auth       required   pam_unix.so
auth       optional   pam_group.so
auth       optional   pam_faildelay.so delay=1000000
account    requisite  pam_time.so
account    required   pam_unix.so
password   required   pam_unix.so shadow md5 use_authtok
session    optional   pam_exec.so quiet /usr/sbin/wtmprot
session    required   pam_unix.so
