title: System.getProperty("user.name") return same result on server and client
body: <p>I'm developing a JEE application and I deployed it on a server using Apache on STS.</p>
  
  <p>When access it, from a client machine, using the url <a href="http://server_ip_adress/my_app/" rel="nofollow noreferrer">http://server_ip_adress/my_app/</a> I'm having the user_name of the server not the client. What I want to have is the client's user_name.</p>
  
  <p>My code :</p>
  
  <pre><code>&lt;li&gt;
  &lt;p style="font-size: 22px;" id="hello"&gt;
              Bienvenue&lt;%=System.getProperty("user.name")%&gt;
  &lt;/p&gt;
  &lt;/li&gt;
  </code></pre>