MySQL impossible suspicious connections
Posted by: sadsaddas sdadsa
Date: January 27, 2022 04:51PM

I have a MySQL Community service binded locally to "bind-address=", bind that suppose no expose it to the internet.

I can't connect externally. However i'm receiving constantly on the log this kind of errors:

[Server] IP address '194.**.16.73' could not be resolved: This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server.

[Server] Host name 'hos*<probabily a malicious site>*' could not be resolved: No such host is known.

With a lot of addreses supicious (including TOR exit points).

I see this thread Suspicious Connections to My Database x.x.x.x Could Not Be Resolved

But didn't respond the main question:

How is possible that kind of requests without internet access?

What does fire this? Ok i understand, server want to nslookup it, but, what are trying from that hosts? It's dangerous?

If someone can bring ligth to my life I will be very grateful.


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MySQL impossible suspicious connections
January 27, 2022 04:51PM

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