#%PAM-1.0
auth    required pam_listfile.so item=user sense=deny file=/etc/ftpusers onerr=succeed
auth    required pam_shells.so
auth    include  system-auth
account required pam_nologin.so
account include  system-auth
session optional pam_keyinit.so force revoke
session include  system-auth
session required pam_loginuid.so