Fidler not allowing ADFS login

Hello All,

Thanks in advance

While running the fiddler in the background.  I am unable to login to a Microsoft login page. Adfs login is getting rejected. with below error>HTTPS handshake to #19) FAILED. System.IO.IOException Authentication failed because the remote party has closed the transport stream.

1 Comment

The message indicates that the client application is not using the Fiddler certificate (in this case, the Fiddler Classic certificate). It depends on the client app implementation if you can explicitly pass and trust a user certificate.