We keep getting this error, each day, sometimes for up to 8 hours
Login failed for user 'sa'. [CLIENT: 60.12.36.69]
Login failed for user 'sa'. [CLIENT: 222.186.13.48]
Login failed for user 'sa'. [CLIENT: 222.187.105.220]
On this server, we do not have any active databases nor do we have any reporting services deployed to it. Why are we getting this error? I have been told it is because someone from the outside is trying to dial in. If my firewall is closed as well as the ISS FTP, how can this happen? The login has been disabled and the permission to connect to the db engine is grant.
Thanks