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AuthenticationException The remote certificate is invalid according to the validation procedure

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Oscar
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Oscar asked on 21 Oct 2020, 03:38 PM

I'm connecting to a site using https which use an invalid certificate, and when I connect to it, I receive a browser warning saying the certificate is invalid, but after selecting the option to proceed I'm able to browse it correlty. Now I want to inspect the traffic to this site using Fiddle, but I'm receiving the following error:

 

fiddler.network.https> HTTPS handshake to 192.168.xx.xx (for #52) failed. System.Security.Authentication.AuthenticationException The remote certificate is invalid according to the validation procedure.

 

How to make Fiddler to trus this remote certificate?

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Nick Iliev
Telerik team
answered on 25 Oct 2020, 03:18 PM

Hello Oscar,

 

Depending on the server settings there are multiple reasons why you could be seeing this specific error message. See this SO thread for more details and note that not all options are resolvable (e.g. pinned certificates or server not trusting intermediate signed certificates).

 

Regards,
Nick Iliev
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