B. With IKEv1, aggressive mode negotiates faster than main mode.
E. With IKEv1, when using aggressive mode, the initiator and responder identities are passed in cleartext.
Explanation:
B. In IKEv1, aggressive mode negotiates faster than main mode because it requires fewer messages to establish the IKE SA (Security Association). However, aggressive mode in IKEv1 has been identified as less secure than main mode because it is more susceptible to attacks.
E. With IKEv1, when using aggressive mode, the initiator and responder identities are passed in cleartext, which can potentially expose sensitive information. In IKEv2, the identities are protected by encryption, providing an additional layer of security.
The given answers are correct.
https://www.omnisecu.com/tcpip/ikev1-main-aggressive-and-quick-mode-message-exchanges.php#:~:text=The%20first%20two%20messages%20in%20Aggressive%20mode%20exchange%20include%20almost%20everything%20required%20to%20form%20IKE%20SA.%20IKEv1%20Phase1%20Aggressive%20Mode%20is%20quicker%20than%20Main%20Mode%2C%20but%20endpoint%20identities%20are%20exchanged%20in%20Clear%2DText.
answer is correct, A is wrong, IKE_SA_INIT is IKE V2 Packet
upvoted 3 times
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