pysql connection to cloud server database times out

[Pedroski55]

Connecting to the cloud server via ssh, I ran:

sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf

I changed the line bind-address to 0.0.0.0 (I also tried *)

pedro@ebs-105422:~$ nc -v -w 2 123.456.789.123 3306
Connection to 123.456.789.123 3306 port [tcp/mysql] succeeded!
pedro@ebs-105422:~$

But I still get :

pymysql.err.OperationalError: (1130, "183.206.16.30' is not allowed to connect to this MySQL server")