检查我的SQL Server日志,我看到几个这样的条目:
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。这可能是我的SQL Server受到中文攻击吗?!!我在ip-lookup.net上查询了该IP地址,该地址为中文。
怎么办?
- 阻止防火墙中的IP地址?
- 删除用户sa?
以及如何最好地保护我的Web服务器?
提前致谢!