ftp: connect: No route to host

error:
[root@test2 ~]# ftp 172.22.113.132
ftp: connect: No route to host

check iptables: stop iptables.
[root@localhost home]# /etc/init.d/iptables stop

Or open port 21

[root@test2 ~]# ftp 172.22.113.132
Connected to 172.22.113.132.
220 (vsFTPd 2.0.5)
530 Please login with USER and PASS.
530 Please login with USER and PASS.
KERBEROS_V4 rejected as an authentication type
Name (172.22.113.132:root):