Why do we encounter the "NET::ERR_CERT_AUTHORITY_INVALID" message when accessing certain websites?

Zyxel_Jeff Posts: 1,059  Zyxel Employee
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edited July 2023 in Networking

Background and Scenario:

When we browse certain specific websites or a device's local Web-GUI, the browser may display a “NET::ERR_CERT_AUTHORITY_INVALID” message. To access the URL or IP address, we need to click 'continue' and then we can browse it.


The root cause is related to the browser not trusting the certificate from the website or device's Web-GUI because the certificate is not issued by a trusted organization. Therefore, it is a matter of the browser's known behavior.