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setrans.conf(5) setrans.conf documentation setrans.conf(5)
setrans.conf - translation configuration file for MCS/MLS SELinux
systems
The /etc/selinux/{SELINUXTYPE}/setrans.conf configuration file
specifies the way that SELinux MCS/MLS labels are translated into
human readable form by the mcstransd daemon. The default
policies support 16 sensitivity levels (s0 through s15) and 1024
categories (c0 through c1023). Multiple categories can be
separated with commas (c0,c1,c3,c5) and a range of categories can
be shortened using dot notation (c0.c3,c5).
Keywords
Base once a base is declared, subsequent sensitivity label
definitions will have all modifiers applied to them during
translation. Sensitivity labels defined before the base
declaration are immediately cached and no modifiers will
be applied these are used as direct translations.
Default
defines the category bit range that will be used for
inverse bits.
Domain creates a new domain with the supplied name.
Include
read and process the contents of the specified
configuration file.
Join defines a character used to separate members of a modifier
group when more than one is specified (ex. USA/AUS).
ModifierGroup
a means of grouping category bit definitions by how they
modify the sensitivity label.
Prefix word(s) that may proceed member(s) of a modifier group
(ex. REL USA).
Suffix word(s) that may follow member(s) of a modifier group (ex.
USA EYES ONLY).
Whitespace
defines the set of acceptable white space characters that
may be used in label being translated.
Sensitivity Level Definition Examples
s0=SystemLow
defines a translation of s0 (the lowest sensitivity level)
with no categories to SystemLow.
s15:c0.c1023=SystemHigh
defines a translation of s15:c0.c1023 to SystemHigh.
c0.c1023 is shorthand for all categories. A colon
separates the sensitivity level and categories.
s0-s15:c0.c1023=SystemLow-SystemHigh
defines a range translation of s0-s15:c0.c1023 to
SystemLow-SystemHigh. The two range components are
separated by a dash.
s0:c0=PatientRecord
defines a translation of sensitivity s0 with category c0
to PatientRecord.
s0:c1=Accounting
defines a translation of sensitivity s0 with category c1
to Accounting.
s2:c1,c2,c3=Confidential3Categories
s2:c1.c3=Confidential3Categories
both define a translation of sensitivity s2 with
categories c1, c2 and c3 to Confidential3Categories.
s5=TopSecret
defines a translation of sensitivity s5 with no categories
to TopSecret.
Constraint Examples
c0!c1 if category bits 0 and 1 are both set, the constraint will
fail and the original context will be returned.
c5.c9>c1
if category bits 5 through 9 are set, bit 1 must also be
set or the constraint will fail and the original context
will be returned.
s1!c5,c9
if category bits 5 and 9 are set and the sensitivity level
is s1, the constraint will fail and the original context
will be returned.
Written by Joe Nall <joe@nall.com>.
Updated by Ted X. Toth <txtoth@gmail.com>.
selinux(8), mcs(8), mls(8), chcon(1)
/etc/selinux/{SELINUXTYPE}/setrans.conf
/usr/share/mcstrans/examples
This page is part of the selinux (Security-Enhanced Linux user-
space libraries and tools) project. Information about the
project can be found at
⟨https://github.com/SELinuxProject/selinux/wiki⟩. If you have a
bug report for this manual page, see
⟨https://github.com/SELinuxProject/selinux/wiki/Contributing⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/SELinuxProject/selinux⟩ on 2024-06-14. (At
that time, the date of the most recent commit that was found in
the repository was 2023-05-11.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
txtoth@gmail.com 13 July 2010 setrans.conf(5)
Pages that refer to this page: mcstransd(8)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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