#%PAM-1.0
-auth required /lib/security/pam_pwdb.so md5 shadow
-auth required /lib/security/pam_wheel.so group=wheel
-auth sufficient /lib/security/pam_rootok.so
-account required /lib/security/pam_pwdb.so
-account required /lib/security/pam_permit.so
-password required /lib/security/pam_cracklib.so
-password required /lib/security/pam_pwdb.so md5 shadow use_authtok
-session required /lib/security/pam_pwdb.so
-session required /lib/security/pam_limits.so
-session required /lib/security/pam_env.so
-session optional /lib/security/pam_xauth.so
-
+auth required /lib/security/pam_unix.so
+auth required /lib/security/pam_wheel.so group=wheel
+auth sufficient /lib/security/pam_rootok.so
+account required /lib/security/pam_unix.so
+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
+session required /lib/security/pam_unix.so
+session required /lib/security/pam_env.so
+session required /lib/security/pam_limits.so
+session optional /lib/security/pam_xauth.so