Modbus

Description

This indicates detection of the Modbus protocol.
Modbus is a serial communication protocol which is commonly used to connect industrial electronic devices. It is an application-layer messaging protocol, positioned at level 7 of the OSI model. It provides client/server communication between devices connected on different types of buses or networks.

Affected Products

Modbus protocol

Impact

Unexpected network communication

Technology

Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device

Behavior

• Reasonable

Default Ports

• TCP/502

References

• http://en.wikipedia.org/wiki/Modbus