#%PAM-1.0
auth       required     /lib/security/pam_nologin.so
auth       sufficient   /lib/security/pam_unix.so shadow md5 nullok likeauth
auth       required     /lib/security/pam_krb5.so use_first_pass

account    required     /lib/security/pam_unix.so

password   required     /lib/security/pam_cracklib.so
password   required     /lib/security/pam_unix.so shadow md5 nullok use_authtok

session    required     /lib/security/pam_unix.so
session    optional     /lib/security/pam_krb5.so
