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Using TURN Servers for Censorship Evasion

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Resumo:As global online censorship intensifies, developing new evasion systems is essential for improving access to uncensored content in highly censored regions. In addition to creating effective censorship evasion systems, the Bridge Distribution Problem also requires the development of systems that allow users to access the necessary information to connect to censorship evasion proxies, such as IP addresses, without censors blocking the communication channels. This extended abstract introduces a novel system that addresses both challenges by using TURN servers as relays to transmit user traffic to censorship evasion proxies or by allowing users to acquire the necessary information to connect to a censorship evasion proxy from brokers where proxy information is available. It also includes a hypothesis on how using TURN servers might help address these challenges.
Autores principais:Vilalonga, Afonso
Outros Autores:Gallagher, Kevin; Yaǧan, Osman; Resende, João S.; Domingos, Henrique
Assunto:Censorship evasion Rendezvous channels TURN servers
Ano:2025
País:Portugal
Tipo de documento:documento de conferência
Tipo de acesso:acesso aberto
Instituição associada:Universidade Nova de Lisboa
Idioma:inglês
Origem:Repositório Institucional da UNL
Descrição
Resumo:As global online censorship intensifies, developing new evasion systems is essential for improving access to uncensored content in highly censored regions. In addition to creating effective censorship evasion systems, the Bridge Distribution Problem also requires the development of systems that allow users to access the necessary information to connect to censorship evasion proxies, such as IP addresses, without censors blocking the communication channels. This extended abstract introduces a novel system that addresses both challenges by using TURN servers as relays to transmit user traffic to censorship evasion proxies or by allowing users to acquire the necessary information to connect to a censorship evasion proxy from brokers where proxy information is available. It also includes a hypothesis on how using TURN servers might help address these challenges.