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Firefox v58 unusable as identifies nearly all website as insecure

  • 5 replies
  • 14 have this problem
  • 45 views
  • Last reply by cor-el

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Nearly all websites identified as "insecure" and cannot be accessed in latest "stable" version e.g. Google: Your connection is not secure

The owner of www.google.co.uk has configured their web site improperly. To protect your information from being stolen, Firefox has not connected to this web site.

This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate.

Learn more…

Report errors like this to help Mozilla identify and block malicious sites

www.google.co.uk 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

All Replies (5)

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hi, please give us more information about the error by clicking on the error code, copying the text to the clipboard and then pasting it here into a reply in the forum like shown on the screenshot.

thank you!

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I'll try. I tried to do this when I reported the issue but as it identifies Mozilla as "insecure" I got blocked when I tried to get the additional information when I used the feedback link to report the problem. I had to use another browser to report the fault

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Tried again but same problem - Catch 22. Now using v57.0.4 which works fine. Also latest beta v58.0b16 has same issue

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could you copy the information as shown in firefox and paste it here into a forum reply with a different browser that works then?

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