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Invalid Certificate from FireFox

  • 5 antwoorden
  • 19 hebben dit probleem
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  • Laatste antwoord van cor-el

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When using Firefox I get the following invalid security certificate message: static-ssl-cdn.addons.mozilla.net;443 uses an invalid security certificate. The certificate is not trusted because no issue chain was provided. Error code: sec_error_unknow_issuer

Is this a firefox issue? or the certificate you generate?

I do get the pop up panel indicating a "dangerous website" and accept the certificate exception. But then I get the above message. Lizette

When using Firefox I get the following invalid security certificate message: static-ssl-cdn.addons.mozilla.net;443 uses an invalid security certificate. The certificate is not trusted because no issue chain was provided. Error code: sec_error_unknow_issuer Is this a firefox issue? or the certificate you generate? I do get the pop up panel indicating a "dangerous website" and accept the certificate exception. But then I get the above message. Lizette

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Hi,

Please check if DigiCert Inc. which comes with a standard Firefox installation is listed in Tools (Alt + T) > Options > Advanced > Encryption > View Certificates > Authorities.

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Useful links:

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Going beyond Tools > Options - about:config

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Page Info Tools (Alt + T) > Page Info, Right-click > View Page Info

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Yes, the DigiCert Inc is in the list.

Lizette

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I've attached a screenshot. Is it the same in the Add Exception... > View > Details, Certificate Hierarchy (chain)? If When an OSCP server connection,... is enabled in Tools (Alt + T) > Options > Advanced > Encryption > Validation, this error may be temporary. The error may also happen if you are connecting through a proxy or a security software that connects on behalf of the browser. If possible you should also try to update Firefox. I think version 5.0 is no longer officially maintained.

Bewerkt door Vivek op

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Please also see this.

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Who is the issuer of that certificate?

I see a different certificate chain for that specific domain (Akamai Subordinate CA 3 -> GTE CyberTrust Global Root), so they may be using more servers for load balancing and you may get a different server.

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.

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