网络信息监听技术的研究

Research of Network Information Monitor Technology

1引言 作为信息时代的重要标志之一,国际互联网上的万千信息.企业在上网获取信息和沟通便利的同时,也面临着内部技术机密或者商业机密通过网络泄露给外界特别是竞争对手的严重问题.

As a sign of information age, Internet offers millions of information and makes the people's work easy. However, when the enterprise gets the information and communicates smoothly, it is at the risk that the interior technologic secret and the commerce secret is betrayed to the rival through the network. So it is necessary to aduit the information of the network. Network information aduit is the first step of network information aduit. This thesis provides a method of the network information monitor, and gives an effective network packet filters technology named BPF aiming at dealing with the large number of data on the network.