class="filename">pg_hba.conf</code> records are examined
   sequentially for each connection attempt, the order of the records is
   significant. Typically, earlier records will have tight connection
   match parameters and weaker authentication methods, while later
   records will have looser match parameters and stronger authentication
   methods. For example, one might wish to use <code class="literal">trust</code>
   authentication for local TCP/IP connections but require a password for
   remote TCP/IP