This command allows the client to change the security descriptor on a file.
| Client Parameter Block Encoding ================================== | Description ================================== | 
| USHORT Fid; | FID of target | 
| USHORT Reserved; | MBZ | 
| ULONG SecurityInformation; | Fields of SD that to set | 
| Data Block Encoding ================================== | Description ================================== | 
| Data[TotalDataCount] | Security Descriptor information | 
data is passed directly to NtSetSecurityObject(), with securityinformation describing which information to set.  The transaction response contains no parameters or data.