ection 21.4</a> for details.
         </p></dd><dt><span class="term"><code class="literal">reject</code></span></dt><dd><p>
          Reject the connection unconditionally. This is useful for
          <span class="quote">“<span class="quote">filtering out</span>”</span> certain hosts from a group, for example a
          <code class="literal">reject</code> line could block a specific host from connecting,
          while a later line allows the remaining hosts in a specific
          network to conne