【摘要】 SPIT是FMC网络中一种新型垃圾信息,是FMC网络中最棘手的安全隐患。文中介绍了FMC网络中SPIT的分类,分析了SPIT的特征与危害,总结了传统过滤方法在应用于SPIT的局限性。最后,着重介绍了SPIT过滤技术的研究现状。更多还原

【Abstract】 SPIT (Spam over Internet Telephony) is a new kind of spam in FMC networks and also a knotty security problem. This paper presents the classification of SPIT, analyses the features and harms of SPIT,and summarizes the limitations of traditional filtering approaches to SPIT. Finally, it emphatically discusses the research and development of SPIT filtering techniques.更多还原