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NSE4 · Question #416

Which authentication methods does FortiGate support for firewall authentication? (Choose two.)

The correct answer is A. Remote Authentication Dial in User Service (RADIUS) C. Local Password Authentication. FortiGate supports Remote Authentication Dial-In User Service (RADIUS) and Local Password Authentication as methods for firewall authentication.

Submitted by takeshi77· Apr 18, 2026Firewall and Authentication

Question

Which authentication methods does FortiGate support for firewall authentication? (Choose two.)

Options

  • ARemote Authentication Dial in User Service (RADIUS)
  • BLightweight Directory Access Protocol (LDAP)
  • CLocal Password Authentication
  • DPOP3
  • ERemote Password Authentication

How the community answered

(26 responses)
  • A
    92% (24)
  • D
    4% (1)
  • E
    4% (1)

Why each option

FortiGate supports Remote Authentication Dial-In User Service (RADIUS) and Local Password Authentication as methods for firewall authentication.

ARemote Authentication Dial in User Service (RADIUS)Correct

RADIUS is a widely supported protocol that FortiGate can use to authenticate users against external RADIUS servers, providing centralized authentication for firewall access.

BLightweight Directory Access Protocol (LDAP)

While FortiGate can integrate with LDAP servers for authentication, LDAP is primarily a directory service protocol for data retrieval and authorization, making RADIUS a more direct 'authentication method' in some contexts.

CLocal Password AuthenticationCorrect

FortiGate allows administrators to create local user accounts with passwords directly on the device, enabling users to authenticate locally against the firewall for access.

DPOP3

POP3 is an email retrieval protocol and is not supported as an authentication method for FortiGate firewall policies.

ERemote Password Authentication

Remote Password Authentication is a generic term that encompasses specific protocols like RADIUS and LDAP, but is not a distinct method itself.

Concept tested: FortiGate firewall authentication methods

Source: https://docs.fortinet.com/document/fortigate/7.4.0/administration-guide/708544/external-authentication

Topics

#Firewall Authentication#RADIUS#Local Authentication#User Management

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