title: Adding Header always append X-Frame-Options SAMEORIGIN to apache2 debian 7
body: <p>I need to add the following:</p>
  
  <pre><code>Header always append X-Frame-Options SAMEORIGIN
  </code></pre>
  
  <p>Now when I add it as is and restart apache2, I get this error:</p>
  
  <pre><code>Syntax error on line 272 of /etc/apache2/apache2.conf:
  Invalid command 'Header', perhaps misspelled or defined by a module not included in the server configuration
  Action 'configtest' failed.
  The Apache error log may have more information.
   failed!
  </code></pre>
  
  <p>I need this done as it is risking my sites from <a href="https://en.wikipedia.org/wiki/Clickjacking" rel="nofollow noreferrer">Clickjacking</a>. </p>