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sec_error_unknown_issuer

  • 2 replies
  • 127 have this problem
  • 1 view
  • Last reply by Caioshin

Caioshin
Caioshin
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I continue to receive this error, even in pages where the certificate should be correct (https://anobii.com/login, https://telepass.it/AutostradeETIWeb/base/ETIScegliPercorsoUser) and where nor chrome or explorer show the error. I already deleted the file cert8.db but the problem persist.

How can I solve it?

I continue to receive this error, even in pages where the certificate should be correct (https://anobii.com/login, https://telepass.it/AutostradeETIWeb/base/ETIScegliPercorsoUser) and where nor chrome or explorer show the error. I already deleted the file cert8.db but the problem persist. How can I solve it?

All Replies (2)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Does this site work with a www. prefix?

The www.anobii.com server seems to be missing the intermediate certificate (RapidSSL CA) that is required to build a certificate chain that ends with a built-in root certificate.

You can download and install the first certificate from this site:

You can Copy and Paste the certificate text of the intermediate certificate to a .cer text file and import the certificate in the Certificate Manager or via Firefox > New Tab > Open File.
DO NOT set any trust bits, those are only required for root certificates and should never be set for intermediate certificates.

Caioshin
Caioshin Question owner
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Ok thank you, the first site works correcty with www, and after have installed to certificate also anobii works without errors.

thank you