Untrusted Connection

2 posts, 0 answers
  1. Takahiro
    Takahiro avatar
    1 posts
    Member since:
    Oct 2015

    Posted 26 Dec 2015 Link to this post

     When I started decrypting Https connection, it simply doesn't work.

    Always I see below message with Untrusted Connection message. I don't remember when this started happening, but it used to be working after I upgraded to windows 10.

    I use latest Firefox and Windows 10. I hit the same issue even when I use IE 11, Microsoft Edge.

    lc2txe3.sharepoint.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. (Error code: sec_error_unknown_issuer)

     

    I export the certificate and import into the Firefox, so that I can see cert name DO_NOT_TRUST_Fiddler in Certificate Manager of Firefox. Also, trusted root authority contains DO_NOT_TRUST_Fiddler certificate.

    Fiddler Options : Protocols : ssl3;tls1.0;tls1.1;tls1.2 / Certificates are generated by Fiddler.DefaultCertificateProvider

    Fiddler 4.6.1.4

    Firefox 43.0.2

    What else am I missing ?

     

  2. Eric Lawrence
    Admin
    Eric Lawrence avatar
    833 posts

    Posted 28 Dec 2015 Link to this post

    Hello, Takahiro--

    Please follow the procedure described here: http://textslashplain.com/2015/10/30/reset-fiddlers-https-certificates/ to reset Fiddler's certificates.

    Regards,
    Eric Lawrence
    Telerik
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