- Plesk login page is secured with SSL certificate by creating a domain for accessing Plesk as described in the following article:
How to secure Plesk login page with SSL certificate
When trying to open https://example.com:8443 page, the warning that connection is insecure appears:
- Certificate is expired (it can be seen in browser). For example, in Google Chrome press F12 button, go to Security tab and click View certificate:
Certificate was not automatically renewed for the domain.
- Manually renew the certificate in Plesk > Domains > example.com > Let's encrypt by clicking Renew button.
- Select the same SSL for securing Plesk in Tools and Settings > SSL/TLS Certificates