2.2.31.4 VALIDATE_NEGOTIATE_INFO Request

The VALIDATE_NEGOTIATE_INFO request packet is sent to the server by the client in an SMB2 IOCTL Request FSCTL_VALIDATE_NEGOTIATE_INFO to request validation of a previous SMB 2 NEGOTIATE. The request is valid for clients and servers which implement the SMB 3.0 and SMB 3.0.2 dialects.

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Capabilities
Guid
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...
...
SecurityMode																DialectCount
Dialects (variable)
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Capabilities (4 bytes): The Capabilities of the client.

Guid (16 bytes): The ClientGuid of the client.

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

DialectCount (2 bytes): The number of entries in the Dialects field.

Dialects (variable): The list of SMB2 dialects supported by the client. These entries SHOULD contain only the 2-byte Dialects values defined in section 2.2.3.