Plesk for Windows Plesk for Linux kb: technical ext: le
- Plesk for Linux
- Plesk for Windows
- Plesk administrator panel via HTTPS is not secured:
- Plesk Default certificate is used:
The SSL certificate assigned to Plesk is expired and/or self-signed.
Secure Plesk with SSL certificate provided by Let's Encrypt or any Certificate Authority according to the article: How to secure Plesk login page with SSL certificate .