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Firefox no longer trusts my internal certificate authority used for internal sites on our domain.

The error: SEC_ERROR_UNKNOWN_ISSUER. The certificates use sha256 for their signature algorithm. Chrome and Edge both see the certificates as valid. This is a recent chang… (read more)

The error: SEC_ERROR_UNKNOWN_ISSUER.

The certificates use sha256 for their signature algorithm.

Chrome and Edge both see the certificates as valid.

This is a recent change, I believe starting with Firefox 55.

Thanks for any help with this!

Asked by elliotstarks 2 years ago

Answered by cor-el 2 years ago

  • Archived

I've got MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT since firefox 62 update for the local site which worked perfectly previously

Just after 62 version update I'm getting this trouble (screenshot) localhost:8171 uses an invalid security certificate. The certificate is not trusted because it is self… (read more)

Just after 62 version update I'm getting this trouble (screenshot)

localhost:8171 uses an invalid security certificate. The certificate is not trusted because it is self-signed. Error code: MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT


Chrome and event Edge work fine with this host

Any reason for this?

Asked by quadroval 1 year ago

Last reply by quadroval 1 year ago

  • Archived

How do I allow self signed certificate in FF 61?

Hi I am trying to access a site with a self signed certificate and there is no option to add a security exception. Get this code: SEC_ERROR_UNKNOWN_ISSUER Have added a se… (read more)

Hi

I am trying to access a site with a self signed certificate and there is no option to add a security exception. Get this code: SEC_ERROR_UNKNOWN_ISSUER

Have added a security exception through settings but still can't access the site.

What is going on??

Asked by botulf 1 year ago

Last reply by cor-el 1 year ago