Synopsis:
If you are seeing the below error, it is because the correct Intermediate certificate (or CA bundle) is not installed.
NET::ERR_CERT_AUTHORITY_INVALID
How to steps:
- Locate the correct intermediate certificate to install, and copy the text including all dashes.
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- Here is a link to the most common CA bundle (RapidSSL) - https://knowledge.rapidssl.com/support/ssl-certificate-support/index?page=content&actp=CROSSLINK&id=SO26459
- Log into your website hosting (cPanel) account and browse to SSL/TLS Manager, under Security.
- Under 'Install and Manage SSL for your site (HTTPS)', click 'Manage SSL sites'.
- In the 'Domain' dropdown box, select your domain and then click 'Autofill by domain'.
- Then, simply paste the CA in the box 'Certificate Authority Bundle: (CABUNDLE)' and click 'Install certificate'.