341 lines
10 KiB
Plaintext
341 lines
10 KiB
Plaintext
#
|
||
# /etc/login.defs - Configuration control definitions for the login package.
|
||
#
|
||
# 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
|
||
|
||
# REQUIRED for useradd/userdel/usermod
|
||
# Directory where mailboxes reside, _or_ name of file, relative to the
|
||
# home directory. If you _do_ define MAIL_DIR and MAIL_FILE,
|
||
# MAIL_DIR takes precedence.
|
||
#
|
||
# Essentially:
|
||
# - MAIL_DIR defines the location of users mail spool files
|
||
# (for mbox use) by appending the username to MAIL_DIR as defined
|
||
# below.
|
||
# - MAIL_FILE defines the location of the users mail spool files as the
|
||
# fully-qualified filename obtained by prepending the user home
|
||
# directory before $MAIL_FILE
|
||
#
|
||
# NOTE: This is no more used for setting up users MAIL environment variable
|
||
# which is, starting from shadow 4.0.12-1 in Debian, entirely the
|
||
# job of the pam_mail PAM modules
|
||
# See default PAM configuration files provided for
|
||
# login, su, etc.
|
||
#
|
||
# This is a temporary situation: setting these variables will soon
|
||
# move to /etc/default/useradd and the variables will then be
|
||
# no more supported
|
||
MAIL_DIR /var/mail
|
||
#MAIL_FILE .mail
|
||
|
||
#
|
||
# Enable logging and display of /var/log/faillog login failure info.
|
||
# This option conflicts with the pam_tally PAM module.
|
||
#
|
||
FAILLOG_ENAB yes
|
||
|
||
#
|
||
# Enable display of unknown usernames when login failures are recorded.
|
||
#
|
||
# WARNING: Unknown usernames may become world readable.
|
||
# See #290803 and #298773 for details about how this could become a security
|
||
# concern
|
||
LOG_UNKFAIL_ENAB no
|
||
|
||
#
|
||
# Enable logging of successful logins
|
||
#
|
||
LOG_OK_LOGINS no
|
||
|
||
#
|
||
# Enable "syslog" logging of su activity - in addition to sulog file logging.
|
||
# SYSLOG_SG_ENAB does the same for newgrp and sg.
|
||
#
|
||
SYSLOG_SU_ENAB yes
|
||
SYSLOG_SG_ENAB yes
|
||
|
||
#
|
||
# If defined, all su activity is logged to this file.
|
||
#
|
||
#SULOG_FILE /var/log/sulog
|
||
|
||
#
|
||
# 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, the command name to display when running "su -". For
|
||
# example, if this is defined as "su" then a "ps" will display the
|
||
# command is "-su". If not defined, then "ps" would display the
|
||
# name of the shell actually being run, e.g. something like "-sh".
|
||
#
|
||
SU_NAME su
|
||
|
||
#
|
||
# 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
|
||
|
||
#
|
||
# *REQUIRED* The default PATH settings, for superuser and normal users.
|
||
#
|
||
# (they are minimal, add the rest in the shell startup files)
|
||
ENV_SUPATH PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
|
||
ENV_PATH PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
|
||
|
||
#
|
||
# 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" program which is "setgid" to a special group
|
||
# which owns the terminals, define TTYGROUP to the group number and
|
||
# TTYPERM to 0620. Otherwise leave TTYGROUP commented out and assign
|
||
# TTYPERM to either 622 or 600.
|
||
#
|
||
# In Debian /usr/bin/bsd-write or similar programs are setgid tty
|
||
# However, the default and recommended value for TTYPERM is still 0600
|
||
# to not allow anyone to write to anyone else console or terminal
|
||
|
||
# Users can still allow other people to write them by issuing
|
||
# the "mesg y" command.
|
||
|
||
TTYGROUP tty
|
||
TTYPERM 0600
|
||
|
||
#
|
||
# Login configuration initializations:
|
||
#
|
||
# ERASECHAR Terminal ERASE character ('\010' = backspace).
|
||
# KILLCHAR Terminal KILL character ('\025' = CTRL/U).
|
||
# UMASK Default "umask" value.
|
||
#
|
||
# The ERASECHAR and KILLCHAR are used only on System V machines.
|
||
#
|
||
# UMASK is the default umask value for pam_umask and is used by
|
||
# useradd and newusers to set the mode of the new home directories.
|
||
# 022 is the "historical" value in Debian for UMASK
|
||
# 027, or even 077, could be considered better for privacy
|
||
# There is no One True Answer here : each sysadmin must make up his/her
|
||
# mind.
|
||
#
|
||
# If USERGROUPS_ENAB is set to "yes", that will modify this UMASK default value
|
||
# for private user groups, i. e. the uid is the same as gid, and username is
|
||
# the same as the primary group name: for these, the user permissions will be
|
||
# used as group permissions, e. g. 022 will become 002.
|
||
#
|
||
# Prefix these values with "0" to get octal, "0x" to get hexadecimal.
|
||
#
|
||
ERASECHAR 0177
|
||
KILLCHAR 025
|
||
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_WARN_AGE Number of days warning given before a password expires.
|
||
#
|
||
PASS_MAX_DAYS 99999
|
||
PASS_MIN_DAYS 0
|
||
PASS_WARN_AGE 7
|
||
|
||
#
|
||
# Min/max values for automatic uid selection in useradd
|
||
#
|
||
SYS_UID_MAX 999
|
||
UID_MIN 3000
|
||
UID_MAX 60000
|
||
# System accounts
|
||
#SYS_UID_MIN 100
|
||
#SYS_UID_MAX 999
|
||
|
||
#
|
||
# Min/max values for automatic gid selection in groupadd
|
||
#
|
||
SYS_GID_MAX 999
|
||
GID_MIN 3000
|
||
GID_MAX 60000
|
||
# System accounts
|
||
#SYS_GID_MIN 100
|
||
#SYS_GID_MAX 999
|
||
|
||
#
|
||
# Max number of login retries if password is bad. This will most likely be
|
||
# overriden by PAM, since the default pam_unix module has it's own built
|
||
# in of 3 retries. However, this is a safe fallback in case you are using
|
||
# an authentication module that does not enforce PAM_MAXTRIES.
|
||
#
|
||
LOGIN_RETRIES 5
|
||
|
||
#
|
||
# Max time in seconds for login
|
||
#
|
||
LOGIN_TIMEOUT 60
|
||
|
||
#
|
||
# 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 rwh
|
||
|
||
#
|
||
# Should login be allowed if we can't cd to the home directory?
|
||
# Default in no.
|
||
#
|
||
DEFAULT_HOME yes
|
||
|
||
#
|
||
# 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.
|
||
#
|
||
# If set to yes, userdel will remove the user´s group if it contains no
|
||
# more members, and useradd will create by default a group with the name
|
||
# of the user.
|
||
#
|
||
USERGROUPS_ENAB yes
|
||
|
||
#
|
||
# Instead of the real user shell, the program specified by this parameter
|
||
# will be launched, although its visible name (argv[0]) will be the shell's.
|
||
# The program may do whatever it wants (logging, additional authentification,
|
||
# banner, ...) before running the actual shell.
|
||
#
|
||
# FAKE_SHELL /bin/fakeshell
|
||
|
||
#
|
||
# If defined, either full pathname of a file containing device names or
|
||
# a ":" delimited list of device names. Root logins will be allowed only
|
||
# upon these devices.
|
||
#
|
||
# This variable is used by login and su.
|
||
#
|
||
#CONSOLE /etc/consoles
|
||
#CONSOLE console:tty01:tty02:tty03:tty04
|
||
|
||
#
|
||
# List of groups to add to the user's supplementary group set
|
||
# when logging in on 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 on the console.
|
||
# How to do it is left as an exercise for the reader...
|
||
#
|
||
# This variable is used by login and su.
|
||
#
|
||
#CONSOLE_GROUPS floppy:audio:cdrom
|
||
|
||
#
|
||
# 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".
|
||
#
|
||
# This variable is deprecated. You should use ENCRYPT_METHOD.
|
||
#
|
||
#MD5_CRYPT_ENAB no
|
||
|
||
#
|
||
# 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: It is recommended to use a value consistent with
|
||
# the PAM modules configuration.
|
||
#
|
||
ENCRYPT_METHOD SHA512
|
||
|
||
#
|
||
# Only used 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
|
||
|
||
################# OBSOLETED BY PAM ##############
|
||
# #
|
||
# These options are now handled by PAM. Please #
|
||
# edit the appropriate file in /etc/pam.d/ to #
|
||
# enable the equivelants of them.
|
||
#
|
||
###############
|
||
|
||
#MOTD_FILE
|
||
#DIALUPS_CHECK_ENAB
|
||
#LASTLOG_ENAB
|
||
#MAIL_CHECK_ENAB
|
||
#OBSCURE_CHECKS_ENAB
|
||
#PORTTIME_CHECKS_ENAB
|
||
#SU_WHEEL_ONLY
|
||
#CRACKLIB_DICTPATH
|
||
#PASS_CHANGE_TRIES
|
||
#PASS_ALWAYS_WARN
|
||
#ENVIRON_FILE
|
||
#NOLOGINS_FILE
|
||
#ISSUE_FILE
|
||
#PASS_MIN_LEN
|
||
#PASS_MAX_LEN
|
||
#ULIMIT
|
||
#ENV_HZ
|
||
#CHFN_AUTH
|
||
#CHSH_AUTH
|
||
#FAIL_DELAY
|
||
|
||
################# OBSOLETED #######################
|
||
# #
|
||
# These options are no more handled by shadow. #
|
||
# #
|
||
# Shadow utilities will display a warning if they #
|
||
# still appear. #
|
||
# #
|
||
###################################################
|
||
|
||
# CLOSE_SESSIONS
|
||
# LOGIN_STRING
|
||
# NO_PASSWORD_CONSOLE
|
||
# QMAIL_DIR
|