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i have deleted the file cert8.db but when i start firefox back up, it places the file back in the profile folder, and i still have the same problem when trying

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  • 最后回复者为 cor-el

BIGBOIRR
BIGBOIRR
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i have deleted the file cert8.db but when i start firefox back up, it replaces the file back in the profile folder, and i still have the same problem when trying to use google.com. www.google.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 have deleted the file cert8.db but when i start firefox back up, it replaces the file back in the profile folder, and i still have the same problem when trying to use google.com. www.google.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)

所有回复 (2)

guigs
guigs
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Are you connected to a network that administers self - signed certificates?

However in order to troubleshoot this issue please open up the security certificate being issued.

  1. Right click on the page and select "Page Info"
  2. Unter Security, click on "Show Certificate"
  3. Make sure that under Issuer it is one of the trusted certificate issuers: https://wiki.mozilla.org/CA:IncludedCAs
cor-el
cor-el
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You can check the date and time and time zone in the clock on your computer: (double) click the clock icon on the Windows Taskbar.

You can retrieve the certificate and check details like who issued certificates and expiration dates of certificates.

  • Click the link at the bottom of the error page: "I Understand the Risks"
  • Let Firefox retrieve the certificate: "Add Exception" -> "Get Certificate"
  • Click the "View" button and inspect the certificate and check who is the issuer of the certificate.

You can see more details like the intermediate certificates that are used in the Details tab.

Who is the issuer of the certificate?

If you can't inspect the certificate via "I Understand the Risks" then try this:

Open this chrome URI by pasting or typing this URI in the location/address bar to open the "Add Security Exception" window and check the certificate:

  • chrome://pippki/content/exceptionDialog.xul

In the location field type/paste the URL of the website

  • retrieve the certificate via the "Get certificate" button
  • click the "View..." button to inspect the certificate in the Certificate Viewer

You can inspect details like the issuer and the certificate chain in the Details tab of the Certificate Viewer. Check who is the issuer of the certificate.