Error
Error Code:
1043
MariaDB Error 1043: Bad Handshake Connection Failure
Description
Error 1043, 'Bad handshake,' indicates a fundamental failure in the initial communication process when a client attempts to connect to a MariaDB server. This error typically occurs before full authentication, signifying that the server could not properly establish the connection due to various configuration, security, or network issues.
Error Message
Bad handshake
Known Causes
4 known causesIncorrect Authentication Credentials
The client is attempting to connect with an invalid username or password, or the user lacks the necessary host permissions, preventing the server from initiating a secure session.
Client/Server Protocol Mismatch
The client application uses an older or incompatible communication protocol or SSL/TLS settings that the MariaDB server does not support or expects, leading to a handshake failure.
Network or Firewall Blockage
A network firewall, router, or security group is preventing the client from reaching the MariaDB server's port, or vice versa, interrupting the initial connection handshake.
MariaDB Server Not Running or Accessible
The MariaDB server process is either not active, not listening on the expected port, or is configured to only accept connections from specific network interfaces or hosts.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service