[Samba] Problems with OS X 10.11.5

[Jeremy Allison]

On Tue, May 31, 2016 at 10:08:40PM -0400, Seth Goldin wrote:
> I'm actually seeing from the Apple Support Communities thread that this
> might all be due to the fact that OS X 10.11.5 clients are requiring SMB
> signing. Curiously, I noticed that my SMB4.conf file on my FreeBSD server
> didn't even possess a `client signing` flag. Might all this be resolved if
> I just add a `client signing = auto` flag for the server's SMB4.conf file,
> so that the OS X client is talking properly to the server?

No. SMB signing by neccessity slows things down (without crypto
hardware support). If you're complaining about speed then you
might just have to turn it off. Think carefully before doing
that though.