cluster configuration

Lets see how much effort it is going to take to convert this configuration to entirely different firewall platform – PF on OpenBSD. There are different ways to do this. I could make a copy of each member firewall (linux-test-1 and linux-test-2), set platform and host OS in the copy to PF and OpenBSD and then create new cluster object. This would be a sensible way because it preserves old objects which helps to roll back in case something does not work out. However, to make the explanation shorter, I am going to make the changes in place by modifying existing objects.

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Now that all objects are ready and heartbeat is configured on the machines, we can move on and build some firewall rules. Since this is a cluster configuration, all rules go into the rule set objects that belong to the cluster rather than its member firewalls.

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