How to Block Login Attempts to SQL Server

[SepehrGostar]

Hi,

I'm using SQL Server 2017 on CentOS 7 x64. many users trying to get access to the SA account of SQL Server with many Password Attempts, unfortunately, I won't block with CSF.

how it's possible to block those users? Please take a look at the attached picture.

https://ibb.co/1mH1qsD

Best Regards

[tanfwc]

Maybe you can consider to open up the ports to restricted IP address instead? If it is a public server, do consider changing the port