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    <h1>22. Virtuoso Functions Guide - http_lock</h1>
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  <div id="text">
    <h2>http_lock</h2>
    <div class="refpurpose">Locks the HTTP Web Server port</div>
    <div class="funcsynopsis">
        <span class="funcdef">any <span class="function">http_lock</span>
      </span>
        (<span class="paramdef">in <span class="parameter">pwd</span> varchar</span>);
      </div>
  
  
  
  <div class="refsect1">
      <div class="refsect1title">Description</div>
  <p>This function takes as parameter the password of the dba user, locks the HTTP Web Server port 
  	and on any http access attempt shows the content of the html file given as value for the 
  	<strong>MaintenancePage</strong> parameter in the Virtuoso ini [HTTPServer] section:</p>
<div>
        <pre class="programlisting">
-- Virtuoso ini
...
[HTTPServer]
...
MaintenancePage = atomic.html
..	
</pre>
      </div>  	
     <p>Note: the html file should be placed in the HTTP root.</p>
  </div>	
  <div class="refsect1">
      <div class="refsect1title">Parameters</div>
    <div class="refsect2">
        <span class="refsect2title">pwd – </span>The password of the dba user.</div>
  </div>
  <div class="refsect1">
      <div class="refsect1title">Examples</div>
  <a name="ex_http_lock" />
      <div class="example">
        <div class="exampletitle" />
  <div>
          <pre class="screen">
SQL&gt; http_lock(&#39;password&#39;);

Done. -- 0 msec.
SQL&gt;
</pre>
        </div>
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    <div class="refsect1">
    <div class="refsect1title">See Also</div>
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        <a href="fn_http_unlock.html">http_unlock</a>
      </p>
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