        for this Authenticator.</p>
        <p>As an alternative to creating a session, this attribute may be used
        to define the user agents for which HTTP keep-alive is disabled. This
        means that a connection will only used for a single request and hence
        there is no ability to cache authenticated user information per
        connection. There will be a performance cost in disabling HTTP
        keep-alive.</p>
        <p>The attribute should be a regular expression that matches the e