return null;
            }
            req.getSession().setAttribute( "NtlmHttpAuth", ntlm );
        } else {
            if (!skipAuthentication) {
                HttpSession ssn = req.getSession(false);
                if (ssn == null || (ntlm = (NtlmPasswordAuthentication)
                            ssn.getAttribute("NtlmHttpAuth")) == null) {
                    resp.setHeader( "WWW-Authenticate", "NTLM" );

            HttpSession ssn = request.getSession();
            ssn.setAttribute("NtlmHttpAuth", ntlm);
            ssn.setAttribute( "ntlmdomain", ntlm.getDomain() );
            ssn.setAttribute( "ntlmuser", ntlm.getUsername() );
        } else {
            HttpSession ssn = request.getSession(false);
            if (ssn == null || ssn.getAttribute("NtlmHttpAuth") == null) {
                response.setHeader("WWW-Authenticate", "NTLM");

            HttpSession ssn = request.getSession();
            ssn.setAttribute("NtlmHttpAuth", ntlm);
            ssn.setAttribute("ntlmdomain", ntlm.getUserDomain());
            ssn.setAttribute("ntlmuser", ntlm.getUsername());
        }
        else {
            HttpSession ssn = request.getSession(false);
            if ( ssn == null || ssn.getAttribute("NtlmHttpAuth") == null ) {
                response.setHeader("WWW-Authenticate", "NTLM");

                return null;
            }
            req.getSession().setAttribute("NtlmHttpAuth", ntlm);
        }
        else {
            if ( !skipAuthentication ) {
                HttpSession ssn = req.getSession(false);
                if ( ssn == null || ( ntlm = (NtlmPasswordAuthentication) ssn.getAttribute("NtlmHttpAuth") ) == null ) {
                    resp.setHeader("WWW-Authenticate", "NTLM");

 * <p>
 * How NTLMSSP is used in conjunction with HTTP and MSIE clients is
 * described in an <A HREF="http://www.innovation.ch/java/ntlm.html">NTLM
 * Authentication Scheme for HTTP</A>.  <p> Also, read <a
 * href="../../../ntlmhttpauth.html">jCIFS NTLM HTTP Authentication and
 * the Network Explorer Servlet</a> related information.
 */

public class NtlmSsp implements NtlmFlags {

    /**

 * How NTLMSSP is used in conjunction with HTTP and MSIE clients is
 * described in an <A HREF="http://www.innovation.ch/java/ntlm.html">NTLM
 * Authentication Scheme for HTTP</A>.
 * <p>
 * Also, read <a
 * href="../../../ntlmhttpauth.html">jCIFS NTLM HTTP Authentication and
 * the Network Explorer Servlet</a> related information.
 */
@Deprecated
public class NtlmSsp implements NtlmFlags {

    /**