*/
    private SmbNegotiation negotiate2(final Smb2NegotiateResponse first) throws IOException, SocketException {
        final int size = 0;

        final int securityMode = getRequestSecurityMode(first);

        // further negotiation needed
        final Smb2NegotiateRequest smb2neg = new Smb2NegotiateRequest(getContext().getConfig(), securityMode);
        Smb2NegotiateResponse r = null;