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PowerScale OneFS 9.8.0.0 Web Administration Guide

Firewall rules

Firewall rules filter incoming network packets and define specific actions to take based on source network, source port, destination port, and protocol on the cluster.

The ordering of rules in a policy can make a difference in the outcome. Each rule in a policy has an integer ID. Rules are applied to a packet by ascending ID. Filtering stops at the first match. In general, you should order rules from most restrictive to least restrictive.

You can change the ordering of rules in a policy by editing the policy. The Web UI lists all the rules in indexed order and makes it convenient to rearrange them.


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