How to fix if MySQL cannot telnet from outside the server

If you unable to telnet to the port 3306 which is for MySQL from outside the server, firstly you need to check the
firewall. You need to make sure the firewall already allow port 3306.
If the firewall already allow the port, another thing to do is to comment the line below in my.cnf file:
[mysqld] #bindaddress=
After that you need to restart the MySQL service for it’s to take effect by using the command below:
root@server [/var/lib/mysql]# service mysql restart
Shutting down MySQL. … SUCCESS!
Starting MySQL. SUCCESS!

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