FCP_FGT_AD-7.4 · Question #35
Which two statements describe how the RPF check is used? (Choose two.)
The correct answer is A. The RPF check is run on the first sent packet of any new session. D. The RPF check is a mechanism that protects FortiGate and the network from IP spoofing attacks. The Reverse Path Forwarding (RPF) check is run on the first sent packet of any new session to ensure that the packet arrives on a legitimate interface. This check protects the network from IP spoofing attacks by verifying that a return route exists from the receiving interface…
Question
Which two statements describe how the RPF check is used? (Choose two.)
Options
- AThe RPF check is run on the first sent packet of any new session.
- BThe RPF check is run on the first reply packet of any new session.
- CThe RPF check is run on the first sent and reply packet of any new session.
- DThe RPF check is a mechanism that protects FortiGate and the network from IP spoofing attacks.
How the community answered
(29 responses)- A83% (24)
- B7% (2)
- C10% (3)
Explanation
The Reverse Path Forwarding (RPF) check is run on the first sent packet of any new session to ensure that the packet arrives on a legitimate interface. This check protects the network from IP spoofing attacks by verifying that a return route exists from the receiving interface back to the source IP address. If the route is invalid or not found, the packet is discarded.
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