Permanently disable openHAB mDNS service

[Wolfgang_S]

This thread ( Disable mDNS responder? ) suggests to use:
a) a local firewall to block the port
b)

@splatch

Create or override a config file named org.openhab.mdns.cfg with contents enabled=false.
File might exist in one of common locations (look at userdata/etc or runtime/etc).