--- /dev/null
+#
+# /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
+
+#
+# Limit the highest user ID number for which the lastlog entries should
+# be updated.
+#
+# No LASTLOG_UID_MAX means that there is no user ID limit for writing
+# lastlog entries.
+#
+#LASTLOG_UID_MAX
+
+#
+# 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
+#CONSOLE console:tty01:tty02:tty03:tty04
+
+#
+# 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
+#MOTD_FILE /etc/motd:/usr/lib/news/news-motd
+
+#
+# If defined, this file will be output before each login(1) prompt.
+#
+#ISSUE_FILE /etc/issue
+
+#
+# If defined, file which maps tty line to TERM environment parameter.
+# Each line of the file is in a format similar to "vt100 tty01".
+#
+#TTYTYPE_FILE /etc/ttytype
+
+#
+# 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/spool/mail
+#MAIL_FILE .mail
+
+#
+# If defined, file which inhibits all the usual chatter during the login
+# sequence. If a full pathname, then hushed mode will be enabled if the
+# user's name or shell are found in the file. If not a full pathname, then
+# hushed mode will be enabled if the file exists in the user's home directory.
+#
+HUSHLOGIN_FILE .hushlogin
+#HUSHLOGIN_FILE /etc/hushlogins
+
+#
+# If defined, either a TZ environment parameter spec or the
+# fully-rooted pathname of a file containing such a spec.
+#
+#ENV_TZ TZ=CST6CDT
+#ENV_TZ /etc/tzname
+
+#
+# If defined, an HZ environment parameter spec.
+#
+# for Linux/x86
+ENV_HZ HZ=100
+# For Linux/Alpha...
+#ENV_HZ HZ=1024
+
+#
+# *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 if HOME_MODE is not set.
+# 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 their mind.
+UMASK 022
+
+# HOME_MODE is used by useradd(8) and newusers(8) to set the mode for new
+# home directories.
+# If HOME_MODE is not set, the value of UMASK is used to create the mode.
+#HOME_MODE 0700
+
+#
+# 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
+
+#
+# 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
+
+#
+# Number of significant characters in the password for crypt().
+# Default is 8, don't change unless your crypt() is better.
+# Ignored if MD5_CRYPT_ENAB set to "yes".
+#
+#PASS_MAX_LEN 8
+
+#
+# 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 MD5_CRYPT defined:
+# If set to "yes", new passwords will be encrypted using the MD5-based
+# algorithm compatible with the one used by recent releases of FreeBSD.
+# It supports passwords of unlimited length and longer salt strings.
+# Set to "no" if you need to copy encrypted passwords to other systems
+# which don't understand the new algorithm. Default is "no".
+#
+# Note: If you use PAM, it is recommended to use a value consistent with
+# the PAM modules configuration.
+#
+# This variable is deprecated. You should use ENCRYPT_METHOD instead.
+#
+#MD5_CRYPT_ENAB no
+
+#
+# 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 BCRYPT, BCRYPT-based algorithm will be used for encrypting password
+# If set to YESCRYPT, YESCRYPT-based algorithm will be used for encrypting password
+# If set to DES, DES-based algorithm will be used for encrypting password (default)
+# MD5 and DES should not be used for new hashes, see crypt(5) for recommendations.
+# 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 DES
+
+#
+# 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),
+# which is orders of magnitude too low for modern hardware.
+# 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
+
+#
+# Only works if ENCRYPT_METHOD is set to BCRYPT.
+#
+# Define the number of BCRYPT 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, 13 rounds will be attempted.
+# 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.
+#
+#BCRYPT_MIN_ROUNDS 13
+#BCRYPT_MAX_ROUNDS 13
+
+#
+# Only works if ENCRYPT_METHOD is set to YESCRYPT.
+#
+# Define the YESCRYPT cost factor.
+# With a higher cost factor, it is more difficult to brute-force the password.
+# However, more CPU time and more memory will be needed to authenticate users
+# if this value is increased.
+#
+# If not specified, a cost factor of 5 will be used.
+# The value must be within the 1-11 range.
+#
+#YESCRYPT_COST_FACTOR 5
+
+#
+# List of groups to add to the user's supplementary group set
+# when logging in from the console (as determined by the CONSOLE
+# setting). Default is none.
+#
+# Use with caution - it is possible for users to gain permanent
+# access to these groups, even when not logged in from the console.
+# How to do it is left as an exercise for the reader...
+#
+#CONSOLE_GROUPS floppy:audio:cdrom
+
+#
+# Should login be allowed if we can't cd to the home directory?
+# Default is no.
+#
+DEFAULT_HOME yes
+
+#
+# The pwck(8) utility emits a warning for any system account with a home
+# directory that does not exist. Some system accounts intentionally do
+# not have a home directory. Such accounts may have this string as
+# their home directory in /etc/passwd to avoid a spurious warning.
+#
+NONEXISTENT /nonexistent
+
+#
+# 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
+
+#
+# If defined, this command is run when removing a user.
+# It should remove any at/cron/print jobs etc. owned by
+# the user to be removed (passed as the first argument).
+#
+#USERDEL_CMD /usr/sbin/userdel_local
+
+#
+# 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
+
+#
+# Force use shadow, even if shadow passwd & shadow group files are
+# missing.
+#
+#FORCE_SHADOW yes
+
+#
+# Allow newuidmap and newgidmap when running under an alternative
+# primary group.
+#
+#GRANT_AUX_GROUP_SUBIDS yes
+
+#
+# Prevents an empty password field to be interpreted as "no authentication
+# required".
+# Set to "yes" to prevent for all accounts
+# Set to "superuser" to prevent for UID 0 / root (default)
+# Set to "no" to not prevent for any account (dangerous, historical default)
+PREVENT_NO_AUTH superuser
+
+#
+# Select the HMAC cryptography algorithm.
+# Used in pam_timestamp module to calculate the keyed-hash message
+# authentication code.
+#
+# Note: It is recommended to check hmac(3) to see the possible algorithms
+# that are available in your system.
+#
+#HMAC_CRYPTO_ALGO SHA512
projects / thirdparty / shadow.git / commitdiff
