title: Snort Message - WARNING: No preprocessors configured for policy 0
body: <p>I have installed and configured snort 2.9.7.2 and it is running without a problem. However, my question is: what does the following warning mean?</p>
  
  <blockquote>
    <p>"No preprocessors configured for policy 0"</p>
  </blockquote>
  
  <p>This message shows when I run the command:</p>
  
  <pre><code>snort -v
  </code></pre>