NAME

       mac_stub — MAC policy stub module

SYNOPSIS

       To compile the stub policy into your kernel, place the following lines in your kernel configuration file:

             options MAC
             options MAC_STUB

       Alternately,  to load the stub module at boot time, place the following line in your kernel configuration
       file:

             options MAC

       and in loader.conf(5):

             mac_stub_load="YES"

DESCRIPTION

       The mac_stub policy module implements a stub MAC policy that has no  effect  on  access  control  in  the
       system.   Unlike  mac_none(4), each MAC entry point is defined as a “no-op”, so the policy module will be
       entered for each event, but no change in system behavior should result.

   Label Format
       No labels are defined for mac_stub.

SEE ALSO

       mac(4),   mac_biba(4),   mac_bsdextended(4),   mac_ifoff(4),   mac_lomac(4),   mac_mls(4),   mac_none(4),
       mac_partition(4), mac_portacl(4), mac_seeotheruids(4), mac_test(4), mac(9)

HISTORY

       The mac_stub policy module first appeared in FreeBSD 5.1 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

       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.

Debian                                            July 25, 2015                                      MAC_STUB(4)