auth required /lib/security/pam_listfile.so item=user sense=deny file=/etc/security/blacklist.passwd onerr=succeed
auth required /lib/security/pam_unix.so
account required /lib/security/pam_unix.so
+# password [success=1 ignore=reset abort=die default=bad] /lib/security/pam_pwgen.so upper=1 digit=1
password required /lib/security/pam_cracklib.so difok=2 minlen=8 dcredit=2 ocredit=2 retry=3
password required /lib/security/pam_unix.so md5 shadow use_authtok
password required /lib/security/pam_make.so /var/db