The following paramters will be added to the configuration file hazelcast.properties, as mentioned in http://oxpedia.org/wiki/index.php?title=Running_a_cluster#Hazelcast_Config uration:

# The port Hazelcast will listen for incoming connections. Defaults to 5701.
com.openexchange.hazelcast.networkConfig.port=5701

# Configures if autmatically the next port should be tried if the incoming
# port is already in use. Defaults to true.
com.openexchange.hazelcast.networkConfig.portAutoI ncrement=true

# By default Hazelcast lets the system to pick up an ephemeral port during
# socket bind operation. But security policies/firewalls may require to
# restrict outbound ports to be used by Hazelcast enabled applications. To
# fulfill this requirement, you can configure Hazelcast to use only defined
# outbound ports. You can use port ranges and/or comma separated ports, e.g.
# 35000-35100 or 36001,