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Web Chaining question

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Web Chaining question - 28.Jun.2011 4:55:38 AM   


Posts: 65
Joined: 5.May2004
From: UK
Status: offline
hi there

we have recently purchased a webfilter device that can be used as an upstream proxy.

So the route out would be client --> TMG --> Webfilter --> Internet

I have configured the settings on the Filter Device to listen for a downstream ISA/TMG, on the TMG I have installed the required plug in and setup the Webchaining rule to forward traffic to the device. However when I try to connect in the above setup I keep getting

"Error Code: 502 Proxy Error. Forefront TMG denied the specified Uniform Resource Locator (URL). (12202"

If I check the Alerts on the TMG I get

Description: Forefront TMG cannot connect to the proxy server <name> because the server requires authentication, either for Web chaining or intra-array communication. However, authentication failed because the specified credentials were incorrect. Check the authentication credentials and try again.

Any help or advice would be appreciated

Post #: 1
RE: Web Chaining question - 5.Jul.2011 10:17:04 AM   


Posts: 3472
Joined: 3.Jan.2008
From: Amazon, Brazil
Status: offline
Hi FJ,

the error seems pretty straigh forward. Is there something you´re tending to suspect?

Paulo Oliveira.


Microsoft Premier Field Engineer (PFE)
Blog: http://poliveirasilva.wordpress.com/
Twitter: https://twitter.com/poliveirasilva

(in reply to fastjack)
Post #: 2

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