#%PAM-1.0
-auth required /lib/security/pam_listfile.so item=user sense=deny file=/etc/ftpusers onerr=succeed
+auth required /lib/security/pam_listfile.so item=user sense=deny file=/etc/ftpd/ftpusers onerr=succeed
auth required /lib/security/pam_unix.so
auth required /lib/security/pam_shells.so
account required /lib/security/pam_unix.so