SMB3 Session Setup

Jeremy Allison jra at
Tue Oct 2 22:49:28 MDT 2012

On Tue, Oct 02, 2012 at 11:39:46PM -0500, Steve French wrote:
> I noticed some odd differences between Samba 4 (current master) and
> Windows 8 in SMB3 session setup handling (both fail for different
> reasons at the moment from the linux cifs client, while smb2.1 works).
> negotiate protocol to both (Samba and Windows 8) look similar.  In
> this case I am requesting only one dialect smb3
> session setup phase 1 (raw ntlmssp) looks similar.
> three cases for session setup phase two
> 1) if bad password:  then I get STATUS_LOGON_FAILURE as expected
> 2) if good password (which worked with smb2.1) then to Samba server I
> get Samba sending back a signed response (success), even though I
> didn't ask for signing

I think you're running into:

[Bug 9222] New: smbd ignores the "server signing = no" setting for SMB2.

which I just fixed in master. Re-checkout the git
tree and try again.

> 3) if good password (which worked with smb2.1) then to Windows 8
> server I get Windows 8 sending back an error response
> Any idea what that error means?

Crypto stuff has changed (again :-) ?


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