2.2.4.54.1 Request

 SMB_Parameters
   {
   UCHAR WordCount;
   Words
     {
     UCHAR  AndXCommand;
     UCHAR  AndXReserved;
     USHORT AndXOffset;
     }
   }
 SMB_Data
   {
   USHORT ByteCount;
   }

SMB_Header:

UID (2 bytes): The User ID to be logged off. The value of this field MUST have been previously generated by an SMB_COM_SESSION_SETUP_ANDX command.

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
SMB_Parameters
...								SMB_Data

SMB_Parameters (5 bytes):

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
WordCount								Words
...

WordCount (1 byte): The value of this field MUST be 0x02.

Words (4 bytes):

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
AndXCommand								AndXReserved								AndXOffset

AndXCommand (1 byte): The secondary SMB command request in the packet. This value MUST be set to 0xFF if there are no additional SMB command requests in the client request packet.

AndXReserved (1 byte): A reserved field. This MUST be set to 0x00 when this request is sent, and the server MUST ignore this value when the message is received.

AndXOffset (2 bytes): This field MUST be set to the offset in bytes from the start of the SMB Header (section 2.2.3.1) to the start of the WordCount field in the next SMB command in this packet. This field is valid only if the AndXCommand field is not set to 0xFF.

SMB_Data (2 bytes):

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
ByteCount

ByteCount (2 bytes): This field MUST be 0x0000. No data is sent by this message.