2 auth required /lib/security/pam_pwdb.so shadow nullok
3 auth required /lib/security/pam_nologin.so
4 account required /lib/security/pam_pwdb.so
5 password required /lib/security/pam_cracklib.so
6 password required /lib/security/pam_pwdb.so shadow nullok use_authtok
7 session required /lib/security/pam_pwdb.so