The capture of network data packets plays an important part in network security, which is helpful for our better analysis of network data flow.

网络数据包的捕获对于网络安全有着巨大的作用，为我们更好的分析网络中的数据流提供了帮助。

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Network data packets are captured by NDIS Intermediate driver; A rule-based filtering algorithm is presented in this paper, and a layered filtering framework is included in the algorithm.

本文介绍了NDIS驱动程序结构，给出NDIS中间驱动程序实现网络数据包的拦截方法；并实现了一个基于规则的过滤算法，在过滤算法中引入了一个分层框架。

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If the data transfer is on the same machine, it could still go through the network protocol and includes all the processing required to manipulate the packets.

如果数据是在同一机器上传送的，它可能仍然要通过网络协议，并且包括操作数据包所需的所有处理。

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Instead of firewalls and virus checkers, the company pitches a network that monitors individual data packets, shuts off rogue computers and isolates questionable users.

FORBES: Technology

Ken Silva, the security chief at VeriSign, which runs big chunks of the internet's domain-name system, advocates defences at the core of the network to tackle malicious data-packets before they reach their target.

ECONOMIST: Cyberwarfare

The Internet, by contrast, is a connectionless network designed for routing packets of data.

ECONOMIST: Internet telephony