kazulog@sv2:~$ cd /tmp
kazulog@sv2:/tmp$ ftp 192.168.100.10
Connected to 192.168.100.10.
220 (vsFTPd 3.0.5)
Name (192.168.100.10:kazulog): ftpdemo
530 Non-anonymous sessions must use encryption.
ftp: Login failed
ftp> bye