Why I Can't Capture This Desktop Application?

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Fiddler Classic
Sin
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Sin asked on 11 Oct 2022, 04:13 AM | edited on 11 Oct 2022, 04:19 AM

https://vimeo.com/758966052

Pleas take a look at video above here.

I compare between fiddler classic and echo mirage and i want to know why fiddler can't capture it? and how to fix this. (fiddler classic can capture http(s) normally)

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Nick Iliev
Telerik team
answered on 11 Oct 2022, 06:09 AM

Hi Sin LnwZa,

 

Fiddler Classic is an HTTP/HTTPS proxy, and your application needs to respect the system proxy and be able to trust the Fiddler's certificate. There might be a different reason why the application traffic is not showing up in Fiddler - it could be using a different protocol, disregarding the system proxy settings (or failing to detect its change), etc.

Not sure what the other tool is doing, but it looks like it is capturing data from a lower level (from the OSI model) where Fiddler operates between layers 5 and 7.

 

Regards,
Nick Iliev
Progress Telerik

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Nick Iliev
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