Blame SOURCES/shadow-utils.login.defs

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#
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# Please note that the parameters in this configuration file control the
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# behavior of the tools from the shadow-utils component. None of these
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# tools uses the PAM mechanism, and the utilities that use PAM (such as the
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# passwd command) should therefore be configured elsewhere. Refer to
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# /etc/pam.d/system-auth for more information.
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#
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#
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# Delay in seconds before being allowed another attempt after a login failure
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# Note: When PAM is used, some modules may enforce a minimum delay (e.g.
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#       pam_unix(8) enforces a 2s delay)
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#
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#FAIL_DELAY		3
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# Currently FAILLOG_ENAB is not supported
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#
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# Enable display of unknown usernames when login(1) failures are recorded.
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#
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#LOG_UNKFAIL_ENAB	no
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# Currently LOG_OK_LOGINS is not supported
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# Currently LASTLOG_ENAB is not supported
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#
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# Limit the highest user ID number for which the lastlog entries should
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# be updated.
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#
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# No LASTLOG_UID_MAX means that there is no user ID limit for writing
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# lastlog entries.
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#
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#LASTLOG_UID_MAX
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# Currently MAIL_CHECK_ENAB is not supported
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# Currently OBSCURE_CHECKS_ENAB is not supported
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# Currently PORTTIME_CHECKS_ENAB is not supported
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# Currently QUOTAS_ENAB is not supported
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# Currently SYSLOG_SU_ENAB is not supported
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#
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# Enable "syslog" logging of newgrp(1) and sg(1) activity.
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#
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#SYSLOG_SG_ENAB		yes
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# Currently CONSOLE is not supported
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# Currently SULOG_FILE is not supported
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# Currently MOTD_FILE is not supported
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# Currently ISSUE_FILE is not supported
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# Currently TTYTYPE_FILE is not supported
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# Currently FTMP_FILE is not supported
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# Currently NOLOGINS_FILE is not supported
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# Currently SU_NAME is not supported
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# *REQUIRED*
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#   Directory where mailboxes reside, _or_ name of file, relative to the
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#   home directory.  If you _do_ define both, MAIL_DIR takes precedence.
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#
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MAIL_DIR	/var/spool/mail
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#MAIL_FILE	.mail
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#
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# If defined, file which inhibits all the usual chatter during the login
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# sequence.  If a full pathname, then hushed mode will be enabled if the
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# user's name or shell are found in the file.  If not a full pathname, then
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# hushed mode will be enabled if the file exists in the user's home directory.
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#
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#HUSHLOGIN_FILE	.hushlogin
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#HUSHLOGIN_FILE	/etc/hushlogins
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# Currently ENV_TZ is not supported
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# Currently ENV_HZ is not supported
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#
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# The default PATH settings, for superuser and normal users.
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#
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# (they are minimal, add the rest in the shell startup files)
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#ENV_SUPATH	PATH=/sbin:/bin:/usr/sbin:/usr/bin
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#ENV_PATH	PATH=/bin:/usr/bin
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#
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# Terminal permissions
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#
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#	TTYGROUP	Login tty will be assigned this group ownership.
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#	TTYPERM		Login tty will be set to this permission.
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#
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# If you have a write(1) program which is "setgid" to a special group
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# which owns the terminals, define TTYGROUP as the number of such group
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# and TTYPERM as 0620.  Otherwise leave TTYGROUP commented out and
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# set TTYPERM to either 622 or 600.
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#
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#TTYGROUP	tty
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#TTYPERM		0600
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# Currently ERASECHAR, KILLCHAR and ULIMIT are not supported
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# Default initial "umask" value used by login(1) on non-PAM enabled systems.
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# Default "umask" value for pam_umask(8) on PAM enabled systems.
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# UMASK is also used by useradd(8) and newusers(8) to set the mode for new
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# home directories if HOME_MODE is not set.
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# 022 is the default value, but 027, or even 077, could be considered
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# for increased privacy. There is no One True Answer here: each sysadmin
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# must make up their mind.
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UMASK		022
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# HOME_MODE is used by useradd(8) and newusers(8) to set the mode for new
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# home directories.
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# If HOME_MODE is not set, the value of UMASK is used to create the mode.
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HOME_MODE	0700
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# Password aging controls:
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#
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#	PASS_MAX_DAYS	Maximum number of days a password may be used.
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#	PASS_MIN_DAYS	Minimum number of days allowed between password changes.
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#	PASS_MIN_LEN	Minimum acceptable password length.
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#	PASS_WARN_AGE	Number of days warning given before a password expires.
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#
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PASS_MAX_DAYS	99999
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PASS_MIN_DAYS	0
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PASS_WARN_AGE	7
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# Currently PASS_MIN_LEN is not supported
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# Currently SU_WHEEL_ONLY is not supported
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# Currently CRACKLIB_DICTPATH is not supported
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#
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# Min/max values for automatic uid selection in useradd(8)
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#
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UID_MIN                  1000
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UID_MAX                 60000
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# System accounts
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SYS_UID_MIN               201
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SYS_UID_MAX               999
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# Extra per user uids
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SUB_UID_MIN		   100000
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SUB_UID_MAX		600100000
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SUB_UID_COUNT		    65536
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#
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# Min/max values for automatic gid selection in groupadd(8)
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#
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GID_MIN                  1000
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GID_MAX                 60000
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# System accounts
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SYS_GID_MIN               201
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SYS_GID_MAX               999
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# Extra per user group ids
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SUB_GID_MIN		   100000
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SUB_GID_MAX		600100000
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SUB_GID_COUNT		    65536
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#
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# Max number of login(1) retries if password is bad
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#
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#LOGIN_RETRIES		3
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#
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# Max time in seconds for login(1)
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#
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#LOGIN_TIMEOUT		60
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# Currently PASS_CHANGE_TRIES is not supported
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# Currently PASS_ALWAYS_WARN is not supported
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# Currently PASS_MAX_LEN is not supported
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# Currently CHFN_AUTH is not supported
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#
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# Which fields may be changed by regular users using chfn(1) - use
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# any combination of letters "frwh" (full name, room number, work
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# phone, home phone).  If not defined, no changes are allowed.
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# For backward compatibility, "yes" = "rwh" and "no" = "frwh".
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# 
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#CHFN_RESTRICT		rwh
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# Currently LOGIN_STRING is not supported
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# Currently MD5_CRYPT_ENAB is not supported
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#
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# If set to MD5, MD5-based algorithm will be used for encrypting password
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# If set to SHA256, SHA256-based algorithm will be used for encrypting password
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# If set to SHA512, SHA512-based algorithm will be used for encrypting password
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# If set to BLOWFISH, BLOWFISH-based algorithm will be used for encrypting password
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# If set to DES, DES-based algorithm will be used for encrypting password (default)
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#
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ENCRYPT_METHOD SHA512
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#
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# Only works if ENCRYPT_METHOD is set to SHA256 or SHA512.
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#
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# Define the number of SHA rounds.
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# With a lot of rounds, it is more difficult to brute-force the password.
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# However, more CPU resources will be needed to authenticate users if
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# this value is increased.
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#
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# If not specified, the libc will choose the default number of rounds (5000).
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# The values must be within the 1000-999999999 range.
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#
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#SHA_CRYPT_MAX_ROUNDS 5000
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# Currently SHA_CRYPT_MIN_ROUNDS is not supported
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# Currently BCRYPT_MIN_ROUNDS and BCRYPT_MAX_ROUNDS are not supported
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# Currently CONSOLE_GROUPS is not supported
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#
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# Should login be allowed if we can't cd to the home directory?
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# Default is yes.
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#
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#DEFAULT_HOME	yes
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# Currently ENVIRON_FILE is not supported
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#
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# If defined, this command is run when removing a user.
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# It should remove any at/cron/print jobs etc. owned by
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# the user to be removed (passed as the first argument).
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#
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#USERDEL_CMD	/usr/sbin/userdel_local
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#
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# Enables userdel(8) to remove user groups if no members exist.
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#
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USERGROUPS_ENAB yes
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#
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# If set to a non-zero number, the shadow utilities will make sure that
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# groups never have more than this number of users on one line.
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# This permits to support split groups (groups split into multiple lines,
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# with the same group ID, to avoid limitation of the line length in the
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# group file).
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#
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# 0 is the default value and disables this feature.
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#
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#MAX_MEMBERS_PER_GROUP	0
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#
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# If useradd(8) should create home directories for users by default (non
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# system users only).
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# This option is overridden with the -M or -m flags on the useradd(8)
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# command-line.
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#
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CREATE_HOME	yes
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#
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# Force use shadow, even if shadow passwd & shadow group files are
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# missing.
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#
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#FORCE_SHADOW    yes
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#
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# Select the HMAC cryptography algorithm.
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# Used in pam_timestamp module to calculate the keyed-hash message
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# authentication code.
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#
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# Note: It is recommended to check hmac(3) to see the possible algorithms
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# that are available in your system.
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#
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HMAC_CRYPTO_ALGO SHA512