[Samba] Server 2012 Encrypted Shares and SMB 3.0

Jeremy Allison jra at samba.org
Mon Mar 18 12:54:40 MDT 2013

On Sun, Mar 17, 2013 at 11:59:49PM -0500, Cory Spence wrote:
> Hello Samba folks,
> Server 2012 has an option to create encrypted shares which enable
> in-transit data encryption between Windows 8 clients using SMB 3.0.
>  (
> http://blogs.technet.com/cfs-filesystemfile.ashx/__key/communityserver-blogs-components-weblogfiles/00-00-00-47-85-metablogapi/2313.clip_5F00_image00111_5F00_757A262D.jpg
> )
> I ran across a presentation from Michael Adam where he mentioned that the
> SMB 3.0 implementation in Samba 4 supports "new crypto (sign/encrypt)". I
> really want that to mean what I'm hoping it means...
> (
> http://www.snia.org/sites/default/files2/SDC2012/presentations/SMB2-3/MichaelAdam-Status-smb3-samba-presentation.pdf
> )
> In all my efforts, I can't seem to get this to work in the lab (access
> denied error) or find any conclusive answer to it being supported up to
> v4.0.3.  This would include either where 1.) the Samba server is serving
> out an encrypted share as the file server or 2.) as a client connecting to
> a Server 2012 encrypted share.

Yes it means what you think it means, and it should work
(at least from a Windows client to a Samba server, the
client code exists but isn't plumbed into smbclient yet).

If it doesn't try getting debug level 10 logs and posting


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