Tente algo assim:
# yum install vsftpd
# nano /etc/vsftpd/vsftpd.conf
chroot_local_user=YES
# chkconfig vsftpd on
# service vsftpd start
# nano /etc/sysconfig/iptables
-A RH-Firewall-1-INPUT -m state --state NEW -p tcp --dport 21 -j ACCEPT
# service iptables restart