core125: Ship JSON-C

[people/pmueller/ipfire-2.x.git] / config / shadow / login.defs

#
# /etc/login.defs - Configuration control definitions for the shadow package.
#
#       $Id$
#

#
# Delay in seconds before being allowed another attempt after a login failure
# Note: When PAM is used, some modules may enforce a minimum delay (e.g.
#       pam_unix(8) enforces a 2s delay)
#
FAIL_DELAY              3

#
# Enable logging and display of /var/log/faillog login(1) failure info.
#
FAILLOG_ENAB            yes

#
# Enable display of unknown usernames when login(1) failures are recorded.
#
LOG_UNKFAIL_ENAB        no

#
# Enable logging of successful logins
#
LOG_OK_LOGINS           no

#
# Enable logging and display of /var/log/lastlog login(1) time info.
#
LASTLOG_ENAB            yes

#
# Enable checking and display of mailbox status upon login.
#
# Disable if the shell startup files already check for mail
# ("mailx -e" or equivalent).
#
MAIL_CHECK_ENAB         yes

#
# Enable additional checks upon password changes.
#
OBSCURE_CHECKS_ENAB     yes

#
# Enable checking of time restrictions specified in /etc/porttime.
#
PORTTIME_CHECKS_ENAB    yes

#
# Enable setting of ulimit, umask, and niceness from passwd(5) gecos field.
#
QUOTAS_ENAB             yes

#
# Enable "syslog" logging of su(1) activity - in addition to sulog file logging.
# SYSLOG_SG_ENAB does the same for newgrp(1) and sg(1).
#
SYSLOG_SU_ENAB          yes
SYSLOG_SG_ENAB          yes

#
# If defined, either full pathname of a file containing device names or
# a ":" delimited list of device names.  Root logins will be allowed only
# from these devices.
#
CONSOLE         /etc/securetty

#
# If defined, all su(1) activity is logged to this file.
#
#SULOG_FILE     /var/log/sulog

#
# If defined, ":" delimited list of "message of the day" files to
# be displayed upon login.
#
MOTD_FILE       /etc/motd

#
# If defined, login(1) failures will be logged here in a utmp format.
# last(1), when invoked as lastb(1), will read /var/log/btmp, so...
#
FTMP_FILE       /var/log/btmp

#
# If defined, name of file whose presence will inhibit non-root
# logins.  The content of this file should be a message indicating
# why logins are inhibited.
#
NOLOGINS_FILE   /etc/nologin

#
# If defined, the command name to display when running "su -".  For
# example, if this is defined as "su" then ps(1) will display the
# command as "-su".  If not defined, then ps(1) will display the
# name of the shell actually being run, e.g. something like "-sh".
#
SU_NAME         su

#
# *REQUIRED*
#   Directory where mailboxes reside, _or_ name of file, relative to the
#   home directory.  If you _do_ define both, MAIL_DIR takes precedence.
#
MAIL_DIR        /var/mail

#
# *REQUIRED*  The default PATH settings, for superuser and normal users.
#
# (they are minimal, add the rest in the shell startup files)
ENV_SUPATH      PATH=/sbin:/bin:/usr/sbin:/usr/bin
ENV_PATH        PATH=/bin:/usr/bin

#
# Terminal permissions
#
#       TTYGROUP        Login tty will be assigned this group ownership.
#       TTYPERM         Login tty will be set to this permission.
#
# If you have a write(1) program which is "setgid" to a special group
# which owns the terminals, define TTYGROUP as the number of such group
# and TTYPERM as 0620.  Otherwise leave TTYGROUP commented out and
# set TTYPERM to either 622 or 600.
#
TTYGROUP        tty
TTYPERM         0600

#
# Login configuration initializations:
#
#       ERASECHAR       Terminal ERASE character ('\010' = backspace).
#       KILLCHAR        Terminal KILL character ('\025' = CTRL/U).
#       ULIMIT          Default "ulimit" value.
#
# The ERASECHAR and KILLCHAR are used only on System V machines.
# The ULIMIT is used only if the system supports it.
# (now it works with setrlimit too; ulimit is in 512-byte units)
#
# Prefix these values with "0" to get octal, "0x" to get hexadecimal.
#
ERASECHAR       0177
KILLCHAR        025
#ULIMIT         2097152

# Default initial "umask" value used by login(1) on non-PAM enabled systems.
# Default "umask" value for pam_umask(8) on PAM enabled systems.
# UMASK is also used by useradd(8) and newusers(8) to set the mode for new
# home directories.
# 022 is the default value, but 027, or even 077, could be considered
# for increased privacy. There is no One True Answer here: each sysadmin
# must make up his/her mind.
UMASK           022

#
# Password aging controls:
#
#       PASS_MAX_DAYS   Maximum number of days a password may be used.
#       PASS_MIN_DAYS   Minimum number of days allowed between password changes.
#       PASS_MIN_LEN    Minimum acceptable password length.
#       PASS_WARN_AGE   Number of days warning given before a password expires.
#
PASS_MAX_DAYS   99999
PASS_MIN_DAYS   0
PASS_MIN_LEN    5
PASS_WARN_AGE   7

#
# If "yes", the user must be listed as a member of the first gid 0 group
# in /etc/group (called "root" on most Linux systems) to be able to "su"
# to uid 0 accounts.  If the group doesn't exist or is empty, no one
# will be able to "su" to uid 0.
#
SU_WHEEL_ONLY   no

#
# If compiled with cracklib support, sets the path to the dictionaries
#
CRACKLIB_DICTPATH       /var/cache/cracklib/cracklib_dict

#
# Min/max values for automatic uid selection in useradd(8)
#
UID_MIN                  1000
UID_MAX                 60000
# System accounts
SYS_UID_MIN               101
SYS_UID_MAX               999
# Extra per user uids
SUB_UID_MIN                100000
SUB_UID_MAX             600100000
SUB_UID_COUNT               65536

#
# Min/max values for automatic gid selection in groupadd(8)
#
GID_MIN                  1000
GID_MAX                 60000
# System accounts
SYS_GID_MIN               101
SYS_GID_MAX               999
# Extra per user group ids
SUB_GID_MIN                100000
SUB_GID_MAX             600100000
SUB_GID_COUNT               65536

#
# Max number of login(1) retries if password is bad
#
LOGIN_RETRIES           5

#
# Max time in seconds for login(1)
#
LOGIN_TIMEOUT           60

#
# Maximum number of attempts to change password if rejected (too easy)
#
PASS_CHANGE_TRIES       5

#
# Warn about weak passwords (but still allow them) if you are root.
#
PASS_ALWAYS_WARN        yes

#
# Require password before chfn(1)/chsh(1) can make any changes.
#
CHFN_AUTH               yes

#
# Which fields may be changed by regular users using chfn(1) - use
# any combination of letters "frwh" (full name, room number, work
# phone, home phone).  If not defined, no changes are allowed.
# For backward compatibility, "yes" = "rwh" and "no" = "frwh".
# 
CHFN_RESTRICT           rwh

#
# Password prompt (%s will be replaced by user name).
#
# XXX - it doesn't work correctly yet, for now leave it commented out
# to use the default which is just "Password: ".
#LOGIN_STRING           "%s's Password: "

#
# Only works if compiled with ENCRYPTMETHOD_SELECT defined:
# If set to MD5, MD5-based algorithm will be used for encrypting password
# If set to SHA256, SHA256-based algorithm will be used for encrypting password
# If set to SHA512, SHA512-based algorithm will be used for encrypting password
# If set to DES, DES-based algorithm will be used for encrypting password (default)
# Overrides the MD5_CRYPT_ENAB option
#
# Note: If you use PAM, it is recommended to use a value consistent with
# the PAM modules configuration.
#
ENCRYPT_METHOD SHA512

#
# Only works if ENCRYPT_METHOD is set to SHA256 or SHA512.
#
# Define the number of SHA rounds.
# With a lot of rounds, it is more difficult to brute-force the password.
# However, more CPU resources will be needed to authenticate users if
# this value is increased.
#
# If not specified, the libc will choose the default number of rounds (5000).
# The values must be within the 1000-999999999 range.
# If only one of the MIN or MAX values is set, then this value will be used.
# If MIN > MAX, the highest value will be used.
#
# SHA_CRYPT_MIN_ROUNDS 5000
# SHA_CRYPT_MAX_ROUNDS 5000

#
# Should login be allowed if we can't cd to the home directory?
# Default is no.
#
DEFAULT_HOME    yes

#
# If this file exists and is readable, login environment will be
# read from it.  Every line should be in the form name=value.
#
ENVIRON_FILE    /etc/environment

#
# Enable setting of the umask group bits to be the same as owner bits
# (examples: 022 -> 002, 077 -> 007) for non-root users, if the uid is
# the same as gid, and username is the same as the primary group name.
#
# This also enables userdel(8) to remove user groups if no members exist.
#
USERGROUPS_ENAB yes

#
# If set to a non-zero number, the shadow utilities will make sure that
# groups never have more than this number of users on one line.
# This permits to support split groups (groups split into multiple lines,
# with the same group ID, to avoid limitation of the line length in the
# group file).
#
# 0 is the default value and disables this feature.
#
#MAX_MEMBERS_PER_GROUP  0

#
# If useradd(8) should create home directories for users by default (non
# system users only).
# This option is overridden with the -M or -m flags on the useradd(8)
# command-line.
#
#CREATE_HOME     yes