You may need to enable non-localhost connections to a MySQL database as a part if website development and its structure. It’s easy to do it on any Linux-based servers.
1). Connect to your server via SSH as root.
2). Log into MySQL as root and enter the following command:
GRANT ALL PRIVILEGES ON database.* TO user@'IP' IDENTIFIED BY 'password';
where,
* database is replaced by the name of the database you’d like to allow access to. Using * will allow access to all databases.
* user is replaced by the username you want to allow.
* IP is replaced by the actual IP to connect from. Using % will allow access from all IPs.
* password is replaced by the desired password.
3). Apply changes you’ve made with the following command:
FLUSH PRIVILEGES;
4). You might also need to allow connections to port 3306 (standard MySQL port) from a remote IP. Run the following command in shell:
iptables -I INPUT -s IP -p tcp --dport 3306 -j ACCEPT
Don’t forget to replace IP with the actual IP you want to allow MySQL connections from.