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本文介绍了以UNIX原始套接字为代表的底层网络接口的使用方法,并介绍了基于该原始套接字的用户层网络监视系统的基本实现机制。
This article describes the use of the underlying network interface represented by UNIX raw sockets, and introduces the basic implementation of the user-level network monitoring system based on the original socket.