Types of pluggable transports
- obsf4: obfs4 reroutes the traffic and fashions it such that it looks random, preventing the network monitors from finding bridges by scanning through the internet connection. Obfs4 bridges are more secure than their predecessors.
- Meek: It routes Tor traffic through a series of web servers, making it appear as ordinary web traffic. It disguises Tor traffic as connections to popular, unblocked websites. It grants a form of obfuscation for Tor traffic, hence making it difficult for censors to differentiate between Tor traffic and regular web traffic.
- Snowflake: It allows proxies to run web servers that allow users in regions with network restrictions to connect to the Tor network. They act as intermediaries, hesitating users to connect to the Tor network even when access to the regular Tor network is blocked. It routes the traffic through WebRTC.
Circumvention in Tor Browser
Tor Browser is an open-source web browser developed by the Tor community. It allows users to browse the internet while remaining anonymous, and it is difficult to track user activity on the network due to a forged IP address constructed by the Tor service since the IP is fake and cannot be found anywhere on the network. Tor Browser achieves this by encrypting the IP address of the user. It is used to access parts of the internet that may be blocked or censored in certain regions by the local internet service provider or by the government. The Tor browser is infamously known for granting access to the dark web, where many illegal activities occur.
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