IP table configuration of my utility server

iptables

# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
# Zookeeper Port
-A INPUT -m state --state NEW -m tcp -p tcp --dport 2181 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 9092 -j ACCEPT
# ActiveMQ Web Console
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8161 -j ACCEPT
# ActiveMQ Jms Port
-A INPUT -m state --state NEW -m tcp -p tcp --dport 61616 -j ACCEPT

# Hadoop Ports
-A INPUT -m state --state NEW -m tcp -p tcp --dport 50070 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 1527 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 50075 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 50475 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 50105 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 50470 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 2181 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 50090 -j ACCEPT
-A INPUT -m state --state NEW -m multiport -p tcp --dports 8030:8100 -j ACCEPT

# Ignite Ports
-A INPUT -m state --state NEW -m tcp -p tcp --dport 47500 -j ACCEPT

-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT


# Enabling Multicast OSX
$ ifconfig -a
$ netstat -nr
$ sudo route -nv add -net 228.0.0.4 -interface en0
$ sudo tcpdump -ni en0 host 228.0.0.4 
  -> On all machines you want multicast enabled
$ ping -t 1 -c 2 228.0.0.4