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

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

Ошибка:

CDbConnection failed to open the DB connection: SQLSTATE[HY000] [1129] Host 'server.net' is blocked because of many connection errors;
 unblock with 'mysqladmin flush-hosts'

Решение:

# mysqladmin -u da_admin -p flush-hosts
Enter password:

и увеличить в my.cnf:

max_connect_errors=100