I ran a PCI DSS scan on the prtg probe that is opened to the internet. I got automatic fail, please see below
Security Notes found on port/service "mssql (27660/tcp)"
Automatic Failure as listed by the PCI SSC (This must be resolved for your device to be compliant) Plugin
"Microsoft SQL Server TCP/IP Listener Detection"
"Service detection "
A database server is listening on the remote port.
Description The remote host is running MSSQL, a database server from Microsoft. It is possible to extract the version number of the remote installation from the server pre-login response.
Risk factor NONE / CVSS BASE SCORE :0.0
Please advise what to do.