Modbus Protocol

This page provides information on the Modbus Protocol detected by the Netify DPI engine. The protocol operates on TCP port 502 and UDP port 502, both officially registered with the IANA.

Protocol Description

Modbus is a serial communications protocol that has become the de facto standard for connecting industrial electronic devices. The protocol was originally published by Modicon (now Schneider Electric).

Please see the protocol catalog page for information on other protocols detected by Netify DPI.

Protocol Details

ID
44
Category Tag
infrastructure
Category
Infrastructure
Home Page
Modbus
Introduced
Version 2.88

Protocol Ports - RFC

TCP 502
Modbus Application Protocol
UDP 502
Modbus Application Protocol

Related Protocols

Review the Infrastructure category suite below, or explore the complete protocol catalog.