firmware/src/packages/fff/fff-node/files/usr/lib/firewall.d/35-mc-arp

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# Verbiete ARP Antworten an alle
ebtables -A MULTICAST_OUT -p ARP --arp-op Reply --arp-ip-src 0.0.0.0 -j DROP
# Verbiete ARP Requests an alle
ebtables -A MULTICAST_OUT -p ARP --arp-op Request --arp-ip-dst 0.0.0.0 -j DROP
# Erlaube alle anderen ARP's
ebtables -A MULTICAST_OUT -p ARP -j RETURN