Disguiser - An Accurate, End-to-End Global Censorship Measurement Framework

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The detection of Internet censorship usually requires heavy manual inspection due to the lack of ground truth, resulting in the difficulty of identifying false positives (i.e., misclassified censorship) and false negatives (i.e., undetected censorship). The difficulty stems from the fact that without ground truth, in many cases it is unlikely to automatically distinguish the legitimate responses and the responses manipulated by censorship. Existing studies tackled such issues by retrieving and comparing distributed responses, but such an approach usually requires manual inspection, causing the analysis unscalable and inefficient.

The project aims to explore, develop, and deploy a framework that enables end-to-end measurement for accurately and automatically investigating global Internet censorship practices. The key idea is to provide a static payload as ground truth, which can be used to indicate the occurrence of censorship when the static payload has been altered by network devices. Moreover, the deployed end-to-end framework can facilitate extended measurements for investigating more aspects of Internet censorship, for example, pinpointing censor devices’ locations and exploring their policies and deployment.

news

Aug 1, 2022 New project website is online. Thanks for the awesome Jekyll theme by al-folio.
Jun 10, 2022 Our paper presented in ACM SIGMETRICS’22.
Jan 31, 2022 Our project funded by OTF under an Internet Freedom Fund

selected publications

  1. ACM CCS
    Ready Raider One: Exploring the Misuse of Cloud Gaming Services
    Guannan Liu, Daiping Liu, Shuai Hao, Xing Gao, Kun Sun, and Haining Wang
    In the 29th ACM SIGSAC Conference on Computer and Communications Security (CCS), Nov 2022
  2. SIGMETRICS
    Understanding the Practices of Global Censorship through Accurate, End-to-End Measurements
    Lin Jin, Shuai Hao, Haining Wang, and Chase Cotton
    In the Proceedings of the ACM on Measurement and Analysis of Computing Systems (ACM SIGMETRICS), Jun 2022
  3. WWW
    Understanding the Impact of Encrypted DNS on Internet Censorship
    Lin Jin, Shuai Hao, Haining Wang, and Chase Cotton
    In the 30th The Web Conference (WWW), Apr 2021