The anonymity network represented by The onion router(Tor)is one of the most widely used encrypted communication networks,criminals utilize encrypted networks to conceal their illegal activities,posing significant challenges to network regulation and cybersecurity.The emergence of website fingerprinting attack has made the analysis of encrypted traffic possible,enabling supervisors to identify Tor traffic and infer the web pages being visited by users by utilizing features such as packet direction and so on.In this paper,a wide survey and analysis of website fingerprinting attack and defense methods on Tor are conducted.Firstly,relevant techniques of website fingerprinting attacks on Tor are summarized and compared.The emphasis is placed on website fingerprinting attacks based on traditional machine learning and deep learning technologies.Secondly,a comprehensive survey and analysis of various existing defense methods are conducted.The limitations in the field of website fingerprinting attack methods on Tor are analyzed and summarized,and the future development directions and prospects are looked forward to.
关键词
Tor匿名网络/网站指纹攻击/流量分析/隐私保护/网络监管
Key words
The onion router(Tor)anonymity network/Website fingerprinting attacks/Traffic analysis/Privacy protection/Network regulation
维普
万方数据