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Not logical to use svn checkout against a github repo, so changed to git clone. Signed-off-by: Rick Cogley <rick.cogley@esolia.co.jp>
98 lines
3.1 KiB
ReStructuredText
98 lines
3.1 KiB
ReStructuredText
How to enable VoIP relaying on your Home Server with TURN
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Overview
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--------
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The synapse Matrix Home Server supports integration with TURN server via the
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TURN server REST API
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(http://tools.ietf.org/html/draft-uberti-behave-turn-rest-00). This allows
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the Home Server to generate credentials that are valid for use on the TURN
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server through the use of a secret shared between the Home Server and the
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TURN server.
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This document describes how to install coturn
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(https://github.com/coturn/coturn) which also supports the TURN REST API,
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and integrate it with synapse.
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coturn Setup
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============
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You may be able to setup coturn via your package manager, or set it up manually using the usual ``configure, make, make install`` process.
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1. Check out coturn::
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git clone https://github.com/coturn/coturn.git coturn
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cd coturn
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2. Configure it::
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./configure
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You may need to install ``libevent2``: if so, you should do so
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in the way recommended by your operating system.
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You can ignore warnings about lack of database support: a
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database is unnecessary for this purpose.
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3. Build and install it::
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make
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make install
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4. Create or edit the config file in ``/etc/turnserver.conf``. The relevant
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lines, with example values, are::
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lt-cred-mech
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use-auth-secret
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static-auth-secret=[your secret key here]
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realm=turn.myserver.org
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See turnserver.conf for explanations of the options.
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One way to generate the static-auth-secret is with pwgen::
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pwgen -s 64 1
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5. Ensure youe firewall allows traffic into the TURN server on
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the ports you've configured it to listen on (remember to allow
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both TCP and UDP if you've enabled both).
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6. If you've configured coturn to support TLS/DTLS, generate or
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import your private key and certificate.
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7. Start the turn server::
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bin/turnserver -o
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synapse Setup
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=============
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Your home server configuration file needs the following extra keys:
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1. "turn_uris": This needs to be a yaml list
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of public-facing URIs for your TURN server to be given out
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to your clients. Add separate entries for each transport your
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TURN server supports.
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2. "turn_shared_secret": This is the secret shared between your Home
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server and your TURN server, so you should set it to the same
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string you used in turnserver.conf.
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3. "turn_user_lifetime": This is the amount of time credentials
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generated by your Home Server are valid for (in milliseconds).
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Shorter times offer less potential for abuse at the expense
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of increased traffic between web clients and your home server
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to refresh credentials. The TURN REST API specification recommends
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one day (86400000).
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As an example, here is the relevant section of the config file for
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matrix.org::
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turn_uris: [ "turn:turn.matrix.org:3478?transport=udp", "turn:turn.matrix.org:3478?transport=tcp" ]
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turn_shared_secret: n0t4ctuAllymatr1Xd0TorgSshar3d5ecret4obvIousreAsons
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turn_user_lifetime: 86400000
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Now, restart synapse::
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cd /where/you/run/synapse
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./synctl restart
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...and your Home Server now supports VoIP relaying!
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