firmware/src/packages/fff/fff-node/files/usr/lib/firewall.d/31-node-dhcpv6

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407 B
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nft -f - <<__EOF
table bridge filter {
chain INPUT {
# Erlaube nur DHCPv6 Antworten von BATMAN -> KNOTEN
# -p IPv6 --ip6-proto udp --ip6-dport 546 -j IN_ONLY
ether type ip6 udp dport 546 counter jump IN_ONLY
}
chain OUTPUT {
# Erlaube nur DHCPv6 Request von KNOTEN -> BATMAN
# -p IPv6 --ip6-proto udp --ip6-dport 547 -j OUT_ONLY
ether type ip6 udp dport 547 counter jump OUT_ONLY
}
}
__EOF