Error
Error Code:
1129
MySQL Error 1129: Host Blocked Due to Connection Errors
Description
This error signifies that the MySQL server has temporarily blocked a specific client host. This occurs when the server detects numerous consecutive, unsuccessful connection attempts from that host within a short timeframe, often pointing to incorrect credentials, network instability, or potential malicious activity.
Error Message
Host '%s' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'
Known Causes
4 known causesIncorrect Authentication Details
Persistent failed login attempts from a client using invalid usernames or passwords for the MySQL server.
Unstable Network Connection
Network interruptions, firewall issues, or routing problems preventing the client from establishing a stable connection to the MySQL server.
Application Connection Flood
An application rapidly initiating and failing connections due to misconfiguration, resource exhaustion, or a bug in its connection logic.
Suspected Brute-Force Attack
The server detecting an unusually high volume of failed connection attempts, potentially indicative of a security threat.
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