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Question 139 - CAS-004 discussion

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A security engineer is hardening a company's multihomed SFTP server. When scanning a public-facing network interface, the engineer finds the following ports are open:

22

25

110

137

138

139

445

Internal Windows clients are used to transferring files to the server to stage them for customer download as part of the company's distribution process.

Which of the following would be the BEST solution to harden the system?

A.
Close ports 110, 138, and 139. Bind ports 22, 25, and 137 to only the internal interface.
Answers
A.
Close ports 110, 138, and 139. Bind ports 22, 25, and 137 to only the internal interface.
B.
Close ports 25 and 110. Bind ports 137, 138, 139, and 445 to only the internal interface.
Answers
B.
Close ports 25 and 110. Bind ports 137, 138, 139, and 445 to only the internal interface.
C.
Close ports 22 and 139. Bind ports 137, 138, and 445 to only the internal interface.
Answers
C.
Close ports 22 and 139. Bind ports 137, 138, and 445 to only the internal interface.
D.
Close ports 22, 137, and 138. Bind ports 110 and 445 to only the internal interface.
Answers
D.
Close ports 22, 137, and 138. Bind ports 110 and 445 to only the internal interface.
Suggested answer: A
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asked 02/10/2024
Tural Pashayev
28 questions
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