Why Does My Laravel App Fail to Connect to a Remote MySQL Server with a 'SQLSTATE[HY000]' Error?

Connecting to Remote MySQL Server Fails with SQLSTATE[HY000] Error

In an attempt to connect to a remote MySQL server from a local machine, a Laravel user encounters an exception:

PDOException in Connector.php line 55: SQLSTATE[HY000] [2002] A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.

Troubleshooting

The given環境文件 indicates that the following configuration is used for database connection:

• DB_HOST: srv3.linuxisrael.co.il
• DB_PORT: 3306 (default)
• DB_DATABASE: name_of_my_database
• DB_USERNAME: moti_winkler
• DB_PASSWORD: 1234567890

It's worth noting that MySQL network connections typically occur on port 3306. However, it's essential to ensure that the remote MySQL server has been configured to accept connections from the local computer's IP address.

Potential Issue

Often, the MySQL socket is not configured to allow connections from outside the private network interface. This prevents direct connections from the public internet to port 3306.

Solution

To rectify the issue, it's recommended to check the following:

• Verify that the firewall on the remote MySQL server allows incoming connections on port 3306 for the local machine's IP address.
• Ensure that the MySQL user with the provided credentials has the necessary privileges to connect remotely.

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