title: make wildfly listen on port 443 not 8443
body: <p>so I have added a <code>SSL</code> certificate to my <code>wildfly 9</code> and it's working, but I want to configure my <code>standalone.xml</code> to listen to <code>https</code> on <code>port 443</code> not on <code>port 8443</code> as the default configuration, so when I update the value <code>${jboss.https.port:8443} to ${jboss.https.port:443}</code> it generate an error. 
  this what I have in my <code>standalone.xml</code> :</p>
  
  <pre><code>&lt;server name="default-server"&gt;
              &lt;http-listener name="default" socket-binding="http" redirect-socket="https"/&gt;
              &lt;https-listener name="httpsServer" socket-binding="https" security-realm="ApplicationRealm"/&gt;
              &lt;host name="default-host" alias="localhost"&gt;
                  &lt;location name="/" handler="welcome-content"/&gt;
                  &lt;location name="/images" handler="ImagesDirHandler"/&gt;
                  &lt;filter-ref name="server-header"/&gt;
                  &lt;filter-ref name="x-powered-by-header"/&gt;
              &lt;/host&gt;
  &lt;/server&gt;
  
  &lt;socket-binding-group name="standard-sockets" default-interface="public" port-offset="${jboss.socket.binding.port-offset:0}"&gt;
      &lt;socket-binding name="management-http" interface="management" port="${jboss.management.http.port:9990}"/&gt;
      &lt;socket-binding name="management-https" interface="management" port="${jboss.management.https.port:9993}"/&gt;
      &lt;socket-binding name="ajp" port="${jboss.ajp.port:8009}"/&gt;
      &lt;socket-binding name="http" port="${jboss.http.port:8080}"/&gt;
      &lt;socket-binding name="https" port="${jboss.https.port:8443}"/&gt;
      &lt;socket-binding name="txn-recovery-environment" port="4712"/&gt;
      &lt;socket-binding name="txn-status-manager" port="4713"/&gt;
      &lt;outbound-socket-binding name="mail-smtp"&gt;
          &lt;remote-destination host="localhost" port="25"/&gt;
      &lt;/outbound-socket-binding&gt;
  &lt;/socket-binding-group&gt;
  </code></pre>