In the log file for our RDS DB Instance the Error log file is full of the following entries
2023-10-05 06:08:26.46 Logon Error: 18456, Severity: 14, State: 5.
2023-10-05 06:08:26.46 Logon Login failed for user 'server'. Reason: Could not find a login matching the name provided. [CLIENT: 14.45.33.45]
2023-10-05 06:08:29.01 Logon Error: 18456, Severity: 14, State: 5.
2023-10-05 06:08:29.01 Logon Login failed for user 'server'. Reason: Could not find a login matching the name provided. [CLIENT: 14.45.33.45]
2023-10-05 06:08:31.64 Logon Error: 18456, Severity: 14, State: 5.
2023-10-05 06:08:31.64 Logon Login failed for user 'server'. Reason: Could not find a login matching the name provided. [CLIENT: 14.45.33.45]
2023-10-05 06:08:32.64 Logon Error: 18456, Severity: 14, State: 5.
2023-10-05 06:08:32.64 Logon Login failed for user 'SHRISHTI'. Reason: Could not find a login matching the name provided. [CLIENT: 45.135.232.28]
2023-10-05 06:08:33.07 Logon Error: 18456, Severity: 14, State: 5.
This is happening approximately every 2 seconds.
Is there anyway I can stop this?
Thank you I had an inbound rule accepting all connections. I have deleted this rule so I only have one inbound rule with a restricted IP address. Thank you