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HPE7-A02 · Question #60

You manage AOS-10 APs with HPE Aruba Networking Central. A role is configured on these APs with the following rules: Allow UDP on port 67 to any destination Allow any to network 10.1.6.0/23 Deny any…

The correct answer is A. The traffic is permitted. Traffic Match Evaluation Order: The rules are processed in sequential order, and the first rule that matches is applied. The added rule only denies SSH traffic to 10.1.4.0/23. Since 10.1.11.42 is not within the 10.1.4.0/23 subnet, this rule does not apply. Next Matching Rule…

Troubleshooting and Monitoring Network Security

Question

You manage AOS-10 APs with HPE Aruba Networking Central. A role is configured on these APs with the following rules:

Allow UDP on port 67 to any destination Allow any to network 10.1.6.0/23 Deny any to network 10.1.0.0/16 + log Deny any to network 10.0.0.0/8 Allow any to any destination You add this new rule immediately before rule 2:

Deny SSH to network 10.1.4.0/23 + denylist What happens when a client assigned to this role sends SSH traffic to 10.1.11.42?

Options

  • AThe traffic is permitted.
  • BThe traffic is dropped and logged.
  • CThe traffic is dropped (without any logging or further action against the client).
  • DThe traffic is dropped, and the client is denylisted.

How the community answered

(20 responses)
  • A
    60% (12)
  • B
    5% (1)
  • C
    10% (2)
  • D
    25% (5)

Explanation

Traffic Match Evaluation Order: The rules are processed in sequential order, and the first rule that matches is applied. The added rule only denies SSH traffic to 10.1.4.0/23. Since 10.1.11.42 is not within the 10.1.4.0/23 subnet, this rule does not apply. Next Matching Rule: Rule 2 permits traffic to the 10.1.6.0/23 network, but this does not include 10.1.11.42. Rule 3 denies traffic to the broader 10.1.0.0/16 network and logs it. Since 10.1.11.42 falls under this range, this rule applies, and the traffic would be logged and dropped. Logging and Denylist Actions: The denylist action in the new rule only applies to SSH traffic to 10.1.4.0/23. Since the destination is outside that range, the denylist is not triggered.

Topics

#firewall rules#AOS-10#rule ordering#denylist

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