Commit 7b5341e0 authored by sajolida's avatar sajolida
Browse files

Use magic refs in TOC

See 02db6116
parent ab90e847
......@@ -6,22 +6,13 @@
[[!toc levels=2]]
<a id="project"></a>
<h1 id="project">Tails project</h1>
Tails project
=============
<a id="relationship_with_tor"></a>
What is the relationship between Tor and Tails?
-----------------------------------------------
<h2 id="relationship_with_tor">What is the relationship between Tor and Tails?</h2>
See our explanation about [[why does Tails use Tor|doc/about/tor#relationship]].
<a id="debian"></a>
Why is Tails based on Debian and not on another distribution?
-------------------------------------------------------------
<h2 id="debian">Why is Tails based on Debian and not on another distribution?</h2>
We are deeply rooted and involved in Debian. The friendships, relationships, and
technical expertise we have in Debian have many benefits for Tails, and we are
......@@ -33,10 +24,7 @@ See also the article [Why there are so many Debian
derivatives](http://upsilon.cc/~zack/blog/posts/2011/09/why_there_are_so_many_debian_derivatives/)
by Stefano Zacchiroli.
<a id="ubuntu"></a>
Why isn't Tails based on Ubuntu?
--------------------------------
<h2 id="ubuntu">Why isn't Tails based on Ubuntu?</h2>
First, see the answer to the [[previous question|faq#debian]].
......@@ -61,10 +49,7 @@ First, see the answer to the [[previous question|faq#debian]].
packages included in Tails; another security feature that Ubuntu already
provides.
<a id="gnome"></a>
Why does Tails ship the GNOME Desktop?
--------------------------------------
<h2 id="gnome">Why does Tails ship the GNOME Desktop?</h2>
We had users ask for LXDE, XFCE, MATE, KDE, and so on, but we are not going to
change desktop. According to us, the main drawback of GNOME is that it
......@@ -85,15 +70,9 @@ process again.
We are not proposing several desktop environments to choose from because
we want to [[limit the amount of software included in Tails|faq#new_software]].
<a id="hardware"></a>
Hardware compatibility
======================
<h1 id="hardware">Hardware compatibility</h1>
<a id="arm"></a>
Does Tails work on ARM architecture, Raspberry Pi, tablets, or phones?
----------------------------------------------------------------------
<h2 id="arm">Does Tails work on ARM architecture, Raspberry Pi, tablets, or phones?</h2>
For the moment, Tails is only available on the x86_64 architecture.
The Raspberry Pi and most tablets and phones are based on the ARM architecture. Tails does
......@@ -105,15 +84,9 @@ interface is supported.
To get more information about the progress of Tails on handheld devices, see [[!tails_ticket 6064]].
<a id="installation"></a>
Installation
============
<a id="install_permanently"></a>
<h1 id="installation">Installation</h1>
Can I install Tails permanently onto my hard disk?
--------------------------------------------------
<h2 id="install_permanently">Can I install Tails permanently onto my hard disk?</h2>
This is not possible using the recommended installation methods. Tails is
designed to be a live system running from a removable media: USB stick or DVD.
......@@ -122,20 +95,14 @@ This is a conscious decision as this mode of operation is better for what we
want to provide to Tails users: amnesia, the fact that Tails leaves no traces on
the computer after a session is closed.
<a id="unetbootin_etc"></a>
Can I install Tails with UNetbootin, YUMI, Rufus or my other favorite tool?
---------------------------------------------------------------------------
<h2 id="unetbootin_etc">Can I install Tails with UNetbootin, YUMI, Rufus or my other favorite tool?</h2>
No. Those installation methods are unsupported. They might not work at
all, or worse: they might seem to work, but produce a USB stick
that does *not* behave like Tails should. Follow the
[[download and installation documentation|install]] instead.
<a id="upgrade"></a>
Should I update Tails using `apt upgrade` or <span class="application">Synaptic</span>?
---------------------------------------------------------------------------------------
<h2 id="upgrade">Should I update Tails using <span class="code">apt upgrade</span> or <span class="application">Synaptic</span>?</h2>
No. Tails provides upgrades every six weeks, that are thoroughly tested
to make sure that no security feature or configuration gets broken.
......@@ -143,10 +110,7 @@ If you upgrade the system yourself using `apt` or <span class="application">Syna
you might break things. Upgrading when you get a notification from
<span class="application">[[Tails Upgrader|doc/upgrade]]</span> is enough.
<a id="preinstalled"></a>
Can I buy a preinstalled Tails USB stick or DVD?
------------------------------------------------
<h2 id="preinstalled">Can I buy a preinstalled Tails USB stick or DVD?</h2>
No, we don't sell preinstalled Tails devices.
......@@ -162,10 +126,7 @@ Selling preinstalled devices would in fact be a pretty bad idea:
cryptographic verification techniques anymore. Being able to trust
your Tails USB stick is something that we really care about.
<a id="checksum"></a>
Where can I find the checksum to verify my Tails download?
----------------------------------------------------------
<h2 id="checksum">Where can I find the checksum to verify my Tails download?</h2>
We do not provide a checksum (SHA hash or similar) to verify your Tails download.
......@@ -183,15 +144,9 @@ information being securely downloaded from our website, you need to use
[[OpenPGP and authenticate our signing key through the OpenPGP Web of
Trust|install/download#openpgp]].
<a id="browser"></a>
Web browser
===========
<a id="javascript"></a>
<h1 id="browser">Web browser</h1>
Why is JavaScript enabled by default in <span class="application">Tor Browser</span>?
-------------------------------------------------------------------------------------
<h2 id="javascript">Why is JavaScript enabled by default in <span class="application">Tor Browser</span>?</h2>
Many websites today require JavaScript to work correctly. As a consequence
JavaScript is enabled by default in Tails to avoid confusing many users. But
......@@ -207,10 +162,7 @@ differ from most Tor users. This might break your anonymity.
We think that having JavaScript enabled by default is the best possible
compromise between usability and security in this case.
<a id="add-ons"></a>
Can I install other add-ons in <span class="application">Tor Browser</span>?
----------------------------------------------------------------------------
<h2 id="add-ons">Can I install other add-ons in <span class="application">Tor Browser</span>?</h2>
Installing add-ons in <span class="application">Tor Browser</span> might break the security built in Tails.
......@@ -247,20 +199,14 @@ XXX: Push that information to the browser documentation?
XXX: Check https://2019.www.torproject.org/docs/torbutton/torbutton-faq.html.en#recommendedextensions
-->
<a id="add-ons_update"></a>
Should I manually update add-ons included in <span class="application">Tor Browser</span>?
------------------------------------------------------------------------------------------
<h2 id="add-ons_update">Should I manually update add-ons included in <span class="application">Tor Browser</span>?</h2>
No. Tails provides upgrades every six weeks, that are thoroughly tested
to make sure that no security feature or configuration gets broken.
Updating add-ons in <span class="application">Tor Browser</span> might
break the security built in Tails.
<a id="flash"></a>
Can I view websites using Adobe Flash with Tails?
-------------------------------------------------
<h2 id="flash">Can I view websites using Adobe Flash with Tails?</h2>
Adobe Flash Player is not included in Tails for several reasons:
......@@ -277,10 +223,7 @@ them since they are not mature enough and Flash is less and less used anyway.
But you can already watch HTML5 videos with <span class="application">Tor Browser</span>.
<a id="anonymity_test"></a>
How to analyse the results of online anonymity tests?
-----------------------------------------------------
<h2 id="anonymity_test">How to analyse the results of online anonymity tests?</h2>
Fingerprinting websites, such as <https://panopticlick.eff.org/>,
try to retrieve as much information as possible from
......@@ -303,22 +246,13 @@ consequence, weakens your anonymity.
Furthermore, we verify the result of those websites before each release, see our
[[test suite|contribute/release_process/test]].
<a id="java"></a>
Is Java installed in the <span class="application">Tor Browser</span>?
----------------------------------------------------------------------
<h2 id="java">Is Java installed in the <span class="application">Tor Browser</span>?</h2>
Tails does not include a Java plugin in its browser because it could break your anonymity.
<a id="persistence"></a>
Persistent Storage
==================
<h1 id="persistence">Persistent Storage</h1>
<a id="persistent_features"></a>
Can I save my custom settings?
------------------------------
<h2 id="persistent_features">Can I save my custom settings?</h2>
<em>&hellip; like language, keyboard layout, background image, toolbar position,
browser settings, touchpad preferences, etc.</em>
......@@ -334,10 +268,7 @@ groups/tails/-/issues?scope=all&utf8=✓&state=opened&label_name%5B%5D=C%3APersi
desc="open issues"]]
about the Persistent Storage. Any bit of help [[is welcome|contribute/how/code]].
<a id="luks"></a>
How strong is the encryption of the Persistent Storage and LUKS?
---------------------------------------------------------------
<h2 id="luks">How strong is the encryption of the Persistent Storage and LUKS?</h2>
Tails uses LUKS to encrypt the Persistent Storage. This is the same technique as
the one we recommend for [[creating and using encrypted
......@@ -353,10 +284,7 @@ by `udisks` and `cryptsetup`.
To understand better how the Persistent Storage works, see our [[design
document|contribute/design/persistence]].
<a id="recover_passphrase"></a>
Is it possible to recover the passphrase of the Persistent Storage?
-------------------------------------------------------------------
<h2 id="recover_passphrase">Is it possible to recover the passphrase of the Persistent Storage?</h2>
No. The encryption of the Persistent Storage is very strong and it is
impossible to recover the passphrase of the Persistent Storage. If the passphrase
......@@ -364,15 +292,9 @@ is weak enough, an attacker can try many
possible passphrases and end up guessing your passphrase.
Such an attack is called [[!wikipedia Brute_force_attack desc="*brute-force attack*"]].
<a id="networking"></a>
Networking
==========
<a id="vpn"></a>
<h1 id="networking">Networking</h1>
Can I use Tails with a VPN?
---------------------------
<h2 id="vpn">Can I use Tails with a VPN?</h2>
Tails does not work with VPNs.
......@@ -421,10 +343,7 @@ In some situations, it can be useful to connect to a VPN through Tor:
It is currently impossible to connect to a VPN in Tails using Tor.
We might make this possible in the future. ([[!tails_ticket 5858]])
<a id="torrc"></a>
Can I choose the country of my exit nodes or further edit the `torrc`?
----------------------------------------------------------------------
<h2 id="torrc">Can I choose the country of my exit nodes or further edit the <span class="code">torrc</span>?</h2>
It is possible to edit the Tor configuration file (`torrc`) with
administration rights but you should not do so as it might break your
......@@ -436,17 +355,11 @@ using `ExcludeExitNodes` is not recommended because "overriding the
exit nodes can mess up your anonymity in ways we don't
understand".
<a id="dns"></a>
How does the DNS resolution work in Tails?
------------------------------------------
<h2 id="dns">How does the DNS resolution work in Tails?</h2>
See our [[design document|contribute/design/Tor_enforcement/DNS]] on this topic.
<a id="htp"></a>
Why does Tails automatically connect to several websites when starting?
-----------------------------------------------------------------------
<h2 id="htp">Why does Tails automatically connect to several websites when starting?</h2>
Tor requires the system clock to be well synchronized in order to work
properly. When starting Tails, a notification is displayed while the clock is
......@@ -458,18 +371,11 @@ that could be queried in this process can be found in `/etc/default/htpdate`.
See also our [[design document|contribute/design/Time_syncing]] on this topic.
<a id="relay"></a>
Can I help the Tor network by running a relay or a bridge in Tails?
-------------------------------------------------------------------
<h2 id="relay">Can I help the Tor network by running a relay or a bridge in Tails?</h2>
It is currently impossible to run a Tor relay or bridge in Tails.
<a id="onion_service"></a>
<a id="hidden_service"></a>
Can I run a Tor onion service on Tails?
----------------------------------------
<h2 id="onion_service">Can I run a Tor onion service on Tails?</h2>
It is technically possible to use Tails to provide an onion service
but it is complicated and not documented yet.
......@@ -477,24 +383,15 @@ but it is complicated and not documented yet.
For example, some people have been working on
[[!tails_ticket 5688 desc="self-hosted services behind Tails-powered onion services"]].
<a id="ping"></a>
Can I use <span class="command">ping</span> in Tails?
-----------------------------------------------------
<h2 id="ping">Can I use <span class="command">ping</span> in Tails?</h2>
It is impossible to use <span class="command">ping</span> in Tails,
because <span class="command">ping</span> uses the ICMP protocol while Tor
can only transport TCP connections.
<a id="software"></a>
Software not included in Tails
==============================
<a id="new_software"></a>
<h1 id="software">Software not included in Tails</h1>
Can my favourite software be included in Tails?
-----------------------------------------------
<h2 id="new_software">Can my favourite software be included in Tails?</h2>
First of all, make sure that this software is already available in Debian, as
this is a requirement to be included in Tails. Adding to Tails software which is
......@@ -544,10 +441,7 @@ Here is some of the software we are often asked to include in Tails:
- **rar/unrar**: is not [[free software|doc/about/license]], but you can use the
[[additional software|doc/first_steps/additional_software]] feature to install it
<a id="bittorrent"></a>
Can I download using BitTorrent with Tails?
-------------------------------------------
<h2 id="bittorrent">Can I download using BitTorrent with Tails?</h2>
Tails does not ship any BitTorrent software and is unlikely to do so in the
future.
......@@ -562,10 +456,7 @@ The problem with using BitTorrent over Tor is double:
We had relatively vague [[!tails_ticket 9563 desc="plans to improve
on this situation"]].
<a id="youtube"></a>
Can I download videos from websites?
------------------------------------
<h2 id="youtube">Can I download videos from websites?</h2>
You can install <span class="code">youtube-dl</span> as an [[additional
package|doc/first_steps/additional_software]]. <span class="application">youtube-dl</span>
......@@ -580,15 +471,9 @@ in a terminal:
For more information, refer to the [official
<span class="application">youtube-dl</span> documentation](https://rg3.github.io/youtube-dl/).
<a id="desktop"></a>
Desktop environment
===================
<h1 id="desktop">Desktop environment</h1>
<a id="timezone"></a>
Why is the time set wrong?
--------------------------
<h2 id="timezone">Why is the time set wrong?</h2>
When Tails starts, the system timezone is set to UTC (Greenwich time). So, this time
might be a few hours in the future if you are west of the United
......@@ -608,15 +493,9 @@ We are working on a custom clock applet with configurable timezone. See
</div>
<a id="misc"></a>
Other security issues
=====================
<a id="compromised_system"></a>
<h1 id="misc">Other security issues</h1>
Is it safe to use Tails on a compromised system?
------------------------------------------------
<h2 id="compromised_system">Is it safe to use Tails on a compromised system?</h2>
Tails runs independently from the operating system installed on the computer.
So, if the computer has only been compromised by software, running from inside
......@@ -633,10 +512,7 @@ also be unsafe to use Tails.
See our [[warning page|doc/about/warning]] for more details.
<a id="integrity"></a>
Can I verify the integrity of a Tails USB stick or DVD?
-------------------------------------------------------
<h2 id="integrity">Can I verify the integrity of a Tails USB stick or DVD?</h2>
It is not possible to verify the integrity of a Tails device, USB stick or DVD, when running Tails
from this same device. This would be like asking to someone whether she is a
......@@ -652,10 +528,7 @@ liar; the answer of a true liar would always be "no".
you can [[clone it onto the untrusted USB stick|doc/upgrade]] to
reset it to a trusted state.
<a id="reuse_memory_wipe"></a>
Can I use the memory wipe feature of Tails on another operating system?
-----------------------------------------------------------------------
<h2 id="reuse_memory_wipe">Can I use the memory wipe feature of Tails on another operating system?</h2>
The memory wipe mechanism that Tails uses on shutdown to [[protect against cold
boot attacks|doc/advanced_topics/cold_boot_attacks]] should be reusable in
......@@ -664,10 +537,7 @@ other Linux distributions.
If you want to implement this feature outside of Tails, have a look at the
corresponding [[design documentation|contribute/design/memory_erasure]].
<a id="new_identity"></a>
Where is the <span class="guilabel">New Identity</span> button?
---------------------------------------------------------------
<h2 id="new_identity">Where is the <span class="guilabel">New Identity</span> button?</h2>
There is no <span class="guilabel">New Identity</span> button for Tails as a
whole.
......@@ -686,10 +556,7 @@ restart Tails before using a different identity.
</div>
<a id="boot_statistics"></a>
Does Tails collect information about its users?
-----------------------------------------------
<h2 id="boot_statistics">Does Tails collect information about its users?</h2>
When Tails starts, two HTTPS requests are made automatically to our website
through Tor:
......@@ -707,10 +574,7 @@ versions. We calculate statistics based on the security check to know how many t
Tails has been started and connected to Tor. Those statistics are published in
our [[monthly reports|news]].
<a id="antivirus"></a>
Does Tails need an antivirus?
-----------------------------
<h2 id="antivirus">Does Tails need an antivirus?</h2>
No, as other Linux systems, Tails doesn't require an antivirus to protect itself
from most malwares, such as viruses, trojans, and worms. There are various reasons
......
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