ctive system, you will need to signal the postmaster
   (using <code class="literal">pg_ctl reload</code>, calling the SQL function
   <code class="function">pg_reload_conf()</code>, or using <code class="literal">kill
   -HUP</code>) to make it re-read the file.
  </p><div class="note"><h3 class="title">Note</h3><p>
    The preceding statement is not true on Microsoft Windows: there, any
    changes in the <code class="filename">pg_hba.conf</code> file are immediately
    applied by subsequent new connecti