Dec 29, 2020 · It consists of 16 videos in total from first installation to some advanced configuration. All tests on this site have been created and converted with VCE Exam Simulator. 2 Palo Alto, CA 94304 www. edu - Authentication Failed. The issuing authority of the PA-generated certificate is the Palo Alto Networks device. I just thought Firefox might be doing some sort of validation against the CA, but it seems that this isn't the case. </p><p>I still have no idea how to get the details of the bad certificate. That's probably the most important thing at the moment; without this information I have no idea where to look next. </p>