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NSE4 · Question #420

Regarding the use of web-only mode SSL VPN, which statement is correct?

The correct answer is C. It requires the user to have a web browser that suppports 64-bit cipher length. Web-only mode SSL VPN relies on the user's web browser supporting the necessary encryption cipher lengths to establish a secure connection.

Submitted by yuriko_h· Apr 18, 2026VPN and ZTNA

Question

Regarding the use of web-only mode SSL VPN, which statement is correct?

Options

  • AIt support SSL version 3 only.
  • BIt requires a Fortinet-supplied plug-in on the web client.
  • CIt requires the user to have a web browser that suppports 64-bit cipher length.
  • DThe JAVA run-time environment must be installed on the client.

How the community answered

(27 responses)
  • A
    4% (1)
  • C
    89% (24)
  • D
    7% (2)

Why each option

Web-only mode SSL VPN relies on the user's web browser supporting the necessary encryption cipher lengths to establish a secure connection.

AIt support SSL version 3 only.

Modern SSL VPNs utilize secure TLS versions (like 1.2 or 1.3), not solely the outdated and vulnerable SSL version 3.

BIt requires a Fortinet-supplied plug-in on the web client.

Web-only mode is clientless and typically does not require a Fortinet-supplied plug-in, unlike tunnel mode SSL VPN which often uses FortiClient.

CIt requires the user to have a web browser that suppports 64-bit cipher length.Correct

Web-only SSL VPN establishes an encrypted session directly through the user's web browser, requiring the browser to support the specific cipher lengths (e.g., 64-bit or higher) and TLS versions negotiated for a secure connection to the FortiGate.

DThe JAVA run-time environment must be installed on the client.

The JAVA run-time environment is not a requirement for web-only SSL VPN, as this mode leverages native browser capabilities rather than Java applets.

Concept tested: FortiGate SSL VPN Web-only mode requirements

Source: https://docs.fortinet.com/document/fortigate/7.4.0/administration-guide/339482/ssl-vpn

Topics

#SSL VPN#Web-only mode#Client requirements#Browser security

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