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123 lines
6.1 KiB
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123 lines
6.1 KiB
ReStructuredText
Connecting to Tor
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=================
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Pick a way to connect OnionShare to Tor by clicking the Tor onion icon in the bottom right of the OnionShare window to open the Tor Settings tab.
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.. image:: _static/screenshots/tor-settings.png
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Use the Tor version built into OnionShare
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-----------------------------------------
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This is the default, simplest and most reliable way that OnionShare connects to Tor.
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For this reason, it's recommended for most users.
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When you open OnionShare, it launches an already configured ``tor`` process in the background for OnionShare to use.
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It doesn't interfere with other ``tor`` processes on your computer, so you can use the Tor Browser or the system ``tor`` on their own.
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Getting Around Censorship
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-------------------------
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If your access to the internet is censored, you can configure OnionShare to connect to the Tor network using `Tor bridges <https://tb-manual.torproject.org/bridges/>`_. If OnionShare connects to Tor without one, you don't need to use a bridge.
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To use a bridge, open the Tor Settings tab.
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You must select "Use the Tor version built into OnionShare" and check the "Use a bridge" checkbox.
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Try using a built-in bridge first. Using `obfs4` or `snowflake` bridges is recommended over using `meek-azure`.
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.. image:: _static/screenshots/tor-settings-bridges.png
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If using a built-in bridge doesn't work, you can request a bridge from torproject.org. You will have to solve a CAPTCHA in order to request a bridge. (This makes it more difficult for governments or ISPs to block access to Tor bridges.)
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.. image:: _static/screenshots/tor-settings-moat.png
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You also have the option of using a bridge that you learned about from a trusted source.
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Attempt auto-configuration with Tor Browser
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-------------------------------------------
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If you have `downloaded the Tor Browser <https://www.torproject.org>`_ and don't want two ``tor`` processes running, you can use the ``tor`` process from the Tor Browser.
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Keep in mind you need to keep Tor Browser open in the background while you're using OnionShare for this to work.
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Using a system ``tor`` in Windows
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---------------------------------
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This is fairly advanced. You'll need to know how edit plaintext files and do stuff as an administrator.
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Download the Tor Windows Expert Bundle `from <https://www.torproject.org/download/tor/>`_.
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Extract the compressed file and copy the extracted folder to ``C:\Program Files (x86)\``
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Rename the extracted folder with ``Data`` and ``Tor`` in it to ``tor-win32``.
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Make up a control port password.
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(Using 7 words in a sequence like ``comprised stumble rummage work avenging construct volatile`` is a good idea for a password.)
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Now open a command prompt (``cmd``) as an administrator, and use ``tor.exe --hash-password`` to generate a hash of your password. For example::
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cd "C:\Program Files (x86)\tor-win32\Tor"
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tor.exe --hash-password "comprised stumble rummage work avenging construct volatile"
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The hashed password output is displayed after some warnings (which you can ignore). In the case of the above example, it is ``16:00322E903D96DE986058BB9ABDA91E010D7A863768635AC38E213FDBEF``.
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Now create a new text file at ``C:\Program Files (x86)\tor-win32\torrc`` and put your hashed password output in it, replacing the ``HashedControlPassword`` with the one you just generated::
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ControlPort 9051
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HashedControlPassword (the hash you generate from the password you picked above)
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In your administrator command prompt, install ``tor`` as a service using the appropriate ``torrc`` file you just created (as described in `<https://2019.www.torproject.org/docs/faq.html.en#NTService>`_). Like this::
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tor.exe --service install -options -f "C:\Program Files (x86)\tor-win32\torrc"
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You are now running a system ``tor`` process in Windows!
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Open OnionShare and click the "⚙" icon in it.
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Under "How should OnionShare connect to Tor?" choose "Connect using control port", and set
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"Control port" to ``127.0.0.1`` and
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"Port" to ``9051``.
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Under "Tor authentication settings" choose "Password" and set the password to the control port password you picked above.
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Click the "Test Connection to Tor" button.
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If all goes well, you should see "Connected to the Tor controller".
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Using a system ``tor`` in macOS
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-------------------------------
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First, install `Homebrew <https://brew.sh/>`_ if you don't already have it, and then install Tor::
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brew install tor
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Now configure Tor to allow connections from OnionShare::
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mkdir -p /usr/local/var/run/tor
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chmod 700 /usr/local/var/run/tor
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echo 'SOCKSPort 9050' >> /usr/local/etc/tor/torrc
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echo 'ControlPort unix:"/usr/local/var/run/tor/control.socket"' >> /usr/local/etc/tor/torrc
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And start the system Tor service::
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brew services start tor
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Open OnionShare and click the "⚙" icon in it.
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Under "How should OnionShare connect to Tor?" choose "Connect using socket file", and
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set the socket file to be ``/usr/local/var/run/tor/control.socket``.
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Under "Tor authentication settings" choose "No authentication, or cookie authentication".
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Click the "Test Connection to Tor" button.
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If all goes well, you should see "Connected to the Tor controller".
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Using a system ``tor`` in Linux
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-------------------------------
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First, install the ``tor`` package. If you're using Debian, Ubuntu, or a similar Linux distro, It is recommended to use the Tor Project's `official repository <https://support.torproject.org/apt/tor-deb-repo/>`_.
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Next, add your user to the group that runs the ``tor`` process (in the case of Debian and Ubuntu, ``debian-tor``) and configure OnionShare to connect to your system ``tor``'s control socket file.
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Add your user to the ``debian-tor`` group by running this command (replace ``username`` with your actual username)::
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sudo usermod -a -G debian-tor username
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Reboot your computer.
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After it boots up again, open OnionShare and click the "⚙" icon in it.
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Under "How should OnionShare connect to Tor?" choose "Connect using socket file".
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Set the socket file to be ``/var/run/tor/control``.
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Under "Tor authentication settings" choose "No authentication, or cookie authentication".
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Click the "Test Connection to Tor" button.
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If all goes well, you should see "Connected to the Tor controller".
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