检查失败登录次数可以用lsuser查看unsuccessful_login_count已经达到4次;而account_locked属性依然没有改变,仍然为false
-bash-3.00# lsuser -f user1
user1:
id=207
pgrp=staff
groups=staff
home=/home/user1
shell=/usr/bin/ksh
login=true
su=true
rlogin=true
daemon=true
admin=false
sugroups=ALL
admgroups=
tpath=nosak
ttys=ALL
expires=0
auth1=SYSTEM
auth2=NONE
umask=22
registry=files
SYSTEM=compat
logintimes=
loginretries=3
pwdwarntime=0
account_locked=false
minage=0
maxage=0
maxexpired=-1
minalpha=0
minother=0
mindiff=0
maxrepeats=8
minlen=8
histexpire=0
histsize=0
pwdchecks=
dictionlist=
fsize=-1
cpu=-1
data=262144
stack=65536
core=2097151
rss=65536
nofiles=2000
time_last_login=1262968379
time_last_unsuccessful_login=1262969926
tty_last_login=/dev/pts/4
tty_last_unsuccessful_login=/dev/pts/5
host_last_login=192.168.1.2
host_last_unsuccessful_login=192.168.1.2
unsuccessful_login_count=4
roles=
或者直接浏览/etc/security/lastlog# cat /etc/security/lastlog
root:
time_last_login = 1262969648
tty_last_login = /dev/pts/4
host_last_login = 192.168.1.2
unsuccessful_login_count = 0
time_last_unsuccessful_login = 1264252052
tty_last_unsuccessful_login = /dev/pts/6
host_last_unsuccessful_login = 192.168.1.77
guest:
time_last_unsuccessful_login = 1226279970
tty_last_unsuccessful_login = /dev/pts/1
host_last_unsuccessful_login = 192.168.1.217
unsuccessful_login_count = 3
user1:
time_last_login = 1262968379
tty_last_login = /dev/pts/4
host_last_login = 192.168.1.2
unsuccessful_login_count = 4
time_last_unsuccessful_login = 1262969926
tty_last_unsuccessful_login = /dev/pts/5
host_last_unsuccessful_login = 192.168.1.2
oracle:
time_last_unsuccessful_login = 1255304971
tty_last_unsuccessful_login = 192_168_1_189_0
host_last_unsuccessful_login = 192.168.1.189:0
unsuccessful_login_count = 0
time_last_login = 1255305015
tty_last_login = 192_168_1_189_0
host_last_login = 192.168.1.189:0
informix:
time_last_unsuccessful_login = 1261962628
tty_last_unsuccessful_login = /dev/pts/0
host_last_unsuccessful_login = 192.168.1.157
unsuccessful_login_count = 0
time_last_login = 1262104409
tty_last_login = /dev/pts/3
host_last_login = 192.168.1.157
user2:
time_last_unsuccessful_login = 1262968664
tty_last_unsuccessful_login = /dev/pts/4
host_last_unsuccessful_login = 192.168.1.2
unsuccessful_login_count = 1
-bash-3.00#
4.尝试通过su – 来切换到user1
成功。可见即使账户锁定,依然可以用su – 来切换到被锁定的账户
5.解锁账户
方法一
通过SMITTY USERS来解锁USER1