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Fiddler Not Capturing Any Traffic - Proxy Settings Required?

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Gordon
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Gordon asked on 07 Mar 2016, 08:45 AM

Hi All,

I have recently downloaded Fiddler version 4.6.2.2 to try and capture traffic to identify why some federated services do not seem to be working on our network.

I found that when trying to capture traffic, nothing showed up.  Some initial investigation led me to this other post on the forum:

http://www.telerik.com/forums/fiddler-not-capturing-traffic

I can confirm that I am also potentially being blocked on the client due to proxy settings which are controlled by GPO.  Our proxy service, is a cloud based solution called Websense, which I have administrator access to.

What I would like to know is what kind of exception or settings will I need to put in the proxy to allow Fiddler to collect traffic?

Cheers,

Gordon

 

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Jan
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answered on 14 Apr 2016, 12:19 AM

Same here,

Using Firefox, I have set up FF to not disable the Fiddlerhook extension, the icon is there, Fiddler is started when i click the icon, but still it doesn't work anymore. Not even when i manual set the proxy to Auto Detect.

 

Manually configuring it to 127.0.0.1 port 8888, just like the FiddlerHook extension does, same effect, Fiddler doesn't capture anything anymore.

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Tsviatko Yovtchev
Telerik team
answered on 19 Apr 2016, 12:28 PM
Hi,

Rather unfortunately, the FiddlerHook extension is effectively becoming obsolete in the new versions of Firefox. You can find more on this here - http://www.telerik.com/forums/fiddlerhook-extension-cannot-be-verified-in-firefox-40.

Which version of Fiddler are you using? Did it stop working after update? Have you clicking on Help->Troubleshoot ?

Regards,
Tsviatko Yovtchev
Telerik
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Jan
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Tsviatko Yovtchev
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