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Enable ARP support in nftable for outbound restriction in exam_mode

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This commit is contained in:
Raphael Dannecker 2025-12-17 18:50:16 +01:00
parent 194fbbc735
commit f89b113049
1 changed files with 6 additions and 4 deletions
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10
roles/lmn_exam/templates/no-way-out-nftable.j2
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@ -13,15 +13,17 @@ ${filterchain}
chain filterin_${interface} {
type filter hook ingress device ${interface} priority filter; policy drop;
ip saddr \$allowed_ipv4 accept
ip saddr ${gateway} accept;
ip saddr 255.255.255.255 accept;
ip saddr ${gateway} accept
ip saddr 255.255.255.255 accept
ether type arp accept
}
chain filterout_${interface} {
type filter hook egress device ${interface} priority filter; policy drop;
ip daddr \$allowed_ipv4 accept
ip daddr ${gateway} accept;
ip daddr 255.255.255.255 accept;
ip daddr ${gateway} accept
ip daddr 255.255.255.255 accept
ether type arp accept
}
EOF
)