auth		required	pam_env.so
auth		sufficient	pam_unix.so likeauth nullok
auth		required	pam_deny.so

account		required	pam_unix.so

password	required	pam_cracklib.so retry=3 type=
password	sufficient	pam_unix.so nullok use_authok md5 shadow
password	required	pam_deny.so

session		required	pam_limits.so
session		required	pam_unix.so