can you log in as root and run the following command and post its output?
iptables -L -v
[root@localhost omega]# iptables -L -v
Chain INPUT (policy ACCEPT 807K packets, 575M bytes)
pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 738K packets, 136M bytes)
pkts bytes target prot opt in out source destination