# # /etc/login.defs - Configuration control definitions for the login package. # # $Id: login.defs,v 1.5 2003/05/04 20:09:43 kloczek Exp $ # # 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. # # # Delay in seconds before being allowed another attempt after a login failure # FAIL_DELAY 5 # # 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_UNKFAIL_ENAB yes # # Enable logging and display of /var/log/lastlog login time info. # LASTLOG_ENAB yes # # Enable checking and display of mailbox status upon login. # 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. # SYSLOG_SU_ENAB no SYSLOG_SG_ENAB no # # 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. # CONSOLE /etc/consoles #CONSOLE console:tty01:tty02:tty03:tty04 # # If defined, all su 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 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. # FTMP_FILE /etc/ftmp # # 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/nologins # # 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 # # *REQUIRED* # Directory where mailboxes reside, _or_ name of file, relative to the # home directory. If you _do_ define both, MAIL_DIR takes precedence. # MAILDIR is for Qmail # #MAILDIR Maildir MAIL_DIR /var/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, the presence of this value in an /etc/passwd "shell" field will # disable logins for that user, although "su" will still be allowed. # NOLOGIN_STR NOLOGIN # # 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. # ENV_HZ HZ=50 # # *REQUIRED* The default PATH settings, for superuser and normal users. # 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" 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. # #TTYGROUP 7 #TTYPERM 0620 TTYPERM 0622 # # Login configuration initializations: # # 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. # # Prefix these values with "0" to get octal, "0x" to get hexadecimal. # ERASECHAR 010 KILLCHAR 025 UMASK 022 ULIMIT 2097152 # # 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 # # Only allow group 0 members to "su" to root. # SU_WHEEL_ONLY no # # If compiled with cracklib support, where are the dictionaries # #CRACKLIB_DICTPATH /usr/share/lib/pw_dict # chkpasswd uses this one MD5_CRYPT_ENAB yes