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FTPASSWD(8)                    Debian GNU/Linux                    FTPASSWD(8)

NAME
       ftpasswd - manipulates ProFTPD authentication files

SYNOPSIS
       ftpasswd --help|-h|--version

       ftpasswd --hash  [ --des|--md5 ] [ --stdin ] [ --use-cracklib[=path] ]

       ftpasswd --passwd [ -F|--force ] [ --file=filename ] [--gecos=string ]
               [ --gid=gid ] [ --des | --md5 ] [ --not-system-password ]
               [ --stdin ] [ --use-cracklib[=path] ] --home=path

       ftpasswd --group [ -F|--force ] [ --enable-group-passwd ]
               [ --file=filename ] [ -m|--member ] [ --des|--md5 ]
               [ --stdin ] [ --use-cracklib[=path] ] --gid=gid

       ftpasswd --passwd --change-password --name=username

DESCRIPTION
       ftpasswd  is a Perl script which can be used to manipulate the password
       and group files suitable for use with ProFTPD  AuthUserFile  and  Auth-
       GroupFile  configuration  directives.   The idea is somewhat similar to
       Apache's htpasswd program.

       Required options are  --passwd,  --group,  or  --hash.   These  specify
       whether  ftpasswd  is  to  operate  on  a  passwd(5)  format file, on a
       group(5) format file, or simply to generate a  password  hash,  respec-
       tively.

       If used with --passwd, ftpasswd creates a file in the passwd(5) format,
       suitable for use with proftpd's AuthUserFile  configuration  directive.
       You will be prompted for the password to use of the user, which will be
       encrypted, and written out as the encrypted string.  By default,  using
       --passwd will write output to "./ftpd.passwd",

       If  used with --hash, ftpasswd generates a hash of a password, as would
       appear in an AuthUserFile.  The hash is written to standard out.   This
       hash is suitable for use with proftpd's UserPassword directive.

       If  used  with --group, ftpasswd creates a file in the group(5) format,
       suitable for use with proftpd's AuthGroupFile configuration  directive.
       By default, using --group will write output to "./ftpd.group".

OPTIONS
       -F, --force
              If  the password or group file be used already exists, delete it
              and write a new one.

       --file=filename
              Write output to specified file (password or group files), rather
              than default one.

       --gecos=string
              Descriptive  string  for the given user (usually the user's full
              name).

       --gid=gid
              Set primary group ID for this user (optional,  will  default  to
              given --uid value if absent) when  --passwd is specified.

       --uid=uid
              numerical group ID.

       -h, --help, --version
              Show usage and version of the program.

       --home=path
              Set the home directory for the user (required).

       --des, --md5
              Use the DES or MD5 algorithm for encrypting passwords.  The lat-
              ter is the default.

       --name=username, --name=groupname
              Name of the user account or group (required).  If the name  does
              not exist in the specified output-file, an entry will be created
              for it. Otherwise, the given fields will be updated.

       --shell=path
              Shell for the user (required).  Recommended: /bin/false

       --change-password
              Update only the password field for a user.  This option requires
              that  the  --name option be used, but no others.  This also dou-
              ble-checks the given password against the user's  current  pass-
              word  in the existing passwd file, and requests that a new pass-
              word be given if the entered password is the same as the current
              password.

       --not-system-password
              Double-checks the given password against the system password for
              the user, and requests that a  new  password  be  given  if  the
              entered password is the same as the system password.  This helps
              to enforce different passwords for different types of access.

       --stdin
              Read the password directly from standard in rather than  prompt-
              ing  for  it.   This is useful for writing scripts that automate
              use of ftpasswd.

       --use-cracklib[=path]
              Causes ftpasswd to use Alec Muffet's cracklib routines in  order
              to  determine and prevent the use of bad or weak passwords.  The
              optional path to this option specifies the path to  the  dictio-
              nary  files  to  use  -- default path is /usr/lib/cracklib_dict.
              This requires the Perl Crypt::Cracklib module to be installed on
              your system.

       --enable-group-passwd
              Prompt  for  a  group password.  This is disabled by default, as
              group passwords are not usually a good idea at all.

       -m username, --member=username
              user to be a member of the group.  This  argument  may  be  used
              This  argument  may  be  used multiple times to specify the full
              list of users to be members of this group.

BUGS
       No known bugs at this time.  If you discover any bugs,  please  contact
       the author.

AUTHOR
       This  program  has  been written by TJ Saunders <tj@castaglia.org> as a
       contributed software for ProFTPD.

SEE ALSO
       proftpd(8),    passwd(5),    group(5),    ftpusers(8),     ftpstats(8),
       proftpd.conf(5)

CREDITS
       This   manual   page   was   written   by   Francesco  Paolo  Lovergine
       <frankie@debian.org> for the Debian GNU/Linux system (but may  be  used
       by others).

1.1.2                          October 19, 2002                    FTPASSWD(8)

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