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@ -22,7 +22,8 @@ start() {
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iptables -N output_rule
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iptables -N forwarding_rule
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iptables -N forwarding_wan
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iptables -t nat -N NEW
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iptables -t nat -N prerouting_rule
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iptables -t nat -N prerouting_wan
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iptables -t nat -N postrouting_rule
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@ -99,11 +100,15 @@ start() {
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# uses the default -P DROP
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### MASQ
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iptables -t nat -A PREROUTING -m state --state NEW -j NEW
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iptables -t nat -A PREROUTING -j prerouting_rule
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[ -z "$WAN" ] || iptables -t nat -A PREROUTING -i "$WAN" -j prerouting_wan
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iptables -t nat -A POSTROUTING -j postrouting_rule
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[ -z "$WAN" ] || iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE
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iptables -t nat -A NEW -m limit --limit 50 --limit-burst 100 -j RETURN && \
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iptables -t nat -A NEW -j DROP
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## USER RULES
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[ -f /etc/firewall.user ] && . /etc/firewall.user
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[ -n "$WAN" -a -e /etc/config/firewall ] && {
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Felix Fietkau
18 years ago