GIAC Exam GCED Topic 4 Question 7 Discussion

Actual exam question for GIAC's GIAC Certified Enterprise Defender exam

Question #: 7
Topic #: 4

[All GIAC Certified Enterprise Defender Questions]

When running a Nmap UDP scan, what would the following output indicate?

AThe port may be open on the system or blocked by a firewall

BThe router in front of the host accepted the request and sent a reply

CAn ICMP unreachable message was received indicating an open port

DAn ACK was received in response to the initial probe packet

Show Suggested Answer

Suggested Answer: A

When Nmap shows an ''open filtered'' response for the scan results, this indicates a couple of different reasons. The port could be open but a firewall could be blocking the use ACK flags; only TCP packets do.

by Wynell at May 08, 2022, 06:29 PM

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