Disable firewalld on Red Hat Enterprise Linux OpenStack Platform nodes

Updated -

The firewalld service must be disabled and replaced with iptables on Compute and OpenStack Networking nodes running Red Hat Enterprise Linux 7. This configuration is a prerequisite step for a successful Red Hat Enterprise Linux OpenStack Platform deployment.

Disable the firewalld service

1. Review the iptables rules defined in /etc/sysconfig/iptables

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