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


       booleans - Policy booleans enable runtime customization of SELinux pol-


       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

       The policy defines a default value for each boolean,  typically  false.
       These  default  values can be overridden at boot-time based on the set-
       tings in the /etc/selinux/SELINUXTYPE/booleans file, where  SELINUXTYPE
       is  the  type of policy currently being run on the system as defined in
       the /etc/selinux/config  file.   The  system-config-securitylevel  tool
       provides  an  interface  for  altering  the settings in this file.  The
       load_policy(8) program will preserve current boolean  settings  upon  a
       policy reload by default, or can optionally 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.  These utilities only  change  the
       current boolean value and do not affect the boot-time settings.


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


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


       /etc/selinux/SELINUXTYPE/booleans, /etc/selinux/config                 11 Aug 2004                      booleans(8)

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