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[Tails is part of the [Tor Project: FAQ](https://www.torproject.org/docs/faq.html.en).
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Tails is part of the [Tor Project](https://torproject.org/).
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See also our explanation about [[why does Tails uses Tor|doc/anonymous_internet/tor/why#relationship]].
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See also our explanation about [[why Tails uses Tor|doc/anonymous_internet/tor/why#relationship]].
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- The rapid development cycle of Ubuntu would be too fast for Tails.
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The rapid development cycle of Ubuntu would be too fast for Tails.
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Ubuntu adds features in ways that we find dangerous for privacy. For an example Ubuntu One ([partly discontinued](http://blog.canonical.com/2014/04/02/shutting-down-ubuntu-one-file-services/)) and the [, see [EFF: Privacy in Ubuntu 12.10, Amazon aAds and dData lLeaks](https://www.eff.org/deeplinks/2012/10/privacy-ubuntu-1210-amazon-ads-and-data-leaks).
English type: Bullet: '- '
Ubuntu adds features in ways that we find dangerous for privacy. For an example, see [EFF: Privacy in Ubuntu 12.10, Amazon Ads and Data Leaks](https://www.eff.org/deeplinks/2012/10/privacy-ubuntu-1210-amazon-ads-and-data-leaks).
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Is Java installed in the Tor browser?
---------------------------------------<h2 id="dedicated-stick">Do I need a USB stick dedicated to Tails?</h2>
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<h2 id="dedicated-stick">Do I need a USB stick dedicated to Tails?</h2>
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<h2 id="permanent-installunetbootin">Can I install Tails permanently onto my hard diskwith UNetbootin, YUMI, Ventoy, or another tool?</h2>
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<h2 id="unetbootin">Can I install Tails with UNetbootin, YUMI, Ventoy, or another tool?</h2>
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Can I install other add-ons in the browser?<h2 id="upgrade">Should I update Tails using <code>apt upgrade</code> or <i>Synaptic</i>?</h2>
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<h2 id="upgrade">Should I update Tails using <code>apt upgrade</code> or <i>Synaptic</i>?</h2>
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Can I verify the integrity of a Tails device?<h2 id="preinstalled">Can I buy a preinstalled Tails USB stick or DVD?</h2>
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<h2 id="preinstalled">Can I buy a preinstalled Tails USB stick or DVD?</h2>
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<h2 id="integrity">Can I verify the integrity of a Tails device?USB stick or DVD?</h2>
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<h2 id="integrity">Can I verify the integrity of a Tails USB stick or DVD?</h2>
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It is not impossible to verify the integrity of a Tails device when running Tails from this same device. ThisUSB stick or DVD while running Tails from it. It would be like asking to someone whether she is a liar; the answer ofthey are lying: a true liar would always be "no"pretend to tell the truth.
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It is impossible to verify the integrity of a Tails USB stick or DVD while running Tails from it. It would be like asking someone whether they are lying: a true liar would always pretend to tell the truth.
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<h2 id="javascript">Why is JavaScript enabled by default in <span class="application"i>Tor Browser</spani>?</h2>
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<h2 id="javascript">Why is JavaScript enabled by default in <i>Tor Browser</i>?</h2>
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Many websites today require JavaScript to work correctly. As a consequence JavaScript is enabled by default in Tails to avoid confusing many users. But the [[Torbutton|doc/anonymous_internet/Tor_browser#torbutton]] extension, included in Tails,*Tor Browser* takes care of [[blocking dangerous JavaScript functionalities|doc/anonymous_internet/Tor_Browser#javascript]].
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Many websites today require JavaScript to work correctly. As a consequence JavaScript is enabled by default in Tails to avoid confusing many users. But *Tor Browser* takes care of [[blocking dangerous JavaScript functionalities|doc/anonymous_internet/Tor_Browser#javascript]].
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Tailsor Browser also includes a [[security level|doc/anonymous_internet/Tor_browser#security-level]] and the [[NoScript|doc/anonymous_internet/Tor_browser#noscript]] extension to optionally disable more JavaScript. This might improve security in some cases. However, if you disable JavaScript, then the [[fingerprint|doc/about/nonymous_internet/Tor_Browser#fingerprint]] of your b*Tor Browser will* differs from most Tor users. This might breakreduces your anonymity.
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Tor Browser also includes a [[security level|doc/anonymous_internet/Tor_browser#security-level]] and the [[NoScript|doc/anonymous_internet/Tor_browser#noscript]] extension to optionally disable more JavaScript. This might improve security in some cases. However, if you disable JavaScript, then the [[fingerprint|doc/anonymous_internet/Tor_Browser#fingerprint]] of your *Tor Browser* differs from most users. This reduces your anonymity.
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<h2 id="add-ons">Can I install other add-ons in the browser?<i>Tor Browser</i>?</h2>
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<h2 id="add-ons">Can I install other add-ons in <i>Tor Browser</i>?</h2>
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Installing add-ons in the b*Tor Browser* might break the security built into Tails.
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Installing add-ons in *Tor Browser* might break the security built into Tails.
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2. They can have bugs and security holvulnerabilities that can be remotely exploited by an
attacker.
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2. They can have bugs and security vulnerabilities that can be remotely exploited by an
attacker.
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3. They can have bugs that breaking the security offered by other add-ons
and break your anonymity.
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3. They can have bugs that break the security offered by other add-ons
and break your anonymity.
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4. They can break your anonymity by making your browsing behaviour
distinguishable amongstfrom other Tails users.
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4. They can break your anonymity by making your browsing behaviour
distinguishable from other Tails users.
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Unless proven otherwise, no add-on, apart from the ones already included in Tails, haves been seriously audited and should be considered safe to use in this context.
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Unless proven otherwise, no add-on, apart from the ones already included in Tails, has been seriously audited and should be considered safe to use in this context.
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<div class="next">
<ul>
<li>[[Warnings about persistence|doc/first_steps/persistence/warnings#index3h1]]</li>
<li>[[Browsing the web with Iceweasel<i>Tor Browser</i>|doc/anonymous_internet/Tor_browser]]</li>
<li>[[Can I hide the fact that I am using Tails?|doc/about/fingerprint/]]</li>
</ul>
</div>
English type: Plain text
<div class="next">
<ul>
<li>[[Browsing the web with <i>Tor Browser</i>|doc/anonymous_internet/Tor_browser]]</li>
</ul>
</div>
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