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@ -23,6 +23,10 @@ iptables -N forwarding_rule
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iptables -t nat -N prerouting_rule
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iptables -t nat -N postrouting_rule
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iptables -N LAN_ACCEPT
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[ -z "$WAN" ] || iptables -A LAN_ACCEPT -i "$WAN" -j RETURN
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iptables -A LAN_ACCEPT -j ACCEPT
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### INPUT
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### (connections with the router as destination)
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@ -38,7 +42,7 @@ iptables -t nat -N postrouting_rule
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iptables -A INPUT -j input_rule
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# allow
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iptables -A INPUT ${WAN:+-i \! $WAN} -j ACCEPT # allow from lan/wifi interfaces
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iptables -A INPUT -j LAN_ACCEPT # allow from lan/wifi interfaces
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iptables -A INPUT -p icmp -j ACCEPT # allow ICMP
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iptables -A INPUT -p gre -j ACCEPT # allow GRE
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