NAME¶
mac_partition
—
process partition policy
SYNOPSIS¶
To compile the process partition policy into your kernel, place the following
lines in your kernel configuration file:
options MAC
options MAC_PARTITION
Alternately, to load the process partition module at boot time, place the
following line in your kernel configuration file:
options MAC
and in
loader.conf(5):
DESCRIPTION¶
The
mac_partition
policy module implements a
process partition policy, which allows administrators to place running
processes into “partitions”, based on their numeric process
partition (specified in the process's MAC label). Processes with a specified
partition can only see processes that are in the same partition. If no
partition is specified for a process, it can see all other processes in the
system (subject to other MAC policy restrictions not defined in this man
page). No provisions for placing processes into multiple partitions are
available.
Partition labels take on the following format:
partition/
value
Where
value can be any integer value or
“
none
”. For example:
partition/1
partition/20
partition/none
SEE ALSO¶
mac(4),
mac_biba(4),
mac_bsdextended(4),
mac_ifoff(4),
mac_lomac(4),
mac_mls(4),
mac_none(4),
mac_portacl(4),
mac_seeotheruids(4),
mac_test(4),
maclabel(7),
mac(9)
HISTORY¶
The
mac_partition
policy module first
appeared in
FreeBSD 5.0 and was developed by the
TrustedBSD Project.
AUTHORS¶
This software was contributed to the
FreeBSD Project by
Network Associates Labs, the Security Research Division of Network Associates
Inc. under DARPA/SPAWAR contract N66001-01-C-8035 (“CBOSS”), as
part of the DARPA CHATS research program.
BUGS¶
See
mac(9) concerning appropriateness for
production use. The TrustedBSD MAC Framework is considered experimental in
FreeBSD.
While the MAC Framework design is intended to support the containment of the
root user, not all attack channels are currently protected by entry point
checks. As such, MAC Framework policies should not be relied on, in isolation,
to protect against a malicious privileged user.