Thursday, September 14, 2017
centos 7 password policy
Şifre Politikası
Min. 8 hane, Bir Büyük, Bir Küçük harf, Rakam ve Noktalama işareti içermesi zorunludur
5 defa yanlış giriş yapılınca 30 dk lock olacak
90 günde bir şifre değişimi zorunlu olacak
En son kullanılan 4 şifreyi hatırlayacak
[root@i ~]# cat /etc/pam.d/system-auth
#%PAM-1.0
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth required pam_env.so
auth required pam_faillock.so preauth silent audit deny=5 unlock_time=1800
auth sufficient pam_unix.so nullok try_first_pass
auth [default=die] pam_faillock.so authfail audit deny=5 unlock_time=1800
auth requisite pam_succeed_if.so uid >= 1000 quiet_success
auth required pam_deny.so
account required pam_unix.so
account sufficient pam_localuser.so
account sufficient pam_succeed_if.so uid < 1000 quiet
account required pam_permit.so
account required pam_faillock.so
password requisite pam_pwquality.so try_first_pass local_users_only retry=3 authtok_type=
password required pam_pwhistory.so use_authok remember=4
password sufficient pam_unix.so sha512 shadow nullok try_first_pass use_authtok
password required pam_deny.so
session optional pam_keyinit.so revoke
session required pam_limits.so
-session optional pam_systemd.so
session [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
session required pam_unix.so
vi /etc/login.defs
MAX_PASS_DAYS=90
vi /etc/security/pwquality.conf
minlength 8
ucredit -1
ocredit -1
dcredit -1
lcredit -1
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