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booleans(8)           SELinux Command Line documentation           booleans(8)



NAME
       booleans - Policy booleans enable runtime customization of SELinux policy.


DESCRIPTION
       This manual page describes SELinux policy booleans.

       The  SELinux policy can include conditional rules that are enabled or disabled based on the current values of a
       set of policy booleans.  These policy booleans allow runtime modification of the security policy without having
       to load a new policy.

       For  example, the boolean httpd_enable_cgi allows the httpd daemon to run cgi scripts if it is enabled.  If the
       administrator does not want to allow execution of cgi scripts, he can simply disable this boolean value.

       The policy defines a default value for each boolean, typically false.  These default values can  be  overridden
       via  local  settings  created  via  the  setsebool(8)  utility,  using -P to make the setting persistent across
       reboots.  The system-config-securitylevel tool provides a graphical interface for altering the  settings.   The
       load_policy(8)  program  will preserve current boolean settings upon a policy reload by default, or can option-
       ally reset booleans to the boot-time defaults via the -b option.

       Boolean values can be listed by using the getsebool(8) utility and passing it the -a option.

       Boolean values can also be changed at runtime via the setsebool(8) utility or  the  togglesebool  utility.   By
       default,  these  utilities  only  change  the  current boolean value and do not affect the persistent settings,
       unless the -P option is used to setsebool.


AUTHOR
       This manual page was written by Dan Walsh <dwalshATredhat.com>.  The  SELinux  conditional  policy  support  was
       developed by Tresys Technology.


SEE ALSO
       getsebool(8), setsebool(8), selinux(8), togglesebool(8)



dwalshATredhat.com                 11 Aug 2004                      booleans(8)