* NtTrans Query Security Desc Request / Response
         */

        final NtTransQuerySecurityDesc request = new NtTransQuerySecurityDesc(f, 0x04);
        final NtTransQuerySecurityDescResponse response = new NtTransQuerySecurityDescResponse();

        try {
            send(request, response);
            aces = response.securityDescriptor.aces;
            if (aces != null) {

        if (!th.hasCapability(SmbConstants.CAP_NT_SMBS)) {
            throw new SmbUnsupportedOperationException("Not supported without CAP_NT_SMBS/SMB2");
        }
        NtTransQuerySecurityDescResponse response = new NtTransQuerySecurityDescResponse(getContext().getConfig());

        try (SmbFileHandleImpl f = openUnshared(O_RDONLY, READ_CONTROL, DEFAULT_SHARING, 0, isDirectory() ? 1 : 0)) {
            /*