/etc/pam.d/system-auth

#%PAM-1.0

auth       required                    pam_faillock.so      preauth
# Optionally use requisite above if you do not want to prompt for the password
# on locked accounts.
-auth      [success=2 default=ignore]  pam_systemd_home.so
auth       [success=1 default=bad]     pam_unix.so          try_first_pass nullok
auth       [default=die]               pam_faillock.so      authfail
auth       [success=1 default=ignore]  pam_succeed_if.so service = systemd-user quiet
auth       required                    pam_ecryptfs.so      unwrap
auth       optional                    pam_permit.so
auth       required                    pam_env.so
auth       required                    pam_faillock.so      authsucc
# If you drop the above call to pam_faillock.so the lock will be done also
# on non-consecutive authentication failures.

-account   [success=1 default=ignore]  pam_systemd_home.so
account    required                    pam_unix.so
account    optional                    pam_permit.so
account    required                    pam_time.so

-password  [success=1 default=ignore]  pam_systemd_home.so
password   optional                    pam_ecryptfs.so
password   required                    pam_unix.so          try_first_pass nullok shadow
password   optional                    pam_permit.so

-session   optional                    pam_systemd_home.so
session    required                    pam_limits.so
session    required                    pam_unix.so
session    [success=1 default=ignore]  pam_succeed_if.so service = systemd-user quiet
session    optional                    pam_ecryptfs.so unwrap
session    optional                    pam_permit.so