#%PAM-1.0
auth       required     pam_nologin.so
auth       required     pam_unix.so
auth       required     pam_env.so # [1]

account    required     pam_unix.so

session    required     pam_unix.so
session    optional     pam_motd.so # [1]
session    optional     pam_mail.so standard noenv # [1]
session    required     pam_limits.so

password   required     pam_unix.so

# Alternate strength checking for password. Note that this
# requires the libpam-cracklib package to be installed.
# You will need to comment out the password line above and
# uncomment the next two in order to use this.
#
# password required       pam_cracklib.so retry=3 minlen=6 difok=3
# password required       pam_unix.so use_authtok nullok md5