auth required /lib/security/pam_listfile.so item=user sense=deny file=/etc/ftpusers onerr=succeed auth required /lib/security/pam_unix.so auth required /lib/security/pam_shells.so account required /lib/security/pam_unix.so session required /lib/security/pam_unix.so password sufficient /lib/security/pam_unix.so # If authentication doesn't work for you, try to add 'shadow' (without quotes) # after pam_unix.so - suggested by Joe Silva. # If it still doesn't work for you, you can also try to add "md5" after # "pam_unix.so"