return super.isFailed() || s == null || s.isClosed();
    }


    @Override
    public boolean hasCapability ( int cap ) throws SmbException {
        return getNegotiateResponse().haveCapabilitiy(cap);
    }


    /**
     * @return the negotiated
     * @throws SmbException
     */
    SmbNegotiationResponse getNegotiateResponse () throws SmbException {
        try {