"application/vnd.criticaltools.wbs+xml",
				"application/vnd.ctc-posml",
				"application/vnd.ctct.ws+xml",
				"application/vnd.cups-pdf",
				"application/vnd.cups-postscript",
				"application/vnd.cups-ppd",
				"application/vnd.cups-raster",
				"application/vnd.cups-raw",
				"application/vnd.curl.car",
				"application/vnd.curl.pcurl",
				"application/vnd.cybank",
				"application/vnd.data-vision.rdz",

        final Socket s = this.socket;
        return super.isFailed() || s == null || s.isClosed();
    }

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

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