[Samba] Is FSCTL_VALIDATE_NEGOTIATE_INFO mandatory in samba-4.4 & onwards

[amit kumar]

Hello,

I was reading about secure Dialect negotiation to prevent man-in-middle
to downgrade dialects & capabilities.
_https://blogs.msdn.microsoft.com/openspecification/2012/06/28/smb3-secure-dialect-negotiation/_

I wanted to ask, is there any option to disable SMB2 to do dialect
renegotiation as present in Windows8 clients, as they can control using
RequireSecureNegotiate.

-- 
Thanks
Amit Kumar
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