if ( trans.hasCapability(SmbConstants.CAP_EXTENDED_SECURITY) ) {
                    log.debug("Extended security negotiated");
                    state = 20; /* NTLMSSP */
                    break;
                }
                else if ( getContext().getConfig().isForceExtendedSecurity() ) {
                    throw new SmbException("Server does not supported extended security");
                }