ce in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name">getAuthType</span>()</div>
<div class="block">Returns the name of the authentication scheme used to protect the servlet. All servlet containers support basic, form
 and client certificate authentication, and may additionally support digest authentication. If the servlet is not
 authenticated <code>null</code> is returned.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>one of the static members BASIC_AUTH, FORM_AUTH, CLI