Which mode of IPSec should you use to assure security and confidentiality of data within the same LAN?

The correct answer is D. ESP transport mode. When transport mode is used, IPSec encrypts only the IP payload. Transport mode provides the protection of an IP payload through an AH or ESP header. Encapsulating Security Payload (ESP) provides confidentiality (in addition to authentication, integrity, and anti-replay protectio

Cryptography

Question

Options

AAH permiscuous
BESP confidential
CAH Tunnel mode
DESP transport mode

How the community answered

(13 responses)

A
8% (1)
C
23% (3)
D
69% (9)

Explanation

When transport mode is used, IPSec encrypts only the IP payload. Transport mode provides the protection of an IP payload through an AH or ESP header. Encapsulating Security Payload (ESP) provides confidentiality (in addition to authentication, integrity, and anti-replay protection) for the Incorrect Answers: B: Authentication Header (AH) provides authentication, integrity, and anti-replay protection for the entire packet (both the IP header and the data payload carried in the packet). It does not provide confidentiality, which means that it does not encrypt the data. https://technet.microsoft.com/en-us/library/cc739674(v=ws.10).aspx

Topics

#IPSec#ESP transport mode#LAN security#network encryption

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