FL-net

Description

This indicates detection of the FL-net protocol.
FL-net (also known as FA link protocol) is an open network protocol developed and standardized by the Japan Electrical Manufacturers' Association (JEMA), in cooperation with several other Japanese manufacturing associations. The FL-net network enables efficient data exchange and communication between PLC units and device from various manufacturers.

Affected Products

FL-net protocol

Impact

Unexpected network communication

Technology

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

Behavior

• Reasonable

Default Ports

• TCP/55004
• UDP/55000-55004

References

• https://www.jema-net.or.jp/English/businessfields/standarization/opcn/
• https://www.jema-net.or.jp/Japanese/standard/opcn/pdf/JEM_1479e(20120927).pdf