RedHat / CentOS Cluster, Which ports need to be open within iptables

cman (Cluster Manager) UDP Ports 5404, 5405

# iptables -I INPUT -m state --state NEW -m multiport -p udp -s 192.168.1.0/24 -d 192.168.1.0/24 --dports 5404,5405 -j ACCEPT

# iptables -I INPUT -m addrtype --dst-type MULTICAST -m state --state NEW -m multiport -p udp -s 192.168.1.0/24 --dports

 dlm (Distributed Lock Manager) TCP Port 21064

# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.1.0/24 -d 192.168.1.0/24 --dport 21064 -j ACCEPT

 ricci (part of Conga remote agent) TCP Port 11111

# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.1.0/24 -d 192.168.1.0/24 --dport 11111 -j ACCEPT

 modclusterd (part of Conga remote agent) TCP Port 16851

# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.1.0/24 -d 192.168.1.0/24 --dport 16851 -j ACCEPT

 luci (Conga User Interface server) TCP Port 8084

# iptables -I INPUT -m state --state NEW -p tcp -s 192.168.1.0/24 -d 192.168.1.0/24 --dport 8084 -j ACCEPT

 igmp (Internet Group Management Protocol)

# iptables -I INPUT -p igmp -j ACCEPT