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A windows server (2022) has MariaDB 10.4 running on it. In the Event Viewer for Windows logs > Application there are two events that happen every minute:

Aborted connection ### to db: 'unconnected' user: 'unauthenticated' host: 'localhost' (This connection closed normally without authentication) Aborted connection ### to db: 'unconnected' user: 'unauthenticated' host: 'localhost' (Got an error reading communication packets)

Note that '###' is a number that increases sequentially. Somehow this is related to the MariaDB service because the events don't appear when the service is stopped.

Is there any way to suppress these events?

Thanks

td48260
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1 Answers1

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That means that some application connects on the TCP port to the server, and does not authenticate within a given timeout (which I think is 5 seconds by default). There is a way to suppress these messages. You set

log_warnings=1

in the my.ini. There is some documentation on verbosity, see https://mariadb.com/kb/en/error-log/

But on your place, I'd be curious is this that connects on server port, and does not do anything.

Vladislav Vaintroub
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