Internet Information Filtering System Based On ARP Agreement

The present society is highly developed in information, whose spread is mainly constructed on the basis of Internet. However, the security of information spread is in an extremely terrible situation. The Net is filled with vilence, pornographic, gamble and anti-Chinese information. Information in such junk e-mails, forum entities, pictures severely influence people’s ideaology, values and ethics in an adverse way.The fact that information of this kind spreads on different transport agreements (e-mails on smtp, forums on http) leads to difficulty of information filtering and high expense of related facilities. Given the above-mentioned problem, starting from ARP agreement and in the form of software, this thesis proposed an information abstract system on a comparatively basic agreement.In this way, the expense will be considerably cut down.This essay firstly illustrates ARP agreement and describes the ralation between TCP/IP and Ethernet. ARP Then the study illustrates the function of ARP, cache mechanism and format in the ARP request, it also analyses and uses the characteristics of ARP protocol to realize the whole process of Internet information filtering system.