30 lines
773 B
Text
30 lines
773 B
Text
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#!/usr/sbin/nft -f
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# Géré par Ansible (rôle durcissement) — ne pas modifier à la main.
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# Politique : tout est refusé en entrée sauf loopback, trafic déjà établi,
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# ICMP, et les ports {{ durcissement_ports_ouverts | join(', ') }}.
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flush ruleset
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table inet filter {
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chain input {
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type filter hook input priority 0; policy drop;
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iif lo accept
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ct state established,related accept
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ct state invalid drop
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ip protocol icmp accept
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meta l4proto ipv6-icmp accept
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tcp dport { {{ durcissement_ports_ouverts | join(', ') }} } accept
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}
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chain forward {
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type filter hook forward priority 0; policy drop;
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}
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chain output {
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type filter hook output priority 0; policy accept;
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}
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}
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