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How do I fix the error message "SSL_ERROR_BAD_CERT_ALERT." Prior we had the ability to add exceptions not the advanced button is not available.

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I am connection to a network device. I was previously able to add an exception via a button on the page with the error. Since the last update I have lost the ability to add this exception. My only choice is to not use Firefox.

I am connection to a network device. I was previously able to add an exception via a button on the page with the error. Since the last update I have lost the ability to add this exception. My only choice is to not use Firefox.

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Hello,

The issue could be with your antivirus software SSL protocol filtering, therefore you should follow the instructions provided in this article .

If the issue persists, please feel free to update us with your situation so that we can further assist you.

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Hi csamuel61, could you copy/paste the error page text into a reply? Usually you can create an exception unless the site previously instructed Firefox that it requires HSTS (strict transport security).