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MySQL Connection Error: "Lost connection to MySQL server at 'reading initial communication packet', system error: 0"
This error typically occurs when attempting to connect to a MySQL database from a remote location using a non-localhost IP address.
Potential Causes:
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Firewall issue: This could prevent incoming connections from the specified IP address to the MySQL server.
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Server Binding: The MySQL server may be bound to the loop-back IP (127.0.0.1/localhost), restricting connections to the server's local machine.
Possible Solutions:
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Verify Firewall Settings: Ensure that the firewall allows incoming connections to MySQL on the specified port.
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Bind Server to External Address: If the server is bound to the loop-back IP, edit the MySQL configuration file (my.cnf) and set the "bind-address" parameter to the appropriate external IP address. Restart the server after making changes.
Additional Considerations:
- It's recommended to consult your hosting provider or system administrator to confirm firewall configurations.
- If connecting from a script, verify that the MySQL server host is set to "localhost" when deployed on the web server.
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