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I need to override a certificate error in version 31 - I don't see the old choice to add exception. How can I do this?

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I work in a test environment and need to override the security error in new version 31, but it does not seem to be available. How can I do this?

Secure Connection Failed

An error occurred during a connection to shopdeluxe-bnb.uat.deluxe.com. Issuer certificate is invalid. (Error code: sec_error_ca_cert_invalid)

I work in a test environment and need to override the security error in new version 31, but it does not seem to be available. How can I do this? Secure Connection Failed An error occurred during a connection to shopdeluxe-bnb.uat.deluxe.com. Issuer certificate is invalid. (Error code: sec_error_ca_cert_invalid)

Endret av JackWhit

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Options/Preferences > Advanced > Certificates > "Add Exception" is where you can add a local cert. There was also a new ca cert https://blog.mozilla.org/security/201.../exciting-updates-to-certificate-verification-in-gecko/ If there are any issues please file a bug.


[Self-signed certificates make your data safe from eavesdroppers, but say nothing about who the recipient of the data is. This is common for intranet websites that aren't available publicly. ] via https://support.mozilla.org/en-US/kb/secure-connection-failed-error-messa....

This may be helpful as well: https://support.mozilla.org/en-US/que.../1002237