Hey Jane,
Here is the output, not seeying any thing on UDP...
[root@localhost log]# iptables --list -v
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
3250K 1163M ACCEPT all -- any any anywhere anywhere state RELATED,ESTABLISHED
0 0 ACCEPT icmp -- any any anywhere anywhere
1087 63796 ACCEPT all -- lo any anywhere anywhere
0 0 ACCEPT tcp -- any any anywhere anywhere state NEW tcp dpt:ssh
19730 2364K REJECT all -- any any anywhere anywhere reject-with icmp-host-prohibited
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
0 0 REJECT all -- any any anywhere anywhere reject-with icmp-host-prohibited
Chain OUTPUT (policy ACCEPT 3253K packets, 1044M bytes)
pkts bytes target prot opt in out source destination