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NSE4 · Question #503

In FortiOS session table output, what is the correct `proto_state' number for an established, non- proxied TCP connection?

The correct answer is C. 01. In the FortiOS session table output, the proto_state number '01' indicates an established, non-proxied TCP connection.

Submitted by layla.eg· Apr 18, 2026Logging and Monitoring

Question

In FortiOS session table output, what is the correct `proto_state' number for an established, non- proxied TCP connection?

Options

  • A00
  • B11
  • C01
  • D05

How the community answered

(49 responses)
  • A
    2% (1)
  • C
    94% (46)
  • D
    4% (2)

Why each option

In the FortiOS session table output, the `proto_state` number '01' indicates an established, non-proxied TCP connection.

A00

'00' typically represents an initial or unestablished state for a TCP connection.

B11

'11' is not a standard `proto_state` for a simple established non-proxied TCP connection in FortiOS.

C01Correct

In FortiOS session tables, the `proto_state` value '01' signifies an established TCP connection that is not undergoing proxy inspection, meaning the TCP handshake is complete and data transfer can occur.

D05

'05' is not a standard `proto_state` for a simple established non-proxied TCP connection in FortiOS.

Concept tested: FortiOS session table TCP proto_state

Source: https://docs.fortinet.com/document/fortigate/7.4.0/cli-reference/562388/diagnose-sys-session-list

Topics

#FortiOS CLI#Session Table#TCP States#Diagnostic Commands

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