Resolve "execution des roles plus flexible"
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@@ -0,0 +1,7 @@
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[Unit]
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After=nftables.service
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PartOf=nftables.service
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[Service]
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ExecStartPre=nft add table inet filter
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ExecStartPre=nft add chain inet filter input { type filter hook input priority 0; policy accept; }
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@@ -0,0 +1,10 @@
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[DEFAULT]
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backend = systemd
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banaction = nftables-multiport
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# 92.154.111.181 - IP des bureaux de nereide
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ignoreip = 127.0.0.1 92.154.111.181
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findtime = 1h
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bantime = 1d
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maxretry = 3
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@@ -0,0 +1,35 @@
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#!/usr/sbin/nftables -f
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flush ruleset
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# family `inet` c'est pour ipv4/ipv6
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table inet myfilter {
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chain myglobal {
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# par défaut on accepte tous les paquets entrant
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type filter hook input priority 0; policy accept;
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# accepte les ping (mais pas plus de 1 par seconde)
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ip protocol icmp icmp type { echo-request, echo-reply } limit rate 1/second accept
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ip protocol icmp icmp type { echo-request, echo-reply } drop
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ip6 nexthdr icmpv6 icmpv6 type { echo-request, echo-reply } limit rate 1/second accept
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ip6 nexthdr icmpv6 icmpv6 type { echo-request, echo-reply } drop
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# on accepte tout le reste du traffic icmp
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ip protocol icmp accept
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ip6 nexthdr icmpv6 accept
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# accepte le traffic qui vient de nous
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ct state established,related accept
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ct state invalid drop
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# accepte le traffic localhost
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iif lo accept
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# accepte tout le traffic ssh peut importe l'origine
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tcp dport 22 accept
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# accepte le traffic tcp depuis le reste du monde si la cible est un des ports http, https, smtp
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tcp dport {80, 443} accept
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# ouvre les port udp I/O 10000 et 44446 pour jitsi
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udp dport {10000, 4446} accept
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udp sport {10000, 4446} accept
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# count and drop any other traffic
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counter drop
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}
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}
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