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check-selinux-installation(8) [debian man page]

CHECK-SELINUX-INSTALLATION(8)				      System Manager's Manual				     CHECK-SELINUX-INSTALLATION(8)

NAME
check-selinux-installation -- perform configuration checks in SELinux installation SYNOPSIS
check-selinux-installation DESCRIPTION
check-selinux-installation this command will run scripts to pull in some standard SELinux stuff via dependencies. SEE ALSO
selinux (8), sestatus(8), selinuxenabled (1), postfix-nochroot(8), selinux-config-enforcing(8), selinux-policy-upgrade(8), http://wiki.debian.org/SELinux - More about SELinux Debian install AUTHOR
This manual page was written by Ulisses Castro <uss.thebug@gmail.com> for the Debian system (but may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version pub- lished by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. CHECK-SELINUX-INSTALLATION(8)

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selinux_config(5)					    SELinux configuration file						 selinux_config(5)

NAME
config - The SELinux sub-system configuration file. DESCRIPTION
The SELinux config file controls the state of SELinux regarding: 1. The policy enforcement status - enforcing, permissive or disabled. 2. The policy name or type that forms a path to the policy to be loaded and its supporting configuration files. 3. How local users and booleans will be managed when the policy is loaded (note that this function was used by older releases of SELinux and is now deprecated). 4. How SELinux-aware login applications should behave if no valid SELinux users are configured. 5. Whether the system is to be relabeled or not. The entries controlling these functions are described in the FILE FORMAT section. The fully qualified path name of the SELinux configuration file is /etc/selinux/config. If the config file is missing or corrupt, then no SELinux policy is loaded (i.e. SELinux is disabled). The sestatus (8) command and the libselinux function selinux_path (3) will return the location of the config file. FILE FORMAT
The config file supports the following parameters: SELINUX = enforcing | permissive | disabled SELINUXTYPE = policy_name SETLOCALDEFS = 0 | 1 REQUIREUSERS = 0 | 1 AUTORELABEL = 0 | 1 Where: SELINUX This entry can contain one of three values: enforcing SELinux security policy is enforced. permissive SELinux security policy is not enforced but logs the warnings (i.e. the action is allowed to proceed). disabled SELinux is disabled and no policy is loaded. The entry can be determined using the sestatus(8) command or selinux_getenforcemode(3). SELINUXTYPE The policy_name entry is used to identify the policy type, and becomes the directory name of where the policy and its configuration files are located. The entry can be determined using the sestatus(8) command or selinux_getpolicytype(3). The policy_name is relative to a path that is defined within the SELinux subsystem that can be retrieved by using selinux_path(3). An example entry retrieved by selinux_path(3) is: /etc/selinux/ The policy_name is then appended to this and becomes the 'policy root' location that can be retrieved by selinux_pol- icy_root_path(3). An example entry retrieved is: /etc/selinux/targeted The actual binary policy is located relative to this directory and also has a policy name pre-allocated. This information can be retrieved using selinux_binary_policy_path(3). An example entry retrieved by selinux_binary_policy_path(3) is: /etc/selinux/targeted/policy/policy The binary policy name has by convention the SELinux policy version that it supports appended to it. The maximum policy version sup- ported by the kernel can be determined using the sestatus(8) command or security_policyvers(3). An example binary policy file with the version is: /etc/selinux/targeted/policy/policy.24 SETLOCALDEFS This entry is deprecated and should be removed or set to 0. If set to 1, then selinux_mkload_policy(3) will read the local customization for booleans (see booleans(5)) and users (see local.users(5)). REQUIRESEUSERS This optional entry can be used to fail a login if there is no matching or default entry in the seusers(5) file or if the seusers file is missing. It is checked by getseuserbyname(3) that is called by SELinux-aware login applications such as PAM(8). If set to 0 or the entry missing: getseuserbyname(3) will return the GNU / Linux user name as the SELinux user. If set to 1: getseuserbyname(3) will fail. The getseuserbyname(3) man page should be consulted for its use. The format of the seusers file is shown in seusers(5). AUTORELABEL This is an optional entry that allows the file system to be relabeled. If set to 0 and there is a file called .autorelabel in the root directory, then on a reboot, the loader will drop to a shell where a root login is required. An administrator can then manually relabel the file system. If set to 1 or no entry present (the default) and there is a .autorelabel file in the root directory, then the file system will be automatically relabeled using fixfiles -F restore In both cases the /.autorelabel file will be removed so that relabeling is not done again. EXAMPLE
This example config file shows the minimum contents for a system to run SELinux in enforcing mode, with a policy_name of 'targeted': SELINUX = enforcing SELINUXTYPE = targeted SEE ALSO
selinux(8), sestatus(8), selinux_path(3), selinux_policy_root_path(3), selinux_binary_policy_path(3), getseuserbyname(3), PAM(8), fix- files(8), selinux_mkload_policy(3), selinux_getpolicytype(3), security_policyvers(3), selinux_getenforcemode(3), seusers(5), booleans(5), local.users(5) Security Enhanced Linux 18 Nov 2011 selinux_config(5)
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