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put the last nail in tor-doc.html
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<h1><a href="http://tor.eff.org/">Tor</a> documentation</h1>
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<p>Tor provides a distributed network of servers ("onion routers"). Users
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bounce their communications (web requests, IM, IRC, SSH, etc.) around
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the routers. This makes it hard for recipients, observers, and even the
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onion routers themselves to track the source of the stream.</p>
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<p>
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This document is obsolete. See the new <a
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href="http://tor.eff.org/documentation.html">Tor documentation</a> page.
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</p>
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<a name="why"></a>
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<h2>Why should I use Tor?</h2>
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<p>Individuals need Tor for privacy:
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<ul>
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<li>Privacy in web browsing -- both from the remote website (so it can't
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track and sell your behavior), and similarly from your local ISP.
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<li>Safety in web browsing: if your local government doesn't approve
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of its citizens visiting certain websites, they may monitor the sites
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and put readers on a list of suspicious persons.
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<li>Circumvention of local censorship: connect to resources (news
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sites, instant messaging, etc.) that are restricted from your
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ISP/school/company/government.
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<li>Socially sensitive communication: chat rooms and web forums for
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rape and abuse survivors, or people with illnesses.
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</ul>
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<p>Journalists and NGOs need Tor for safety:
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<ul>
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<li>Allowing dissidents and whistleblowers to communicate more safely.
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<li>Censorship-resistant publication, such as making available your
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home-made movie anonymously via a Tor <a
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href="http://tor.eff.org/doc/tor-hidden-service.html">hidden
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service</a>; and reading, e.g. of news sites not permitted in some
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countries.
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<li>Allowing your workers to check back with your home website while
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they're in a foreign country, without notifying everybody nearby that
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they're working with your organization.
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</ul>
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<p>Companies need Tor for business security:
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<ul>
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<li>Competitive analysis: browse the competition's website safely.
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<li>Protecting collaborations of sensitive business units or partners.
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<li>Protecting procurement suppliers or patterns.
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<li>Putting the "P" back in "VPN": traditional VPNs reveal the exact
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amount and frequency of communication. Which locations have employees
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working late? Which locations have employees consulting job-hunting
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websites? Which research groups are communicating with your company's
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patent lawyers?
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</ul>
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<p>Governments need Tor for traffic-analysis-resistant communication:
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<ul>
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<li>Open source intelligence gathering (hiding individual analysts is
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not enough -- the organization itself may be sensitive).
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<li>Defense in depth on open <em>and classified</em> networks -- networks
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with a million users (even if they're all cleared) can't be made safe just
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by hardening them to external threat.
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<li>Dynamic and semi-trusted international coalitions: the network can
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be shared without revealing the existence or amount of communication
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between all parties.
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<li>Networks partially under known hostile control: to block
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communications, the enemy must take down the whole network.
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<li>Politically sensitive negotiations.
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<li>Road warriors.
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<li>Protecting procurement patterns.
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<li>Anonymous tips.
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</ul>
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<p>Law enforcement needs Tor for safety:
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<ul>
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<li>Allowing anonymous tips or crime reporting
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<li>Allowing agents to observe websites without notifying them that
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they're being observed (or, more broadly, without having it be an
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official visit from law enforcement).
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<li>Surveillance and honeypots (sting operations)
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</ul>
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<p>Does the idea of sharing the Tor network with
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all of these groups bother you? It shouldn't -- <a
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href="http://freehaven.net/doc/fc03/econymics.pdf">you need them for
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your security</a>.</p>
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<p>See the first section of the <a
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href="http://tor.eff.org/overview.html">Tor Overview</a> to read about
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the variety of users Tor has.
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</p>
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<a name="installing"></a>
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<a name="client"></a>
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