- Plesk Onyx for Linux
- Plesk Onyx for Windows
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 Plesk via domain name
https://example.com:8443, a browser shows the warning that connection is not secured:
The certificate is expired (it can be seen in a browser). For example, in Google Chrome press F12 button, go to Security tab and click View certificate:
The certificate was not automatically renewed for the domain.
Manually renew the certificate in Plesk > Domains > example.com > Let's encrypt by clicking Renew button.
Secure Plesk using the same certificate according to the article: How to secure Plesk login page with SSL certificate