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samba_selinux(8)      Samba Selinux Policy documentation      samba_selinux(8)

NAME
       samba_selinux - Security Enhanced Linux Policy for Samba

DESCRIPTION
       Security-Enhanced Linux secures the Samba server via flexible mandatory
       access control.

FILE_CONTEXTS
       SELinux requires files to have an extended attribute to define the file
       type.   Policy  governs the access daemons have to these files.	If you
       want to share files other than home directories, those  files  must  be
       labeled samba_share_t.  So if you created a special directory /var/eng,
       you would need to label the directory with the chcon tool.

       chcon -t samba_share_t /var/eng

       To make this change permanent (survive a	 relabel),  use	 the  semanage
       command to add the change to file context configuration:

       semanage fcontext -a -t samba_share_t "/var/eng(/.*)?"

       This  command  adds the following entry to /etc/selinux/POLICYTYPE/con‐
       texts/files/file_contexts.local:

       /var/eng(/.*)? system_u:object_r:samba_share_t

       Run the restorecon command to apply the changes:

       restorecon -R -v /var/eng/

SHARING FILES
       If you want to share files with multiple domains (Apache,  FTP,	rsync,
       Samba),	you can set a file context of public_content_t and public_con‐
       tent_rw_t.  These context allow any of the above domains	 to  read  the
       content.	  If  you want a particular domain to write to the public_con‐
       tent_rw_t   domain,   you   must	  set	the    appropriate    boolean.
       allow_DOMAIN_anon_write.	 So for samba you would execute:

       setsebool -P allow_smbd_anon_write=1

BOOLEANS
       SELinux	policy	is customizable based on least access required.	 So by
       default SElinux policy turns off SELinux sharing	 of  home  directories
       and the use of Samba shares from a remote machine as a home directory.

       If  you are setting up this machine as a Samba server and wish to share
       the home directories, you need to set the samba_enable_home_dirs	 bool‐
       ean.

	      setsebool -P samba_enable_home_dirs 1

       If  you	want  to use a remote Samba server for the home directories on
       this machine, you must set the use_samba_home_dirs boolean.

	      setsebool -P use_samba_home_dirs 1

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

AUTHOR
       This manual page was written by Dan Walsh <dwalsh@redhat.com>.

SEE ALSO
       selinux(8), samba(7), chcon(1), setsebool(8)

dwalsh@redhat.com		  17 Jan 2005		      samba_selinux(8)

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