These services look at your IP address and guesstimate your country and language, but when using Tor, you will often appear to be in a physical location halfway around the world. As a result, don’t be surprised if Google or another service greets you in a foreign tongue. Similarly, your Internet Service Provider (ISP) won’t be able to view information about the contents of your traffic, including which website you’re visiting. While connected to the Tor network, activity will never be traceable back to your IP address. Once inside a Tor network, the traffic is sent from router to router along the circuit, ultimately reaching an exit node at which point the clear-text packet is available and is forwarded on to its original destination. Tor periodically creates virtual circuits through the Tor network through which it can multiplex and onion-route that traffic to its destination. In fact, Tor directs Internet traffic through a free, worldwide, volunteer overlay network consisting of more than seven thousand relays to conceal a user’s location and usage from anyone conducting network surveillance or traffic analysis. Tor Browser connects at random to one of the publicly listed entry nodes, bounces that traffic through a randomly selected middle relay, and finally spits out your traffic through the third and final exit node. In other words, Tor consists of a three-layer proxy, like layers of an onion (hence Tor’s onion logo). Tor enables user’s greater anonymity online by encrypting internet traffic and passing it through a series of nodes. The Tor Browser is a web browser that anonymizes your web traffic using the Tor network, making it easy to protect your identity online. Today, most of the funding for this project is provided by the US Department of Defense, but there are other supporters’ as well digital rights lobbyist the Electronic Frontier Foundation, journalism and community body Knight Foundation and the Swedish International Development Cooperation Agency. Tor was originally developed by the US Navy in the mid-1990s. The name derived from the acronym for the original software project name “The Onion Router”.
Tor is free and open-source software for enabling anonymous communication. We recently had a post about the dark web that mentioned the Tor project.
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