Rooting FreeBSD , Privilege Escalation using Jails (P??????tur)

[Chris Rees]

On 10 May 2011 16:10, "Jamie Landeg Jones" <jamie at bishopston.net> wrote:
>
> > It used to confuzzle sysadmins on SUNos when the mount point was
> > 0700.  The underlying mode disapeared when the mount was made, but it
> > was still being enforced. Suddenly no one but root could use say /usr
> > even though it was apparently 0755
>
> I remember that happening! I thought it was like that on FreeBSD too,
> but if it was, it isn't any longer!
>
> I always make mount-points 0111 these days
>

Why not 0000? What sense does having -r+x make?

Chris