RE: ISA 2004 Cache

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Thu, 14 Jul 2005 06:25:23 -0700

You can't have both "resolving sites well" and "port blocked" in the
same environment.

-----Original Message-----
From: AHendriks@xxxxxx [mailto:AHendriks@xxxxxx] 
Sent: Thursday, July 14, 2005 12:57 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA 2004 Cache

http://www.ISAserver.org

> Sounds like you might be getting some DNS cache poisoning.
> This can completely mess up the ISA cache because ISA gets 
> directed to the wrong place.

That was my first thought to, but i have checked dns settings serveral
times, and the dns is resolving the sites well.

> Try using a different upstream DNS provider and see if that helps.

I have only one dns upstream available, which is a internal dns server,
i'm unable to change the dns to a server on the internet, cause the port
has been blocked.

Arjan 

> 
> > You'll have to be a bit more specific about:
> 
> OK, i will place some configuration stuff here.
> 
> > 1. your ISA caching configuration
> 
> The default cache rule, the only thing i have changed is 
> disabling the ftp caching, an second rule which disables 
> caching for windowsupdate.microsoft.com.
> 
> I have configured a cache size of 10 Gb, and have left 
> everything in default.
> 
> > 2. what sites
> 
> When going to www.google.com the user ends up at www.omroep.nl
> 
> > 3. what requests.
> 
> HTTP request.
> 
> > Generally, ISA caches site content according to the rule 
> outlined in 
> > the ISA help, but it's also possible to configure it so 
> that it caches
> 
> > everything in sight (bad thing).
> 
> I haven't changed anything in the caching rule, as mentioned 
> above, on the server there is a eTrust antivirus client 
> active, i have excluded the caching dir for scanning, and the 
> processes used by isa are excluded to.


************************************************************************
De informatie in deze e-mail is uitsluitend bestemd voor de
geadresseerde. Als u deze e-mail onterecht heeft ontvangen, wilt u dan
zo vriendelijk zijn de afzender te waarschuwen door deze e-mail terug te
sturen en de gegevens van uw computer te verwijderen. De RDW kan niet
volledig instaan voor de juiste en volledige overbrenging van deze
e-mail.

The information in this e-mail is exclusively intended for the
addressee. If you have received this e-mail in error, then you are
requested to inform the sender by returning this e-mail to him/her and
delete the message. The RDW has not secured the contents of this e-mail
and can therefore not guarantee the accurate and complete transmission
of this e-mail.
************************************************************************



------------------------------------------------------
List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist
ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp
ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ
------------------------------------------------------
Other Internet Software Marketing Sites:
World of Windows Networking: http://www.windowsnetworking.com
Leading Network Software Directory: http://www.serverfiles.com
No.1 Exchange Server Resource Site: http://www.msexchange.org
Windows Security Resource Site: http://www.windowsecurity.com/
Network Security Library: http://www.secinf.net/
Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com
------------------------------------------------------
You are currently subscribed to this ISAserver.org Discussion List as:
jim@xxxxxxxxxxxx
To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=isalist
Report abuse to listadmin@xxxxxxxxxxxxx

All mail to and from this domain is GFI-scanned.



Other related posts: