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Explore the technical mechanisms behind state-level internet censorship and complete network shutdowns in this 29-minute conference talk from BSidesMunich. Examine the various methods governments employ to control or eliminate internet access, from DNS manipulation and deep packet inspection to complete infrastructure shutdowns. Learn about the technical infrastructure that enables large-scale censorship, including the role of internet service providers, border gateway protocol manipulation, and traffic filtering systems. Discover how authoritarian regimes implement graduated censorship strategies, starting with targeted blocking and escalating to complete internet blackouts. Analyze real-world case studies of internet shutdowns and censorship campaigns, understanding both the technical implementation and the broader implications for digital rights and freedom of information. Gain insights into the cat-and-mouse game between censorship technologies and circumvention tools, and understand the technical challenges faced by citizens trying to maintain connectivity during government-imposed internet restrictions.
