Its software package – the Tor browser bundle – can be downloaded and used to take advantage of that technology, with a separate version available for Android smartphones. The Tor project is a non-profit organisation that conducts research and development into online privacy and anonymity. It is designed to stop people – including government agencies and corporations – learning your location or tracking your browsing habits.īased on that research, it offers a technology that bounces internet users' and websites' traffic through "relays" run by thousands of volunteers around the world, making it extremely hard for anyone to identify the source of the information or the location of the user. The most commonly used bridges are obfs4.In a year Tor has grown from 500,000 daily users worldwide to more than 4 million users, provoking an increasingly public debate along the way. Snowflake sends your traffic through WebRTC, a peer-to-peer protocol with built-in NAT punching. meek_lite makes it look like you are using a Microsoft web site. Meek transports make it look like you are browsing a major web site instead of using Tor. Obfs4 bridges makes Tor traffic look random, and also prevents censors from finding bridges by Internet scanning. Obfs3 and scrablesuit bridges are deprecated.
Vanilla bridges do not use pluggable transport at all, but like other bridges, they use servers that are not listed publicly. They use different methods of circumventing censorship. Several types of pluggable transports can be used with bridges: obfs4, obfs3, scramblesuit, meek_lite, and snowflake. Pluggable transport is designed to transform ordinary Tor traffic to a special one, which is impossible or very difficult to block. But you can bypass blockage by using bridges with pluggable transport. Also, in some countries, ordinary Tor entry servers are blocked, and/or Tor network is blocked by DPI. Using bridges in combination with pluggable transports helps to disguise the fact that you are using Tor, but may slow down the connection compared to using ordinary Tor servers. Like ordinary Tor servers, bridges are run by volunteers unlike ordinary servers, however, they are not listed publicly, so an adversary cannot identify them easily. Tor Bridge is the first server in the common chain of Tor servers, which is required to protect your privacy. Ordinary Tor connection Tor with Bridge connection
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