Plesk login screen shows the message: To avoid warnings while connecting to Plesk, use https://example.com:8443

Symptoms

When opening Plesk URL using an IP address (e.g. https://203.0.113.2:8443), Plesk login page shows the following message:

To avoid SSL warnings during Plesk login, use https://example.com:8443

Cause

When Plesk login page is opened using an IP address, Plesk offers a redirect to a secured domain name. The domain name is taken from an SSL certificate used to secure Plesk URL at Tools & Settings > SSL/TLS Certificates > Certificate for securing Plesk.

Resolution

Apply one of the following solutions:

 

Solution I: Change the domain name

To change the domain name mentioned in the message, secure Plesk URL with an SSL certificate for a domain name using the instructions from this KB article.

 

Solution II: Disable the message about SSL warning

1. Log in to Plesk.

2. Install the Panel.ini Editor extension for Plesk.

3. Open the extension and switch to the Editor tab.

4. Add the following lines:

   [login]
   showSSLwarnings = 0

5. Save the changes.