Internet censorship circumvention technologies

Submitted by aua on
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Tor (network)
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Internet censorship circumvention technologies
Background Internet censorship • Internet censorship in China • National intranet • Censorship and blocking technologies • IP address blocking • DNS cache poisoning • Wordfilter • Great Firewall of China • Blocks on specific websites • Facebook • Twitter • Wikipedia
Principles With a proxy server P2P • Web proxies • SSH • VPN • PAC
Without a proxy server HTTPS • IPv6 transition mechanism • hosts • DNSCrypt • Domain fronting • Refraction networking
Anti-censorship software Free software Lantern • Psiphon • Shadowsocks • Outline VPN • GoAgent • PirateBox
Proprietary software Freegate • Ultrasurf • Hotspot Shield • Garden Networks • Telex • CGIProxy • Proxify
Browser extensions uProxy
Anonymity Anonymous software Tor • JAP (JonDonym) • Flash proxy • Mixmaster
Anonymous P2P network I2P • ZeroNet • Freenet • StealthNet
Physical circumvention methods Sneakernet • USB dead drop
Relevant organizations GreatFire • FreeWeibo • Turkey Blocks
Reference Great Cannon
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