Re: Any chroot experts
On Sat, 19 Jul 1997 12:02:51 EDT Brandon Mitchell (bhmit1@mail.wm.edu)
wrote:
> I recently attended an internet security talk, and one thing that caught
> my attention is placing an offender in a virtual playpin or jail cell,
> where they could do all the damage they wanted without hurting the actual
> setup. I figured this was done using a chroot environment.
Beware of this. It's only 99% safe.
The remaining 1%: the sockets and devices remain global.
Ie as root in the playpin:
mknod /dev/hda b <major> <minor>
cat /dev/zero > dev/hda
will wipe your hard disk...
Phil.
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