RE: ISA 2004 Cache

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 13 Jul 2005 06:42:38 -0700

Please don't chop off the thread - it's a huge PITA to have to re-scan
the list to find the source of the conversation.

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.

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

-----Original Message-----
From: ahendriks@xxxxxx [mailto:ahendriks@xxxxxx] 
Sent: Sunday, July 10, 2005 9:51 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: ISA 2004 Cache

http://www.ISAserver.org

> 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.

Arjan

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