1 .\" Copyright (c) 2002 Networks Associates Technology, Inc.
2 .\" All rights reserved.
4 .\" This software was developed for the FreeBSD Project by Chris Costello
5 .\" at Safeport Network Services and Network Associates Laboratories, the
6 .\" Security Research Division of Network Associates, Inc. under
7 .\" DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
8 .\" DARPA CHATS research program.
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11 .\" modification, are permitted provided that the following conditions
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35 .Dt MAC_SEEOTHERUIDS 4
38 .Nd "simple policy controlling whether users see other users"
41 policy into your kernel, place the following lines in your kernel
43 .Bd -ragged -offset indent
45 .Cd "options MAC_SEEOTHERUIDS"
48 Alternately, to load the module at boot time, place the following line
49 in your kernel configuration file:
50 .Bd -ragged -offset indent
56 .Bd -literal -offset indent
57 mac_seeotheruids_load="YES"
62 policy module, when enabled, denies users to see processes or sockets owned
68 .Va security.mac.seeotheruids.enabled
71 To allow users to see processes and sockets owned by the same primary group,
73 .Va security.mac.seeotheruids.primarygroup_enabled
76 To allow processes with a specific group ID to be exempt from the policy,
78 .Va security.mac.seeotheruids.specificgid_enabled
80 .Va security.mac.seeotheruids.specificgid
81 to the group ID to be exempted.
83 No labels are defined for
88 .Xr mac_bsdextended 4 ,
100 policy module first appeared in
102 and was developed by the
106 This software was contributed to the
108 Project by Network Associates Labs,
109 the Security Research Division of Network Associates
111 under DARPA/SPAWAR contract N66001-01-C-8035
113 as part of the DARPA CHATS research program.
117 concerning appropriateness for production use.
120 MAC Framework is considered experimental in
123 While the MAC Framework design is intended to support the containment of
124 the root user, not all attack channels are currently protected by entry
126 As such, MAC Framework policies should not be relied on, in isolation,
127 to protect against a malicious privileged user.