20 lines
524 B
Plaintext
20 lines
524 B
Plaintext
nft -f - <<__EOF
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table bridge filter {
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chain MULTICAST_OUT {
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# Erlaube DHCP Requests
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# -p IPv4 --ip-proto udp --ip-dport 67 -j RETURN
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ether type ip udp dport 67 counter return
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}
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chain FORWARD {
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# Erlaube nur DHCP Request von CLIENT -> BATMAN
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# -p IPv4 --ip-proto udp --ip-dport 67 -j OUT_ONLY
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ether type ip udp dport 67 counter jump OUT_ONLY
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# Erlaube nur DHCP Antworten von BATMAN -> CLIENT
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# -p IPv4 --ip-proto udp --ip-dport 68 -j IN_ONLY
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ether type ip udp dport 68 counter jump IN_ONLY
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}
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}
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__EOF
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