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NTFS-3G.SECAUDIT(8)							      NTFS-3G.SECAUDIT(8)

NAME
       ntfs-3g.secaudit - NTFS Security Data Auditing

SYNOPSIS
       ntfs-3g.secaudit [options] args

       Where options is a combination of :
	      -a full auditing of security data (Linux only)
	      -b backup ACLs
	      -e setting extra backed-up parameters (in conjunction with -s)
	      -h displaying hexadecimal security descriptors saved in a file
	      -r recursing in a directory
	      -s setting backed-up ACLs
	      -v verbose (very verbose if set twice)

       and args define the parameters and the set of files acted upon.

       Typing secaudit with no args will display a summary of available options.

DESCRIPTION
       ntfs-3g.secaudit  displays the ownership and permissions of a set of files on an NTFS file
       system, and checks their consistency. It can be started in terminal mode only (no  graphi-
       cal user interface is available.)

       When  a	volume	is  required, it has to be unmounted, and the command has to be issued as
       root. The volume can be either a block device (i.e. a disk partition) or an image file.

       When acting on a directory or volume, the command may produce a lot of information. It  is
       therefore advisable to redirect the output to a file or pipe it to a text editor for exam-
       ination.

OPTIONS
       Below are the valid combinations of options and arguments that  ntfs-3g.secaudit  accepts.
       All  the indicated arguments are mandatory and must be unique (if wildcards are used, they
       must resolve to a single name.)

       -h file
	      Displays in an human readable form the hexadecimal security  descriptors	saved  in
	      file. This can be used to turn a verbose output into a very verbose output.

       -a[rv] volume
	      Audits  the  volume : all the global security data on volume are scanned and errors
	      are displayed. If option -r is present, all files and directories are also  scanned
	      and  their relations to global security data are checked. This can produce a lot of
	      data.

	      This option is not effective on volumes formatted for old NTFS versions  (pre  NTFS
	      3.0). Such volumes have no global security data.

	      When errors are signalled, it is advisable to repair the volume with an appropriate
	      tool (such as chkdsk on Windows.)

       [-v] volume file
	      Displays the security parameters of file : its interpreted Linux mode (rwx flags in
	      octal)  and  Posix  ACL[1], its security key if any, and its security descriptor if
	      verbose output.

       -r[v] volume directory
	      displays the security parameters of all files and  subdirectories  in  directory	:
	      their  interpreted Linux mode (rwx flags in octal) and Posix ACL[1], their security
	      key if any, and their security descriptor if verbose output.

       -b[v] volume [directory]
	      Recursively extracts to standard output the NTFS ACLs of files in volume and direc-
	      tory.

       -s[ev] volume [backup-file]
	      Sets  the  NTFS  ACLS as indicated in backup-file or standard input. The input data
	      must have been created on Linux. With option -e, also sets extra	parameters  (cur-
	      rently Windows attrib).

       volume perms file
	      Sets  the  security  parameters of file to perms. Perms is the Linux requested mode
	      (rwx flags, expressed in octal form as in chmod) or a Posix ACL[1] (expressed  like
	      in setfacl -m). This sets a new ACL which is effective for Linux and Windows.

       -r[v] volume perms directory
	      Sets the security parameters of all files and subdirectories in directory to perms.
	      Perms is the Linux requested mode (rwx flags, expressed in octal form as in chmod),
	      or  a  Posix  ACL[1]  (expressed	like in setfacl -m.) This sets new ACLs which are
	      effective for Linux and Windows.

       [-v] mounted-file
	      Displays the security parameters of mounted-file : its interpreted Linux mode  (rwx
	      flags  in  octal)  and  Posix  ACL[1],  its  security  key if any, and its security
	      descriptor if verbose output. This is a special case which acts on a  mounted  file
	      (or  directory)  and  does not require being root. The Posix ACL interpretation can
	      only be displayed if the full path to mounted-file from the root of the global file
	      tree is provided.

NOTE
       [1]  provided the POSIX ACL option was selected at compile time. A Posix ACL specification
       looks like "[d:]{ugmo}:[id]:[perms],..." where id is a numeric user or group id, and perms
       an octal digit or a set from the letters r, w and x.
	      Example : "u::7,g::5,o:0,u:510:rwx,g:500:5,d:u:510:7"

EXAMPLES
       Audit the global security data on /dev/sda1

	      ntfs-3g.secaudit -ar /dev/sda1

       Display	the  ownership	and permissions parameters for files in directory /audio/music on
       device /dev/sda5, excluding sub-directories :

	      ntfs-3g.secaudit /dev/sda5 /audio/music

       Set all files in directory /audio/music on device /dev/sda5  as	writeable  by  owner  and
       read-only for everybody :

	      ntfs-3g.secaudit -r /dev/sda5 644 /audio/music

EXIT CODES
       ntfs-3g.secaudit exits with a value of 0 when no error was detected, and with a value of 1
       when an error was detected.

KNOWN ISSUES
       Please see

	      http://www.tuxera.com/community/ntfs-3g-faq/

       for common questions and known issues.  If you would find a new one in the latest  release
       of  the	software  then	please send an email describing it in detail. You can contact the
       development team on the ntfs-3g-devel@lists.sf.net address.

AUTHORS
       ntfs-3g.secaudit has been developed by Jean-Pierre Andre.

THANKS
       Several people made heroic efforts, often over five  or	more  years  which  resulted  the
       ntfs-3g	driver.  Most  importantly  they are Anton Altaparmakov, Richard Russon, Szabolcs
       Szakacsits, Yura Pakhuchiy, Yuval Fledel,  and  the  author  of	the  groundbreaking  FUSE
       filesystem development framework, Miklos Szeredi.

SEE ALSO
       ntfsprogs(8), attr(5), getfattr(1)

ntfs-3g.secaudit 1.3.8			  February 2010 		      NTFS-3G.SECAUDIT(8)
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