Firefox add exception for expired certificate

1. How do I bypass expired certificates in Firefox?
2. How do I manually add a certificate exception in Firefox?
3. Does Firefox allow expired certs?
4. Why can't i add Security exception in Firefox?

How do I bypass expired certificates in Firefox?

Remove the check mark from the box on the "Certificate Validation" window and click "OK." This will force Firefox to accept all certificates without validating them.

How do I manually add a certificate exception in Firefox?

Firefox. Click "Advanced" at the bottom of the page, click "Add Exception...", then click an “Confirm Security Exception” button at the bottom of the page and the web page will be added to an exception list.

Does Firefox allow expired certs?

Sites With Expired Certificates Are Completely Inaccessible Using Firefox. Firefox 101.0. 1 (64-bit) will not allow secure access to sites with expired security certificates, period.

Why can't i add Security exception in Firefox?

You aren't able to add exceptions using the Firefox preferences page. You can only remove or modify the autoplay level from there. To add a website to the exception list, you need to do that from the Site Information drop-down panel. See the Site settings section of Allow or block media autoplay in Firefox.