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@ -11,6 +11,9 @@ start() { |
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config_get WAN wan ifname |
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config_get WANDEV wan device |
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config_get LAN lan ifname |
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config_get LAN_MASK lan netmask |
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config_get LAN_IP lan ipaddr |
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LAN_NET=$(/bin/ipcalc.sh $LAN_IP $LAN_MASK | grep NETWORK | cut -d= -f2) |
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## CLEAR TABLES |
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for T in filter nat; do |
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@ -105,10 +108,8 @@ start() { |
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iptables -t nat -A PREROUTING -j prerouting_rule |
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[ -z "$WAN" ] || iptables -t nat -A PREROUTING -i "$WAN" -j prerouting_wan |
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iptables -t nat -A POSTROUTING -j postrouting_rule |
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### Only RFC1918 addresses |
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[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src 192.168.0.0/16 -o $WAN -j MASQUERADE |
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[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src 172.16.0.0/12 -o $WAN -j MASQUERADE |
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[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src 10.0.0.0/8 -o $WAN -j MASQUERADE |
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### Only LAN |
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[ -z "$WAN" ] || iptables -t nat -A POSTROUTING --src $LAN_NET/$LAN_MASK -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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