Host '192.168.88.100' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

This error message is indicating that the IP address 192.168.88.100 has been blocked from connecting to the MySQL server due to a large number of connection errors. To unblock the IP address, you need to run the command 'mysqladmin flush-hosts' on the MySQL server. This command will clear the list of blocked hosts and allow the IP address to connect again.

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windows 系统1129 - Host 192.168.16.86 is blocked because of many connection errors; unblock with mysqladmin flush-hosts

This message indicates that the IP address 192.168.16.86 has been blocked due to too many connection errors to the MySQL server. To unblock the host, you can use the mysqladmin command to flush the hosts:

1. Open a command prompt or terminal window
2. Type the following command: mysqladmin -u root -p flush-hosts
3. Enter the MySQL root user password when prompted
4. The host should now be unblocked and able to connect to the MySQL server again.

1129 - Host '192.168.0.125' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts

这个错误信息是MySQL数据库的一个常见错误，意味着由于连接错误次数过多，IP地址为192.168.0.125的主机被阻止连接到数据库。要解除阻止，可以使用'mysqladmin flush-hosts'命令。

'mysqladmin flush-hosts'命令用于清除被阻止的主机列表，允许被阻止的主机重新连接到数据库。执行该命令需要具有适当的权限。

相关问题:
1. 为什么会出现连接错误导致主机被阻止？
2. 如何避免出现连接错误？
3. 还有其他方法可以解除被阻止的主机吗？