An analysis of privacy leakage in DoQ traffic
An analysis of privacy leakage in DoQ traffic
复制标题
DoQ 流量中的隐私泄露分析
DOI:
10.1145/3488658.3493782
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
K.Fukuda
中科院分区:
文献类型:
--
作者:
G.Hu;K.Fukuda
Increased demand for DNS privacy has driven the creation of several encrypted DNS protocols, such as DNS over HTTPS (DoH), DNS over TLS (DoT), and DNS over QUIC (DoQ). Recently, the DoT and DoH have been deployed by some vendors like Google and Cloudflare. However, it is pointed out that DoT/DoH still have privacy leakage problems. Our goal is aiming at comparing the level of privacy leakage in encrypted DNS. This preliminary work focuses on analyzing the DoQ traffic to determine whether the adversary can infer the category of websites users visit. We find that information leakage is still possible even in the DoQ traffic. Moreover, we identify that important features are mainly related to inter-arrival times of queries, and the accuracy score slightly decreases for more categories.
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