On Sat, Oct 28, 2017 at 10:46:27AM -0400, Phil Pennock wrote:
> On 2017-10-28 at 15:58 +0200, Heiko Schlittermann via Exim-users wrote:
> > So, what's the owner of the binary? And - does your OS provide some
> > means to disallow set-uid binaries from setting the (e)uid (Linux has,
> > but has your *BSD?)
>
> Yes. FreeBSD supports nosuid mounts. With ZFS, it's even an
> inheritable property on the dataset. In either case, just running
> `mount` and looking for the mount-point where the binary lives should
> reveal it.
>
> Eg:
>
> # mount | grep music
> cast/media/music on /mnt/cast/media/music (zfs, local, noatime, noexec, nosuid, nfsv4acls)
> # zfs get setuid cast/media/music
> NAME PROPERTY VALUE SOURCE
> cast/media/music setuid off inherited from cast/media
>
> Hope this helps with debugging,
> -Phil
Tried to convert to ZFS recently, but could not
so I am stuck in UFS :-(
>
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