I was trying to connect to the company’s cloud with firefox, ubuntu right now.
I got this.

Secure Connection Failed

An error occurred during a connection to The OCSP response contains out-of-date information. Error code: SEC_ERROR_OCSP_OLD_RESPONSE

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
Please contact the website owners to inform them of this problem.

Learn more…

Report errors like this to help Mozilla identify and block malicious sites

Whats up?

It’s fixed now, but i thought it was worthwhile to report

Could this be because your local computer time was set incorrectly? Eventually your OS would retrieve the correct time from public time sync servers which would fix the issue on its own.