</a></dt>
<dd>
<div class="block">The identifier for a ProtectionPolicy that indicates that the message recipient is to be authenticated.</div>
</dd>
<dt><span class="memberNameLink"><a href="javax/security/auth/message/MessagePolicy.ProtectionPolicy.html#AUTHENTICATE_SENDER">AUTHENTICATE_SENDER</a></span> - Static variable in interface javax.security.auth.message.<a href="javax/security/auth/message/MessagePolicy.ProtectionPolicy.html" title="interface in javax.security.auth.message">MessagePolicy.Protecti