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<h1 id="security-authentication-types--page-root">Authentication types<a class="headerlink" href="#security-authentication-types--page-root" title="Permalink to this headline">#</a></h1>
<p>Trino supports multiple authentication types to ensure all users of the system
are authenticated. Different authenticators allow user management in one or more
systems. Using <a class="reference internal" href="tls.html"><span class="doc">TLS</span></a> is required for all authentications types.</p>
<p>You can configure one or more authentication types with the
<code class="docutils literal notranslate"><span class="pre">http-server.authentication.type</span></code> property. The following authentication types
and authenticators are available:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">PASSWORD</span></code> for</p>
<ul>
<li><p><a class="reference internal" href="password-file.html"><span class="doc">Password file authentication</span></a></p></li>
<li><p><a class="reference internal" href="ldap.html"><span class="doc">LDAP authentication</span></a></p></li>
<li><p><a class="reference internal" href="salesforce.html"><span class="doc">Salesforce authentication</span></a></p></li>
</ul>
</li>
<li><p><code class="docutils literal notranslate"><span class="pre">OAUTH2</span></code> for <a class="reference internal" href="oauth2.html"><span class="doc">OAuth 2.0 authentication</span></a></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">KERBEROS</span></code> for <a class="reference internal" href="kerberos.html"><span class="doc">Kerberos authentication</span></a></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">CERTIFICATE</span></code> for <a class="reference internal" href="certificate.html"><span class="doc">Certificate authentication</span></a></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">JWT</span></code> for <a class="reference internal" href="jwt.html"><span class="doc">JWT authentication</span></a></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">HEADER</span></code> for <a class="reference internal" href="../develop/header-authenticator.html"><span class="doc">Header authenticator</span></a></p></li>
</ul>
<p>Get started with a basic password authentication configuration backed by a
<a class="reference internal" href="password-file.html"><span class="doc">password file</span></a>:</p>
<div class="highlight-properties notranslate"><div class="highlight"><pre><span></span><span class="na">http-server.authentication.type</span><span class="o">=</span><span class="s">PASSWORD</span>
</pre></div>
</div>

<h2 id="multiple-authentication-types">Multiple authentication types<a class="headerlink" href="#multiple-authentication-types" title="Permalink to this headline">#</a></h2>
<p>You can use multiple authentication types, separated with commas in the
configuration:</p>
<div class="highlight-properties notranslate"><div class="highlight"><pre><span></span><span class="na">http-server.authentication.type</span><span class="o">=</span><span class="s">PASSWORD,CERTIFICATE</span>
</pre></div>
</div>
<p>Authentication is performed in order of the entries, and first successful
authentication results in access, using the <a class="reference internal" href="user-mapping.html"><span class="doc">mapped user</span></a>
from that authentication method.</p>


<h2 id="multiple-password-authenticators">Multiple password authenticators<a class="headerlink" href="#multiple-password-authenticators" title="Permalink to this headline">#</a></h2>
<p>You can use multiple password authenticator types by referencing multiple
configuration files:</p>
<div class="highlight-properties notranslate"><div class="highlight"><pre><span></span><span class="na">http-server.authentication.type</span><span class="o">=</span><span class="s">PASSWORD</span>
<span class="na">password-authenticator.config-files</span><span class="o">=</span><span class="s">etc/ldap1.properties,etc/ldap2.properties,etc/password.properties</span>
</pre></div>
</div>
<p>In the preceding example, the configuration files <code class="docutils literal notranslate"><span class="pre">ldap1.properties</span></code> and
<code class="docutils literal notranslate"><span class="pre">ldap2.properties</span></code> are regular <a class="reference internal" href="ldap.html"><span class="doc">LDAP authenticator configuration files</span></a>. The <code class="docutils literal notranslate"><span class="pre">password.properties</span></code> is a <a class="reference internal" href="password-file.html"><span class="doc">password file authenticator
configuration file</span></a>.</p>
<p>Relative paths to the installation directory or absolute paths can be used.</p>
<p>User authentication credentials are first validated against the LDAP server from
<code class="docutils literal notranslate"><span class="pre">ldap1</span></code>, then the separate server from <code class="docutils literal notranslate"><span class="pre">ldap2</span></code>, and finally the password
file. First successful authentication results in access, and no further
authenticators are called.</p>


<h2 id="multiple-header-authenticators">Multiple header authenticators<a class="headerlink" href="#multiple-header-authenticators" title="Permalink to this headline">#</a></h2>
<p>You can use multiple header authenticator types by referencing multiple
configuration files:</p>
<div class="highlight-properties notranslate"><div class="highlight"><pre><span></span><span class="na">http-server.authentication.type</span><span class="o">=</span><span class="s">HEADER</span>
<span class="na">header-authenticator.config-files</span><span class="o">=</span><span class="s">etc/xfcc.properties,etc/azureAD.properties</span>
</pre></div>
</div>
<p>Relative paths to the installation directory or absolute paths can be used.</p>
<p>The pre-configured headers are first validated against the <code class="docutils literal notranslate"><span class="pre">xfcc</span></code> authenticator,
then the <code class="docutils literal notranslate"><span class="pre">azureAD</span></code> authenticator. First successful authentication results in access,
and no further authenticators are called.</p>


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