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I need to disable proxy for a subnet, ISA don't care about my setting

Posted on 2008-06-13
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Last Modified: 2008-11-17
Hi!

Im running ISA 2006 with a IPSec tunnel to a branch with a Linksys VPN Router. Tunnel works great but when I tries to reach a HTTP service at the branch I get a 500 error.
When I look at the logging in ISA I can se that the client now has become the public interface on ISA server, I can figure why its not working ;-)

I have tried to type in the branchoffice subnet in internal network properties but still no luck. I have also tried to create a "second" HTTP protocol without the Web filter but it doesn't work.

If I disable Web filter on the original HTTP protocol this works like charm but I guess you wouldn't like to do that...

Please help I'm panic over here!

/Henning
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Question by:hpea
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Expert Comment

by:Nyah247
ID: 21778874
This is for a DLINK...  But includes a setup description.  I would definitely recheck your configuration...especially your firewall rule set.

http://www.isaserver.org/articles/2004isadlink.html

Any access denied messages in the ISA logs?
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Accepted Solution

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hpea earned 0 total points
ID: 21783098
The solution to my problem was to add a new protocol (eg a second HTTP protocol) with Web Proxy Filter unchecked. Add a new allow rule for the new protocol and then below add a second rule for deny of the original HTTP protocol. After that everything works lika a charm!
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