GAQM Exam CPEH-001 Topic 5 Question 37 Discussion

Actual exam question for GAQM's CPEH-001 exam

Question #: 37
Topic #: 5

Exhibit

Study the log given in the exhibit,

Precautionary measures to prevent this attack would include writing firewall rules. Of these firewall rules, which among the following would be appropriate?

ADisallow UDP 53 in from outside to DNS server

BAllow UDP 53 in from DNS server to outside

CDisallow TCP 53 in form secondaries or ISP server to DNS server

DBlock all UDP traffic

Show Suggested Answer

Suggested Answer: B

You only want your or your ISP's outside DNS to be able to contact your inside DNS. All other traffic should be directed against the outside DNS.

by Kris at May 04, 2022, 05:00 PM

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