acl</code> method</li>
</ul>
If a configuration violates these restrictions, the server will detect it and refuse to launch with error message.
</p>

<p>
For example, both of the following examples violate the restrictions above, so the server will refuse to start up.
</p>

<div class="example">
<div class="caption">Example. Misconfiguration Example 1</div>
<pre><code>paths:
  &quot;/&quot;:
    mruby.handler: |
      acl {    # this block will be ignored!
        allow { addr == &quot;127.0.0.1&quot; }
   