ze">Native PostgreSQL support.
</li><li class="li-itemize">ODBC data storage support.
</li><li class="li-itemize">Microsoft SQL Server support. </li><li class="li-itemize">Riak NoSQL database support.
</li></ul>
</li><li class="li-itemize">Authentication
<ul class="itemize"><li class="li-itemize">
Internal Authentication.
</li><li class="li-itemize">PAM, LDAP, ODBC and Riak. </li><li class="li-itemize">External Authentication script.
</li></ul>
</li><li class="li-itemize">Others
<ul class="itemize"><li clas