# Field nodes may only publish their own data and read their own commands
user farmnode
topic write kfs/farm/+/telemetry
topic write kfs/farm/+/status
topic write kfs/farm/+/health
topic read  kfs/farm/+/cmd

# The server / dashboard reads everything and sends commands
user dashboard
topic read  kfs/farm/#
topic write kfs/farm/+/cmd
