Yes, here is my output:
bt ~ # netstat -anut | grep 21
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN
and from my windows client:
c:\>ftp bt
Connected to bt.
220 ProFTPD 1.3.1rc3 Server (ProFTPD Default Installation) [192.168.0.101]
User (bt
none)): root
331 Password required for root
Password:
530 Login incorrect.
Login failed.
ftp>