description-logo Description

This indicates detection of the Token frame in the FL-net protocol.
The FL-net network enables efficient data exchange and communication between PLC units and device from various manufacturers. A Token grants temporary permission to use media on the network, and is passed from one node to another.

affected-products-logoAffected Products

FL-net protocol

Impact logoImpact

Unexpected network communication

Technology

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

Behavior

  • Reasonable

Application Dependencies

Default Ports

  • TCP/55004
  • UDP/55000-55004

Version Updates

Date Version Detail
2019-02-05 14.542