منابع مشابه
Measuring Freenet in the Wild: Censorship-Resilience under Observation
Freenet, a fully decentralized publication system designed for censorship-resistant communication, exhibits long delays and low success rates for finding and retrieving content. In order to improve its performance, an in-depth understanding of the deployed system is required. Therefore, we performed an extensive measurement study accompanied by a code analysis to identify bottlenecks of the exi...
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We introduce the concept of a web-based online scanning service, or OSS for short, and show that these OSSes can be covertly used as proxies in a censorship circumvention system. Such proxies are suitable both for short one-time rendezvous messages and bulk bidirectional data transport. We show that OSSes are widely available on the Internet and blocking all of them can be difficult and harmful...
متن کاملCensorship and Two Types of Self-Censorship∗†
We propose and defend a distinction between two types of self-censorship: public and private. In public self-censorship, individuals restrain their expressive attitudes in response to public censors. In private self-censorship, individuals do so in the absence of public censorship. We argue for this distinction by introducing a general model which allows us to identify, describe, and compare a ...
متن کاملIntroduction to Internet Censorship and Control
The Internet is and has always been a space where participants battle for control. The two core protocols that define the Internet – TCP and IP – are both designed to allow separate networks to connect to each other easily, so that networks that differ not only in hardware implementation (wired vs. satellite vs. radio networks) but also in their politics of control (consumer vs. research vs. mi...
متن کاملUsing Live Streaming to Evade Internet Censorship
We design, implement, and evaluate CovertCast, a censorship circumvention system that broadcasts the content of popular websites in real-time, encrypted video streams on common live-streaming services such as YouTube. CovertCast does not require any modifications to the streaming service and employs the same protocols, servers, and streaming software as any other user of the service. Therefore,...
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ژورنال
عنوان ژورنال: Annual Review of Political Science
سال: 2020
ISSN: 1094-2939,1545-1577
DOI: 10.1146/annurev-polisci-050718-032837