Plesk for Linux
kb: technical
Applicable to:
- Plesk for Linux
Symptoms
- When connecting to MySQL/MariaDB server, the operation fails.
- Remote MySQL connections are allowed in Plesk at Tools & Settings > Database Servers > localhost (next to MariaDB/MySQL).
Cause
Firewall blocks connections to MySQL server.
Resolution
Allow connections to port 3306 in firewall.
To allow connections in local firewall, instal and activate Plesk Firewall - it automatically opens all required ports.
When port 3306 is opened locally, but external connection still fails, contact sever network administrator / hosting provider to allow connections to port 3306.
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