unprivileged users are able to kill certain jailed processes

[Joseph Koshy]

bk> That means you have to consider that the host environment
bk> need to be trustworthy if you use jails and as long as you
bk> can't guarantee strict isolation of the host environment
bk> from the point of view of unprivileged users it would be
bk> the wrong way to obscure jails from these users
bk> partially, like I suggested.

On FreeBSD 5 and later there is mac_partition(4).  You
could investigate using setpmac(8) to run processes inside
the jail with a different partition label than processes
in the host environment.

--
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