To disable the firewall on each host in your cluster, perform the following steps on each host.

1. Save the existing iptables rule set.

   • iptables-save > /root/firewall.rules

2. Disable iptables.
   • RHEL compatible:

     sudo chkconfig iptables off
     sudo service iptables stop

   • SLES:

     sudo chkconfig SuSEfirewall2_setup off
     sudo rcSuSEfirewall2 stop

   • Ubuntu:

     service ufw stop