Also fix the defaults.

defaults/main.yml

@@ -16,7 +16,7 @@ iptables_generic_rules_default_policy: 'REJECT --reject-with icmp-host-prohibite
 ganglia_enabled: False
 nagios_enabled: False
 iptables_open_all_to_isti_nets: False
-tomcat_cluster_enabled: False
+jgroups_cluster_enabled: False
 # Another variable needs to be defined before the db rules are set
 psql_firewall_enabled: True
 mysql_firewall_enabled: True

templates/iptables-rules.v4.j2

@@ -262,7 +262,7 @@
 {% endif %}
 {% endif %}
 {% if jgroups_cluster_enabled %}
-# tomcat cluster
+# tomcat/jboss/wildfly cluster
 -A INPUT -m pkttype --pkt-type multicast -d {{ jgroups_multicast_addr }} -j ACCEPT
 -A INPUT -m state --state NEW -p tcp -m tcp --dport {{ jgroups_multicast_port }} -j ACCEPT
 {% if hybernate_multicast_net is defined %}