#
-# /etc/login.defs - Configuration control definitions for the login package.
+# /etc/login.defs - Configuration control definitions for the shadow package.
#
-# $Id$
+# $Id: login.defs 3189 2010-03-26 11:53:06Z nekral-guest $
#
-# Three items must be defined: MAIL_DIR, ENV_SUPATH, and ENV_PATH.
-# If unspecified, some arbitrary (and possibly incorrect) value will
-# be assumed. All other items are optional - if not specified then
-# the described action or option will be inhibited.
-#
-# Comment lines (lines beginning with "#") and blank lines are ignored.
-#
-# Modified for Linux. --marekm
#
# Delay in seconds before being allowed another attempt after a login failure
+# Note: When PAM is used, some modules may enfore a minimal delay (e.g.
+# pam_unix enforces a 2s delay)
#
FAIL_DELAY 3
+#
+# Enable logging and display of /var/log/faillog login failure info.
+#
+FAILLOG_ENAB yes
+
#
# Enable display of unknown usernames when login failures are recorded.
#
#
LOG_OK_LOGINS no
+#
+# Enable logging and display of /var/log/lastlog login 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 gecos field.
+#
+QUOTAS_ENAB yes
+
#
# Enable "syslog" logging of su activity - in addition to sulog file logging.
# SYSLOG_SG_ENAB does the same for newgrp and sg.
#
#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 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 something like "vt100 tty01".
#
#TTYTYPE_FILE /etc/ttytype
+#
+# If defined, login failures will be logged here in a utmp format.
+# last, when invoked as lastb, will read /var/log/btmp, so...
+#
+FTMP_FILE /var/log/btmp
+
+#
+# If defined, name of file whose presence which will inhibit non-root
+# logins. The contents 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 a "ps" will display the
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.
#
#
# ERASECHAR Terminal ERASE character ('\010' = backspace).
# KILLCHAR Terminal KILL character ('\025' = CTRL/U).
-# UMASK Default "umask" value.
+# 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
+ERASECHAR 0177
+KILLCHAR 025
+#ULIMIT 2097152
+
+# Default initial "umask" value used by login on non-PAM enabled systems.
+# Default "umask" value for pam_umask on PAM enabled systems.
+# UMASK is also used by useradd and newusers to set the mode of new home
+# directories.
+# 022 is the default value, but 027, or even 077, could be considered
+# better for privacy. There is no One True Answer here: each sysadmin
+# must make up 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, where are the dictionaries
+#
+CRACKLIB_DICTPATH /var/cache/cracklib/cracklib_dict
+
#
# Min/max values for automatic uid selection in useradd
#
UID_MIN 1000
UID_MAX 60000
+# System accounts
+SYS_UID_MIN 1
+SYS_UID_MAX 999
#
# Min/max values for automatic gid selection in groupadd
#
GID_MIN 1000
GID_MAX 60000
+# System accounts
+SYS_GID_MIN 10
+SYS_GID_MAX 999
#
# Max number of login retries if password is bad
#
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/chsh can make any changes.
+#
+CHFN_AUTH yes
+
#
# Which fields may be changed by regular users using chfn - 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 yes
+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.
+#
+#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 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 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 forcing the password.
+# But note also that it more CPU resources will be needed to authenticate
+# users.
+#
+# If not specified, the libc will choose the default number of rounds (5000).
+# The values must be inside 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
#
# List of groups to add to the user's supplementary group set
#
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
+
#
# If defined, this command is run when removing a user.
# It should remove any at/cron/print jobs etc. owned by
#
#USERDEL_CMD /usr/sbin/userdel_local
-#
-# When prompting for password without echo, getpass() can optionally
-# display a random number (in the range 1 to GETPASS_ASTERISKS) of '*'
-# characters for each character typed. This feature is designed to
-# confuse people looking over your shoulder when you enter a password :-).
-# Also, the new getpass() accepts both Backspace (8) and Delete (127)
-# keys to delete previous character (to cope with different terminal
-# types), Control-U to delete all characters, and beeps when there are
-# no more characters to delete, or too many characters entered.
-#
-# Setting GETPASS_ASTERISKS to 1 results in more traditional behaviour -
-# exactly one '*' displayed for each character typed.
-#
-# Setting GETPASS_ASTERISKS to 0 disables the '*' characters (Backspace,
-# Delete, Control-U and beep continue to work as described above).
-#
-# Setting GETPASS_ASTERISKS to -1 reverts to the traditional getpass()
-# without any new features. This is the default.
-#
-#GETPASS_ASTERISKS 1
-
#
# 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
#
#USERGROUPS_ENAB yes
+#
+# If set to a non-nul number, the shadow utilities will make sure that
+# groups never have more than this number of users on one line.
+# This permit 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 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 command
+# line.
+#
+#CREATE_HOME yes
+
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