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  <div class="section" id="two-factor-authentication">
<span id="fa"></span><h1>Two-factor authentication<a class="headerlink" href="#two-factor-authentication" title="Permalink to this headline">¶</a></h1>
<div class="versionadded">
<p><span class="versionmodified">New in version 4.8.0.</span></p>
</div>
<p>Since phpMyAdmin 4.8.0 you can configure two-factor authentication to be
used when logging in. To use this, you first need to configure the
<a class="reference internal" href="setup.html#linked-tables"><span class="std std-ref">phpMyAdmin configuration storage</span></a>. Once this is done, every user can opt-in for second
authentication factor in the <span class="guilabel">Settings</span>.</p>
<p>When running phpMyAdmin from the Git source repository, the dependencies must be installed
manually; the typical way of doing so is with the command:</p>
<div class="highlight-sh"><div class="highlight"><pre><span></span>composer require pragmarx/google2fa bacon/bacon-qr-code
</pre></div>
</div>
<p>Or when using a hardware security key with FIDO U2F:</p>
<div class="highlight-sh"><div class="highlight"><pre><span></span>composer require samyoul/u2f-php-server
</pre></div>
</div>
<div class="section" id="authentication-application-2fa">
<h2>Authentication Application (2FA)<a class="headerlink" href="#authentication-application-2fa" title="Permalink to this headline">¶</a></h2>
<p>Using application for authentication is quite common approach based on HOTP and
<a class="reference external" href="https://en.wikipedia.org/wiki/Time-based_One-time_Password_Algorithm">TOTP</a>.
It is based on transmitting private key from phpMyAdmin to the authentication
application and the application is then able to generate one time codes based
on this key.</p>
<p>There are dozens of applications available for mobile phones to implement these
standards, the most widely used include:</p>
<ul class="simple">
<li><a class="reference external" href="https://freeotp.github.io/">FreeOTP for iOS, Android and Pebble</a></li>
<li><a class="reference external" href="https://authy.com/">Authy for iOS, Android, Chrome, OS X</a></li>
<li><a class="reference external" href="https://itunes.apple.com/us/app/google-authenticator/id388497605">Google Authenticator for iOS</a></li>
<li><a class="reference external" href="https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2">Google Authenticator for Android</a></li>
<li><a class="reference external" href="https://lastpass.com/auth/">LastPass Authenticator for iOS, Android, OS X, Windows</a></li>
</ul>
</div>
<div class="section" id="hardware-security-key-fido-u2f">
<h2>Hardware Security Key (FIDO U2F)<a class="headerlink" href="#hardware-security-key-fido-u2f" title="Permalink to this headline">¶</a></h2>
<p>Using hardware tokens is considered to be more secure than software based
solution. phpMyAdmin supports <a class="reference external" href="https://en.wikipedia.org/wiki/Universal_2nd_Factor">FIDO U2F</a>
tokens.</p>
<p>There are several manufacturers of these tokens, for example:</p>
<ul class="simple">
<li><a class="reference external" href="https://www.yubico.com/solutions/fido-u2f/">youbico FIDO U2F Security Key</a></li>
<li><a class="reference external" href="https://www.hypersecu.com/products/hyperfido">HyperFIDO</a></li>
<li><a class="reference external" href="https://shop.trezor.io?a=572b241135e1">TREZOR Bitcoin wallet</a> can <a class="reference external" href="https://doc.satoshilabs.com/trezor-user/u2f.html">act as an U2F token</a></li>
</ul>
</div>
<div class="section" id="simple-two-factor-authentication">
<span id="simple2fa"></span><h2>Simple two-factor authentication<a class="headerlink" href="#simple-two-factor-authentication" title="Permalink to this headline">¶</a></h2>
<p>This authentication is included for testing and demostration purposes only as
it really does not provide two-factor authentication, it just asks user to confirm login by
clicking on the button.</p>
<p>It should not be used in the production and is disabled unless
<span class="target" id="index-0"></span><a class="reference internal" href="config.html#cfg_DBG_simple2fa"><code class="xref config config-option docutils literal"><span class="pre">$cfg['DBG']['simple2fa']</span></code></a> is set.</p>
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  <h3><a href="index.html">Table Of Contents</a></h3>
  <ul>
<li><a class="reference internal" href="#">Two-factor authentication</a><ul>
<li><a class="reference internal" href="#authentication-application-2fa">Authentication Application (2FA)</a></li>
<li><a class="reference internal" href="#hardware-security-key-fido-u2f">Hardware Security Key (FIDO U2F)</a></li>
<li><a class="reference internal" href="#simple-two-factor-authentication">Simple two-factor authentication</a></li>
</ul>
</li>
</ul>

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