#%PAM-1.0
auth       sufficient  pam_timestamp.so
auth       required    pam_stack.so service=system-auth
account	   required    pam_nologin.so 
account    required    pam_stack.so service=system-auth
password   required    pam_stack.so service=system-auth
session    required    pam_stack.so service=system-auth
session    required    pam_loginuid.so
session    optional    pam_timestamp.so
session    optional    pam_console.so