Date: 08-11-2011 11:40:42
Source: logon
Message: Login Failed for user 'sa'. Reason: Password did not match for the login provided. [CLIENT: 56.60.156.50]
Date: 08-11-2011 11:40:42
Source: logon
Message: Error: 18456. Severity: 14. State: 8.


Date: 08-11-2011 11:40:41
Source: logon
Message: Login Failed for user 'sa'. Reason: Password did not match for the login provided. [CLIENT: 56.60.156.50]
Date: 08-11-2011 11:40:41
Source: logon
Message: Error: 18456. Severity: 14. State: 8.

等等..
这是一个可能从中文攻击我的sql Server ???
我在ip-lookup.net上查了一下IP地址,里面说它是中文的.

怎么办？

>阻止防火墙中的IP地址？
>删除用户sa？

我如何最好地保护我的网络服务器？！

提前致谢！