The rules can specify which file to log the message to, what machine to send the logging message to, what user to send the message to (in the form of console messages), etc.
规则可以指定记录消息的文件，将记录消息发送给哪台计算机，将消息发送给什么用户(以控制台消息的形式)等。
It is also easier to trace, log, and debug issues, even when the total number of rules is very high.
跟踪、记录和调试问题也更加容易，即使是在规则总数非常大的情况下。
You'll again want to re-construct the query example with strong input validation rules and ensure the hacker cannot log in with his malicious userid.
您又将需要利用有力的输入确认规则来重构查询示例，并确保黑客不能使用恶意userid登录。
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