/isalist.asp
Report abuse to listadmin@xxxxxxxxxxxxx

Other related posts: