byte[] sequence = new byte[8];
        SMBUtil.writeInt4(msg.getSignSeq(), sequence, 0);
        update(sequence, 0, sequence.length);
        index += 8;
        if ( msg.getCommand() == ServerMessageBlock.SMB_COM_READ_ANDX ) {
            /*
             * SmbComReadAndXResponse reads directly from the stream into separate byte[] b.
             */

     */
    private static void checkRequest ( SmbTransportImpl transport, ServerMessageBlock request, String svc ) throws SmbException {
        if ( !"A:".equals(svc) ) {
            switch ( request.getCommand() ) {
            case ServerMessageBlock.SMB_COM_OPEN_ANDX:
            case ServerMessageBlock.SMB_COM_NT_CREATE_ANDX:
            case ServerMessageBlock.SMB_COM_READ_ANDX: