Is my mssql 2017 being targeted? Am I being attacked?

Posted October 8, 2019 391 views

My mssql 2017 shows in errorlog ‘Password did not match that for the login provided. [CLIENT:]’ The ip could be from China or others from Brazil, Iran… This is running continuously. My apps work fine. Am I being attacked?

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

Submit an Answer
2 answers


Most likely a bot is trying to brute-force your SQL password.

I would strongly recommend closing the SQL port via your droplet’s firewall so that no one could reach your SQL server externally. If you ever need to access the SQL instance remotely, you could whitelist only your own IP.


Sooo…I changed the sa login and implemented a stronger password. Now they have to guess the user name.