Samba4 ACLs and Linux ACLs

Jeremy Allison jra at
Sun Oct 24 17:59:43 MDT 2010

On Sun, Oct 24, 2010 at 12:29:41PM +0200, André Stierenberg wrote:

> So, what can I do? I need to use ACLs in Windows and the same on
> liunux server. I use ext4 fs on the linux server, but ext4 only
> support POSIX ACLs.

Separate out the S4 AD service and add a S3 member server.
Use the acl_xattr module on S3 to store Windows ACLs perfectly,
whilst still having them mapped underneath to POSIX ACLs.

Just don't try and do file service and domain service off
the same server right now.

> What should I do? Can I change the filesystem (e.g. ZFS) so that I
> can use the NT ACLs in linux or should I try s3compat? I also have
> to use the NT ACLs  via NFS. Any idea?

That's not going to help. You can't use the NT ACLs via NFS either.


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