NSE4_FGT-7.0 · Question #146
Which three statements are true regarding session-based authentication? (Choose three.)
The correct answer is A. HTTP sessions are treated as a single user. C. It can differentiate among multiple clients behind the same source IP address. D. It requires more resources. Session-based authentication can differentiate multiple users behind a single IP by treating individual HTTP sessions as unique, although it consumes more resources than simpler IP-based methods.
Question
Which three statements are true regarding session-based authentication? (Choose three.)
Options
- AHTTP sessions are treated as a single user.
- BIP sessions from the same source IP address are treated as a single user.
- CIt can differentiate among multiple clients behind the same source IP address.
- DIt requires more resources.
- EIt is not recommended if multiple users are behind the source NAT
How the community answered
(25 responses)- A88% (22)
- B8% (2)
- E4% (1)
Why each option
Session-based authentication can differentiate multiple users behind a single IP by treating individual HTTP sessions as unique, although it consumes more resources than simpler IP-based methods.
In session-based authentication, each distinct HTTP session initiated by a user is generally tracked and treated as belonging to a single, authenticated user.
IP sessions from the same source IP address being treated as a single user is characteristic of IP-based authentication, not session-based authentication, which aims to differentiate users.
A key advantage of session-based authentication is its ability to distinguish and authenticate multiple individual clients or users that are sharing the same source IP address, for example, behind a NAT device.
Implementing and maintaining session-based authentication requires the FortiGate to manage more state information and perform more complex processing per session, thus consuming more system resources compared to basic IP-based authentication.
Session-based authentication is highly recommended and often necessary when multiple users are behind a source NAT, as it provides the granular control and individual user identification that IP-based authentication lacks in such scenarios.
Concept tested: FortiGate session-based authentication characteristics
Source: https://docs.fortinet.com/document/fortigate/7.4.0/administration-guide/526715/policy-based-authentication
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