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Single Network Adapter Setup

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Single Network Adapter Setup - 30.Nov.2006 5:52:08 PM   


Posts: 1
Joined: 22.May2003
Status: offline
I currently have ISA setup with A single Nic and I used the Single network Adapter Template. I Then setup WPAD using DNS and set all IE browswers to use autodetect under LAN settings. I basically want to use the ISA server for web monitoring with Websense. I have no plans to use it for publishing or firewall use.

My problem is that when I run reports I am seeing that Netbios, Cifs and other protocols are going through the ISA server not just HTTP. How can I stop this or what am I missing. It looks like internal clients are using the isa to connect to resource that are local. I have set the internal network with my internal IP's and also setup bypass for my domain.

If anbody has some insight please help. Network Performance is degraded also.
Post #: 1
RE: Single Network Adapter Setup - 6.Dec.2006 10:40:39 PM   


Posts: 94
Joined: 25.Jan.2006
Status: offline
This is a novice answer, but here goes. There is a lot of protocols being thrown around a network but you can control what gets thru the ISA Server. Goto your rule which you created which allows access to the internet (by default there is one rule which explicitly denies all traffic) and click the properties of this rule. In the Protocols tab, select ONLY HTTP protocol. That's it, now only HTTP will be allowed out.

Be aware that your DNS server will required DNS protocol to go out as it would be using the ISP's DNS server to resolve domain names. There would also be other protocols, but you should be able to tell from your reports which are required.

As for not using ISA to access internal machines, make sure all IP ranges of all internal machines are setup in the "Internal" Network object. Then goto MISA\Arrays\Server\Configuration\Networks and right click the Internal network object and select Properties. Goto the Web Browser tab and the rest is self-explanatory.

Hope this helps.

< Message edited by jdmils -- 6.Dec.2006 11:12:04 PM >


+-- JDMils
+-- Windows 2003 Server DC
+-- Windows 2003 Server hosting ISA 2006 Stnd SP2

(in reply to bas1gun)
Post #: 2

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