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freebsd-skq/share/man/man4/mac_seeotheruids.4

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Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.\" Copyright (c) 2002 Networks Associates Technology, Inc.
.\" All rights reserved.
Kill whitespace at EOL. Approved by: re (blanket)
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.\"
o Refer to "Network Associates Laboratories" instead of "NAI Labs" or "Network Associates Labs" in the copyright notice. o Remove clause #3 in the license terms. o Remove the line break from my name. Sponsored by: DARPA, Network Associates Laboratories
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.\" This software was developed for the FreeBSD Project by Chris Costello
.\" at Safeport Network Services and Network Associates Laboratories, the
.\" Security Research Division of Network Associates, Inc. under
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.\" DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
.\" DARPA CHATS research program.
Kill whitespace at EOL. Approved by: re (blanket)
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.\"
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
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.\"
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
Kill whitespace at EOL. Approved by: re (blanket)
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.\"
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.\" $FreeBSD$
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.\"
-mdoc sweep.
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.Dd October 6, 2005
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Os
.Dt MAC_SEEOTHERUIDS 4
.Sh NAME
.Nm mac_seeotheruids
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.Nd "simple policy controlling whether users see other users"
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Sh SYNOPSIS
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To compile the
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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policy into your kernel, place the following lines in your kernel
configuration file:
Assorted mdoc(7) fixes.
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.Bd -ragged -offset indent
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Cd "options MAC"
.Cd "options MAC_SEEOTHERUIDS"
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.Ed
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Pp
Alternately, to load the module at boot time, place the following line
in your kernel configuration file:
Assorted mdoc(7) fixes.
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.Bd -ragged -offset indent
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Cd "options MAC"
Assorted mdoc(7) fixes.
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.Ed
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Pp
and in
Add or correct section number in .Xr
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
mac_seeotheruids_load="YES"
.Ed
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Sh DESCRIPTION
The
.Nm
policy module, when enabled, denies users to see processes or sockets owned
by other users.
.Pp
To enable
.Nm ,
set the sysctl OID
.Va security.mac.seeotheruids.enabled
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to 1.
Document recently added security.mac.seeotheruids.suser_privileged sysctl.
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To permit superuser awareness of other credentials by virtue of privilege,
set the sysctl OID
.Va security.mac.seeotheruids.suser_privileged
to 1.
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Pp
To allow users to see processes and sockets owned by the same primary group,
set the sysctl OID
.Va security.mac.seeotheruids.primarygroup_enabled
Assorted mdoc(7) fixes.
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to 1.
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Pp
To allow processes with a specific group ID to be exempt from the policy,
set the sysctl OID
.Va security.mac.seeotheruids.specificgid_enabled
Assorted mdoc(7) fixes.
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to 1, and
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Va security.mac.seeotheruids.specificgid
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to the group ID to be exempted.
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Ss Label Format
No labels are defined for
.Nm .
.Sh SEE ALSO
Update cross-references to include mac(4). Sponsored by: DARPA, Network Associates Laboratories
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.Xr mac 4 ,
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Xr mac_biba 4 ,
.Xr mac_bsdextended 4 ,
Document the following MAC policies: o ifoff: Interface silencing policy o partition: Process partitioning policy Add associated Makefile entries and man page cross-references. Obtained from: TrustedBSD Project Sponsored by: DARPA, Network Associates Labs Approved by: re (blanket)
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.Xr mac_ifoff 4 ,
Cross-reference mac_lomac.4 Sponsored by: DARPA, Network Associates Laboratories
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.Xr mac_lomac 4 ,
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Xr mac_mls 4 ,
Assorted mdoc(7) fixes.
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.Xr mac_none 4 ,
Document the following MAC policies: o ifoff: Interface silencing policy o partition: Process partitioning policy Add associated Makefile entries and man page cross-references. Obtained from: TrustedBSD Project Sponsored by: DARPA, Network Associates Labs Approved by: re (blanket)
2002-12-11 01:02:26 +00:00
.Xr mac_partition 4 ,
Document the new mac_portacl(4) policy. Sponsored by: DARPA, Network Associates Laboratories Obtained from: TrustedBSD Project
2003-03-31 08:08:59 +00:00
.Xr mac_portacl 4 ,
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Xr mac_test 4 ,
.Xr mac 9
.Sh HISTORY
The
.Nm
policy module first appeared in
.Fx 5.0
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and was developed by the
.Tn TrustedBSD
Project.
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Sh AUTHORS
This software was contributed to the
.Fx
Project by Network Associates Labs,
the Security Research Division of Network Associates
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Inc.
under DARPA/SPAWAR contract N66001-01-C-8035
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.Pq Dq CBOSS ,
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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as part of the DARPA CHATS research program.
.Sh BUGS
See
.Xr mac 9
concerning appropriateness for production use.
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The
.Tn TrustedBSD
MAC Framework is considered experimental in
Document the following MAC policies: o None: Stub policy o Seeotheruids: The "see processes and sockets owned by other users" policy o Test: Debugging policy Standardize the SYNOPSIS and HISTORY sections. Update SEE ALSO sections.
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.Fx .
.Pp
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.
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