#%PAM-1.0
-auth required pam_listfile.so item=user sense=deny file=/etc/ftpd/ftpusers onerr=succeed
+auth required pam_listfile.so item=user sense=deny file=/etc/vsftpd/ftpusers onerr=succeed
auth include system-auth
account required pam_nologin.so
account include system-auth