synapse/latest/usage/configuration/user_authentication/index.html
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<ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="../../../welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="../../../setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="../../../postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="../../../reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="../../../setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="../../../turn-howto.html">Configuring a Turn Server</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../setup/turn/coturn.html">coturn TURN server</a></li><li class="chapter-item expanded "><a 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callbacks</a></li><li class="chapter-item expanded "><a href="../../../modules/background_update_controller_callbacks.html">Background update controller callbacks</a></li><li class="chapter-item expanded "><a href="../../../modules/account_data_callbacks.html">Account data callbacks</a></li><li class="chapter-item expanded "><a href="../../../modules/porting_legacy_module.html">Porting a legacy module to the new interface</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="../../../workers.html">Workers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../synctl_workers.html">Using synctl with Workers</a></li><li class="chapter-item expanded "><a href="../../../systemd-with-workers/index.html">Systemd</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="../../../usage/administration/index.html">Administration</a></li><li><ol class="section"><li class="chapter-item expanded "><a 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Room Membership</a></li><li class="chapter-item expanded "><a href="../../../admin_api/rooms.html">Rooms</a></li><li class="chapter-item expanded "><a href="../../../admin_api/server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="../../../admin_api/statistics.html">Statistics</a></li><li class="chapter-item expanded "><a href="../../../admin_api/user_admin_api.html">Users</a></li><li class="chapter-item expanded "><a href="../../../admin_api/version_api.html">Server Version</a></li><li class="chapter-item expanded "><a href="../../../usage/administration/admin_api/federation.html">Federation</a></li></ol></li><li class="chapter-item expanded "><a href="../../../manhole.html">Manhole</a></li><li class="chapter-item expanded "><a href="../../../metrics-howto.html">Monitoring</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../../usage/administration/monitoring/reporting_homeserver_usage_statistics.html">Reporting Homeserver 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<h1 id="user-authentication"><a class="header" href="#user-authentication">User Authentication</a></h1>
<p>Synapse supports multiple methods of authenticating users, either out-of-the-box or through custom pluggable
authentication modules.</p>
<p>Included in Synapse is support for authenticating users via:</p>
<ul>
<li>A username and password.</li>
<li>An email address and password.</li>
<li>Single Sign-On through the SAML, Open ID Connect or CAS protocols.</li>
<li>JSON Web Tokens.</li>
<li>An administrator's shared secret.</li>
</ul>
<p>Synapse can additionally be extended to support custom authentication schemes through optional &quot;password auth provider&quot;
modules.</p>
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