Disable port 3306 listening to server

 

Here goes the steps for disabling inbound MySQL connections to a linux server.

♦ Login to the server as root

♦ open the file /etc/my.cnf

♦ add the directive skip-networking

♦ save and quit from the file.

Now you may need to disable the port 3306 in TCP_IN section in firewall(if firewall enabled).

Make sure that the server is not listening to the inbound MySQL connections by telnet.

Eg:

telnet  x.x.x.x  3306

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