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.