MODBUS/TCP 'CANopen' Function Code Detection

info Nessus Network Monitor Plugin ID 7104

Synopsis

The MODBUS/TCP client is transporting the CANopen protocol.

Description

The MODBUS/TCP client is transporting the CANopen protocol. Function code 43 (0x2B) and subfunction code 13 (0x0D) indicate that the CANopen protocol is encapsulated in MODBUS.

Solution

N/A

Plugin Details

Severity: Info

ID: 7104

Version: 1.0

Family: SCADA

Published: 2/26/2014

Updated: 8/16/2018