#
-# /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
# 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/btmpx
+FTMP_FILE /var/log/btmp
#
# If defined, name of file whose presence which will inhibit non-root
# *REQUIRED*
# Directory where mailboxes reside, _or_ name of file, relative to the
# home directory. If you _do_ define both, MAIL_DIR takes precedence.
-# QMAIL_DIR is for Qmail
#
-#QMAIL_DIR Maildir
MAIL_DIR /var/mail
#MAIL_FILE .mail
HUSHLOGIN_FILE .hushlogin
#HUSHLOGIN_FILE /etc/hushlogins
-#
-# If defined, the presence of this value in an /etc/passwd "shell" field will
-# disable logins for that user, although "su" will still be allowed.
-#
-# XXX this does not seem to be implemented yet... --marekm
-# no, it was implemented but I ripped it out ;-) -- jfh
-NOLOGIN_STR NOLOGIN
-
#
# If defined, either a TZ environment parameter spec or the
# fully-rooted pathname of a file containing such a spec.
#
# 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.
#
# Prefix these values with "0" to get octal, "0x" to get hexadecimal.
#
-#ERASECHAR 0177
-#KILLCHAR 025
-UMASK 022
+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 99999
PASS_MIN_DAYS 0
-PASS_MIN_LEN 8
-PASS_WARN_AGE 5
+PASS_MIN_LEN 5
+PASS_WARN_AGE 7
#
# If "yes", the user must be listed as a member of the first gid 0 group
#
# If compiled with cracklib support, where are the dictionaries
#
-CRACKLIB_DICTPATH /usr/share/dict
+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
# 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).
# Set to "no" if you need to copy encrypted passwords to other systems
# which don't understand the new algorithm. Default is "no".
#
-MD5_CRYPT_ENAB yes
+# 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
#
#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
+
projects / packages / shadow.git / blobdiff