[Fiddler] The connection to '' failed

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Fiddler Classic
Ceyhun
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Ceyhun asked on 27 Nov 2022, 08:49 AM | edited on 27 Nov 2022, 10:29 AM

Hello. I use Fiddler classic. I have a problem please support. When i enable fiddler i can't access this site i get below error. How can I recover from this error? I am attaching the error screenshot.

[Fiddler] The connection to 'zone.game' failed.
System.Security.SecurityException Failed to negotiate HTTPS connection with server.fiddler.network.https> HTTPS handshake to zone.game (for #75) failed. System.Security.Authentication.AuthenticationException Ошибка вызова SSPI, см. внутреннее исключение. < Получено непредвиденное сообщение или оно имеет неправильный формат Win32 (SChannel) Native Error Code: 0x80090326

 

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Lini
Telerik team
answered on 30 Nov 2022, 01:58 PM

Hello,

The error you received indicates a problem with the SSPI handshake - most likely a mismatch between the TLS versions that Fiddler advertises and what the server supports. In your case the server seems to only support TLS 1.2 so you need to make sure this protocol is included in the HTTPS options:

Also, I noticed that the FiddlerScript code you have overrides the SSL protocols list twice, so only the second one will take effect. You can also try removing all custom FiddlerScript code and keeping only change in HTTPS protocols in Fiddler's options.

Regards,
Lini
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Fiddler Classic
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Ceyhun
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Lini
Telerik team
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