The VALIDATE_NEGOTIATE_INFO response is returned to the client by the server in an SMB2 IOCTL response for FSCTL_VALIDATE_NEGOTIATE_INFO request. The response is valid for servers which implement the SMB 3.0 dialect, and optional for others.

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
Capabilities
Guid
...
...
...
SecurityMode																Dialect

Capabilities (4 bytes): The Capabilities of the server.

Guid (16 bytes): The ServerGuid of the server.

SecurityMode (2 bytes): The SecurityMode of the server.

Dialect (2 bytes): The SMB2 dialect in use by the server on the connection.

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