Why am I getting a 'Unknown Authentication Method' error when connecting to my remote MySQL server?

Troubleshooting Remote MySQL Connection Error: "Unknown Authentication Method"

When attempting remote MySQL connection from a local machine, you may encounter an error indicating "unknown authentication method [mysql_old_password]." This issue often stems from an incompatibility between local and remote MySQL server versions, specifically in password hashing.

Upon reviewing your connection code, we notice that you're using PHP 5.5.27 with mysqlnd version 5.0.10. In PHP 5.3 and above, there were backward incompatibility changes introduced. One such change requires the use of the 41-byte password format, rather than the older 16-byte format.

Refer to https://stackoverflow.com/a/1340538/187954 for guidance on updating your password to resolve this error. By ensuring compatibility between your local and remote MySQL servers, you can establish a successful remote connection.

The above is the detailed content of Why am I getting a 'Unknown Authentication Method' error when connecting to my remote MySQL server?. For more information, please follow other related articles on the PHP Chinese website!