File: login.defs

package info (click to toggle)
shadow 1:4.0.18.1-7+etch1
  • links: PTS
  • area: main
  • in suites: etch
  • size: 13,224 kB
  • ctags: 1,515
  • sloc: ansic: 18,570; sh: 11,274; xml: 6,114; makefile: 945; yacc: 814; perl: 59; sed: 16
file content (319 lines) | stat: -rw-r--r-- 8,212 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
#
# /etc/login.defs - Configuration control definitions for the shadow package.
#
#	$Id: login.defs,v 1.9 2006/07/16 09:00:20 kloczek Exp $
#

#
# Delay in seconds before being allowed another attempt after a login failure
#
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_UNKFAIL_ENAB	no

#
# Enable logging of successful logins
#
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.
#
SYSLOG_SU_ENAB		yes
SYSLOG_SG_ENAB		yes

#
# 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/securetty
#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.
# 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
# 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.
#
MAIL_DIR	/var/spool/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, 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.
#
# (they are minimal, add the rest in the shell startup files)
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	tty
TTYPERM		0600

#
# 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.
# (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
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

#
# 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

#
# Min/max values for automatic gid selection in groupadd
#
GID_MIN			  100
GID_MAX			60000

#
# Max number of login retries if password is bad
#
LOGIN_RETRIES		5

#
# Max time in seconds for login
#
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		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".
#
#MD5_CRYPT_ENAB	no

#
# 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...
#
#CONSOLE_GROUPS		floppy:audio:cdrom

#
# Should login be allowed if we can't cd to the home directory?
# Default in no.
#
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
# 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.
#
# This also enables userdel to remove user groups if no members exist.
#
USERGROUPS_ENAB yes