瑞星卡卡安全论坛

进天网安全阵线时总弹出如下东西,这是为什么?
Warning: mysql_connect(): Host 'pfw.sky.net.cn' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' in /mnt/web/pfw/bbs/include/db_mysql.php on line 22

Discuz! info: Can not connect to MySQL server

User: 34320
Time: 2006-8-11 10:49am
Script: /bbs/index.php

Error: Host 'pfw.sky.net.cn' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'
Errno.: 1129

Similar error report has beed dispatched to administrator before.