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Remote connection with MySQL

Posted May 11, 2017 8.1k views
MySQLPHPUbuntu 16.04

Hi,

I have problem with remote connection to my MySQL database.

My changes in /etc/mysql/mysql.conf.d/mysqld.cnf

[mysqld]
.....
#bind-address           = 127.0.0.1

I also run this lines in mysql:
mysql> CREATE USER ‘monty’@’%’ IDENTIFIED BY 'some_pass’;
mysql> GRANT ALL PRIVILEGES ON . TO 'monty’@’%’ WITH GRANT OPTION;
mysql> FLUSH PRIVILEGES;

and finally:
sudo service mysql restart

Unfortunelly I still cant’ connect with my database. What is the problem?

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rubenlech
By:
rubenlech

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1 answer
hansen May 11, 2017

Hi @rubenlech

Can you check if MySQL is listening on all interfaces:

sudo lsof -iTCP -sTCP:LISTEN -P

And then let’s check the state of the firewall:

sudo ufw status
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  • rubenlech May 11, 2017 
    mysqld  5531    mysql   34u  IPv6  34684      0t0  TCP *:3306 (LISTEN)

    Port 3306 is enought?

    firewall status:

    To                         Action      From
--                         ------      ----
22                         LIMIT       Anywhere
443                        ALLOW       Anywhere
80                         ALLOW       Anywhere
22 (v6)                    LIMIT       Anywhere (v6)
443 (v6)                   ALLOW       Anywhere (v6)
80 (v6)                    ALLOW       Anywhere (v6)

    Is port 3306 blocked?

    Reply Report

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