semanage_selinux(8) - Linux man page

Name

semanage_selinux - Security Enhanced Linux Policy for the semanage processes

Description

Security-Enhanced Linux secures the semanage processes via flexible mandatory access control.

The semanage processes execute with the semanage_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier.

For example:

ps -eZ | grep semanage_t

Entrypoints

The semanage_t SELinux type can be entered via the "semanage_exec_t" file type. The default entrypoint paths for the semanage_t domain are the following:"

/usr/sbin/semanage, /usr/sbin/semodule, /usr/share/system-config-selinux/system-config-selinux-dbus.py

Process Types

SELinux defines process types (domains) for each process running on the system

You can see the context of a process using the -Z option to ps

Policy governs the access confined processes have to files. SELinux semanage policy is very flexible allowing users to setup their semanage processes in as secure a method as possible.

The following process types are defined for semanage:

semanage_t

Note: semanage permissive -a semanage_t

can be used to make the process type semanage_t permissive. Permissive process types are not denied access by SELinux. AVC messages will still be generated.

File Contexts

SELinux requires files to have an extended attribute to define the file type.

You can see the context of a file using the -Z option to ls

Policy governs the access confined processes have to these files. SELinux semanage policy is very flexible allowing users to setup their semanage processes in as secure a method as possible.

The following file types are defined for semanage:

semanage_exec_t

- Set files with the semanage_exec_t type, if you want to transition an executable to the semanage_t domain.

semanage_read_lock_t

- Set files with the semanage_read_lock_t type, if you want to treat the files as semanage read lock data, stored under the /var/lock directory

semanage_store_t

- Set files with the semanage_store_t type, if you want to treat the files as semanage store data.

semanage_tmp_t

- Set files with the semanage_tmp_t type, if you want to store semanage temporary files in the /tmp directories.

semanage_trans_lock_t

- Set files with the semanage_trans_lock_t type, if you want to treat the files as semanage trans lock data, stored under the /var/lock directory

Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels.

Managed Files

The SELinux process type semanage_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.

boolean_type

default_context_t

/etc/selinux/([^/]*/)?contexts(/.*)?

/root/.default_contexts

file_context_t

/etc/selinux/([^/]*/)?contexts/files(/.*)?

initrc_tmp_t
mnt_t

/mnt(/[^/]*)

/mnt(/[^/]*)?

/rhev(/[^/]*)?

/media(/[^/]*)

/media(/[^/]*)?

/etc/rhgb(/.*)?

/media/.hal-.*

/net

/afs

/misc

/rhev

root_t

/initrd

selinux_config_t

/etc/selinux(/.*)?

/etc/selinux/([^/]*/)?seusers

/etc/selinux/([^/]*/)?users(/.*)?

/etc/selinux/([^/]*/)?setrans.conf

selinux_var_lib_t

/var/lib/selinux(/.*)?

semanage_read_lock_t

/etc/selinux/([^/]*/)?modules/semanage.read.LOCK

semanage_store_t

/etc/selinux/([^/]*/)?policy(/.*)?

/etc/selinux/([^/]*/)?modules/(active|tmp|previous)(/.*)?

/etc/share/selinux/mls(/.*)?

/etc/share/selinux/targeted(/.*)?

semanage_tmp_t
semanage_trans_lock_t

/etc/selinux/([^/]*/)?modules/semanage.trans.LOCK

tmp_t

/tmp

/usr/tmp

/var/tmp

/var/tmp/vi.recover

Commands

semanage fcontext can also be used to manipulate default file context mappings.

semanage permissive can also be used to manipulate whether or not a process type is permissive.

semanage module can also be used to enable/disable/install/remove policy modules.

system-config-selinux is a GUI tool available to customize SELinux policy settings.

Author

This manual page was auto-generated using sepolicy manpage by mgrepl.