Disabling the Firewall

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