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hardening on Red Hat Linux - account locking

Posted by Roshan on Nov 15, 2017; 5:13pm
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/hardening-on-Red-Hat-Linux-account-locking-tp4474.html

Red Hat Linux 6/7
 
Hi,
 
I have performed the steps in
2.1.9.5. Account Locking

 
But still account is not locked after 3 bad attempts
 
 
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html-single/security_guide/index#sect-Security_…
 
 
Please advise where I could be wrong.
 
system-auth:
 
#%PAM-1.0
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth        required       pam_faillock.so preauth silent audit deny=3 unlock_time=600
auth        sufficient     pam_unix.so nullok try_first_pass
auth        [default=die]  pam_faillock.so authfail audit deny=3 unlock_time=600
 
 
 
 
auth        required      pam_env.so
auth        sufficient    pam_fprintd.so
auth        requisite     pam_succeed_if.so uid >= 500 quiet
auth        sufficient    pam_krb5.so use_first_pass
auth        required      pam_deny.so
 
 
account     required      pam_faillock.so
account     required      pam_access.so
account     required      pam_unix.so broken_shadow
account     sufficient    pam_localuser.so
account     sufficient    pam_succeed_if.so uid < 500 quiet
account     [default=bad success=ok user_unknown=ignore] pam_krb5.so
account     required      pam_permit.so
 
 
password    requisite     pam_cracklib.so try_first_pass retry=3 type=
password    sufficient    pam_unix.so sha512 shadow nullok try_first_pass use_authtok
password    sufficient    pam_krb5.so use_authtok
password    required      pam_deny.so
 
 
session     optional      pam_keyinit.so revoke
session     required      pam_limits.so
session     optional      pam_oddjob_mkhomedir.so umask=0077
session     [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
session     required      pam_unix.so
session     optional      pam_krb5.so
~
 
password-auth
#%PAM-1.0
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth        required       pam_faillock.so preauth silent audit deny=3 unlock_time=600
auth        sufficient     pam_unix.so nullok try_first_pass
auth        [default=die]  pam_faillock.so authfail audit deny=3 unlock_time=600
 
 
auth        required      pam_env.so
auth        requisite     pam_succeed_if.so uid >= 500 quiet
auth        sufficient    pam_krb5.so use_first_pass
auth        required      pam_deny.so
 
 
account     required      pam_access.so
account     required      pam_unix.so broken_shadow
account     sufficient    pam_localuser.so
account     required      pam_faillock.so
account     sufficient    pam_succeed_if.so uid < 500 quiet
account     [default=bad success=ok user_unknown=ignore] pam_krb5.so
account     required      pam_permit.so
 
 
password    requisite     pam_cracklib.so try_first_pass retry=3 type=
password    sufficient    pam_unix.so sha512 shadow nullok try_first_pass use_authtok
password    sufficient    pam_krb5.so use_authtok
password    required      pam_deny.so
 
 
session     optional      pam_keyinit.so revoke
session     required      pam_limits.so
session     optional      pam_oddjob_mkhomedir.so umask=0077
session     [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
session     required      pam_unix.so
session     optional      pam_krb5.so

Regards,

Roshan