include:</p>
<ul>
<li><b>BasicAuthenticator</b> - Implements HTTP BASIC authentication, as
    described in RFC 2617.</li>
<li><b>DigestAuthenticator</b> - Implements HTTP DIGEST authentication, as
    described in RFC 2617.</li>
<li><b>FormAuthenticator</b> - Implements FORM-BASED authentication, as
    described in the Servlet API Specification.</li>
</ul>

</body>
