On accessing myLittleAdmin through Domains > example.com > Databases > example.database > myLittleAdmin, insecure HTTP page
The information you’re about to submit is not secure
Because this form is being submitted using a connection that’s not secure, your information will be visible to others.
The domain example.com is secured with an SSL certificate in Domains > example.com > Hosting Settings.
Plesk bug with ID PPPM-8244 which is planned to be fixed in one of the future updates.
As a workaround, open MyLittleAdmin at https://mssql.example.com:8401