1.0
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modules/nftables.conf
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30
modules/nftables.conf
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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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# 1. Autoriser le trafic interne (loopback)
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iif "lo" accept
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# 2. Autoriser les connexions déjà établies (réponses au trafic sortant)
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ct state established,related accept
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# 3. Autoriser le SSH (Port 22) - À adapter si tu as changé le port
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tcp dport 22 accept
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# 4. Autoriser le Ping (optionnel mais utile pour le diagnostic)
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icmp type echo-request accept
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icmpv6 type echo-request accept
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# 5. Optionnel : Autoriser MariaDB (Port 3306)
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# Uniquement si d'autres serveurs doivent se connecter à la DB
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# tcp dport 3306 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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