The network discovery module is developed directly by Core Security and as already said it USES the NMap OS fingerprinting database.

愉模块开发网络安全和直接的核心内容已经说过利用MA的操作系统指纹数据库。

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In addition, an OS fingerprinting type base of ICMP protocol is brought forward to provide a guarantee for procedure's upgrading and maintenance in the future.

另外，提出了操作系统针对ICMP协议的系统类型指纹库，从而为今后程序的升级和开发维护提供了保证。

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