Important: For this item, you should ssh to the node net-exam-2 and complete all tasks on this node. Ensure that you return to the base node (hostname: node-1 ) when you have completed this item.

To prevent access to a privileged system from an unauthorized account on your shared system, reject all traffic to host net-exam-2 on port 432/TCP from a local user charles persistently.

Return to the base node upon completion.

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