Question
Download Solution PDF_________ mode is used whenever either end of the security association is a security gateway.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Tunnel.
Key Points
- Tunnel mode is deployed whenever one end of a security association involves a gateway.
- This mode is mandatory between two firewalls to ensure secure communication.
- For instance, two security gateways can establish an ESP (Encapsulated Security Payload) tunnel.
- The purpose of this tunnel is to safeguard all data transferred between the networks linked by the gateways.
- Essentially, tunnel mode encrypts the entire IP packet, including the original headers, for secure transit between networks.
- As a result, tunnel mode is a cornerstone for securing inter-network communications.
Last updated on Mar 27, 2025
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