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NAME

      mac_test - MAC framework testing policy

SYNOPSIS

      To compile the testing policy into your kernel, place the following lines
      in your kernel configuration file:
 
            options MAC
            options MAC_TEST
 
      Alternately, to load the testing module at boot time, place the following
      line in your kernel configuration file:
 
            options MAC
 
      and in loader.conf(5):
 
            mac_test_load="YES"

DESCRIPTION

      The mac_test policy module implements a testing facility for the MAC
      framework.  Among other things, mac_test will try to catch corrupt labels
      the system is attempting to destroy and drop to the debugger.  Addition‐
      ally, a set of statistics regarding the number of times various MAC
      framework entry points have been called is stored in the
      security.mac.test sysctl(8) tree.
 
    Label Format
      No labels are defined for mac_test.
      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(9)

HISTORY

      The mac_test policy module first appeared in FreeBSD 5.0 and was devel‐
      oped by the TrustedBSD Project.

AUTHORS

      This software was contributed to the FreeBSD Project by Network Asso‐
      ciates 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.