#%PAM-1.0
auth       required	/lib/security/pam_unix.so shadow nullok
auth       required	/lib/security/pam_nologin.so
account    required	/lib/security/pam_unix.so
password   required	/lib/security/pam_cracklib.so type=user retry=3
password   required	/lib/security/pam_unix.so use_authtok # md5 shadow                                         
session    required	/lib/security/pam_unix.so
