[root@sangogi /]# rpm -qa proftpd
proftpd-1.2.9-1kr
[root@sangogi /]# whereis proftpd
proftpd: /usr/sbin/proftpd /etc/proftpd /usr/share/man/man8/proftpd.8.gz
[root@sangogi /]# cat /etc/proftpd/proftpd.conf | grep ServerType
ServerType standalone
#ServerType inetd
[root@sangogi /]# netstat -an | grep LISTEN | grep 21
tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN