"We have received a notification from the German Federal Office for Information Security (BSI) for (the IP address of) a server you have with us. Access to a M

"We have received a notification from the German Federal Office for Information Security (BSI) for (the IP address of) a server you have with us. Access to a MongoDB server should be restricted to trusted systems (for example, the related web application server)." My mongodb had with auth - but port was open.