chroot_user_selinux man page on Oracle

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chroot_user_selinux(8)	  SELinux Policy chroot_user	chroot_user_selinux(8)

NAME
       chroot_user_selinux   -	 Security   Enhanced   Linux  Policy  for  the
       chroot_user processes

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

       The  chroot_user processes execute with the chroot_user_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 chroot_user_t

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
       chroot_user  policy  is	very  flexible	allowing  users to setup their
       chroot_user processes in as secure a method as possible.

       The following process types are defined for chroot_user:

       chroot_user_t

       Note: semanage permissive -a chroot_user_t can  be  used	 to  make  the
       process	type chroot_user_t permissive. SELinux does not deny access to
       permissive process types, but the AVC (SELinux  denials)	 messages  are
       still generated.

BOOLEANS
       SELinux	 policy	 is  customizable  based  on  least  access  required.
       chroot_user policy is extremely flexible and has several booleans  that
       allow  you to manipulate the policy and run chroot_user with the tight‐
       est access possible.

       If you want to deny any process from ptracing or	 debugging  any	 other
       processes,  you	must  turn  on	the  deny_ptrace  boolean.  Enabled by
       default.

       setsebool -P deny_ptrace 1

       If you want to allow all domains to use other domains file descriptors,
       you must turn on the domain_fd_use boolean. Enabled by default.

       setsebool -P domain_fd_use 1

       If  you	want to allow all domains to have the kernel load modules, you
       must  turn  on  the  domain_kernel_load_modules	boolean.  Disabled  by
       default.

       setsebool -P domain_kernel_load_modules 1

       If you want to allow all domains to execute in fips_mode, you must turn
       on the fips_mode boolean. Enabled by default.

       setsebool -P fips_mode 1

       If you want to enable reading of urandom for all domains, you must turn
       on the global_ssp boolean. Disabled by default.

       setsebool -P global_ssp 1

       If you want to allow ssh with chroot env to read and write files in the
       user home directories, you  must	 turn  on  the	ssh_chroot_rw_homedirs
       boolean. Disabled by default.

       setsebool -P ssh_chroot_rw_homedirs 1

       If  you want to support ecryptfs home directories, you must turn on the
       use_ecryptfs_home_dirs boolean. Disabled by default.

       setsebool -P use_ecryptfs_home_dirs 1

       If you want to support fusefs home directories, you must	 turn  on  the
       use_fusefs_home_dirs boolean. Disabled by default.

       setsebool -P use_fusefs_home_dirs 1

       If  you	want  to  support  NFS	home directories, you must turn on the
       use_nfs_home_dirs boolean. Disabled by default.

       setsebool -P use_nfs_home_dirs 1

       If you want to support SAMBA home directories, you  must	 turn  on  the
       use_samba_home_dirs boolean. Disabled by default.

       setsebool -P use_samba_home_dirs 1

MANAGED FILES
       The  SELinux  process  type chroot_user_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 per‐
       missions.

       cifs_t

       ecryptfs_t

	    /home/[^/]*/.Private(/.*)?
	    /home/[^/]*/.ecryptfs(/.*)?

       fusefs_t

	    /var/run/[^/]*/gvfs

       nfs_t

       user_home_t

	    /home/[^/]*/.+

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  pol‐
       icy modules.

       semanage boolean can also be used to manipulate the booleans

       system-config-selinux is a GUI tool available to customize SELinux pol‐
       icy settings.

AUTHOR
       This manual page was auto-generated using sepolicy manpage .

SEE ALSO
       selinux(8),  chroot_user(8),  semanage(8),   restorecon(8),   chcon(1),
       sepolicy(8) , setsebool(8)

chroot_user			   14-05-08		chroot_user_selinux(8)
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