In this case, you can see that the Network file System (NFS) protocol is in the first file but not the second, while both the mysql and VNC ports have been open during the latter scan.

在这个示例中，您可以看到，在第一个文件中出现了网络文件系统(NFS)协议，在第二个文件中则没有出现，而在后面一次扫描期间，mysql和vnc端口都处于打开状态。

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Such a copy is not without its traps -- copying a live file system can be risky, especially if there are open files.

这种复制操作本身存在一定的陷井，即对活动的文件系统进行复制可能是有风险的，特别是在打开了多个文件的情况下。

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Any policy file definition mistakes made or short cuts taken leaves open vulnerabilities that can not be easily identified.

任何策略文件错误定义或采用快捷方式都是一个不容易发现的漏洞。

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