We created a Firewall and its policies and rules in the previous recipes. The Neutron reference implementation uses iptables to provide FWaaS. As discussed earlier, FWaaS policies are implemented at the Routers. Neutron uses the Network's namespace to implement the Routers. In this recipe, we will fnd out how the Firewall policies and rules are converted to the iptables configuration by Neutron.
For this recipe, you will need the following information:
The following steps will show you how to view the Firewall rules on the Network node: