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

        int securityMode = getRequestSecurityMode(first);

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