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@ -5,7 +5,8 @@ ${FAILSAFE:+exit} |
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. /etc/functions.sh |
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. /etc/network.overrides |
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[ -e /etc/config/network] && . /etc/config/network |
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[ -e /etc/config/network ] && . /etc/config/network |
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WAN=$(nvram get wan_ifname) |
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LAN=$(nvram get lan_ifname) |
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@ -37,7 +38,7 @@ 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 -i \! $WAN -j ACCEPT # allow from lan/wifi interfaces |
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iptables -A INPUT ${WAN:+-i \! $WAN} -j 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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@ -81,7 +82,7 @@ iptables -t nat -N postrouting_rule |
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# allow |
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iptables -A FORWARD -i br0 -o br0 -j ACCEPT |
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iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT |
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[ -z "$WAN" ] || iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT |
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# reject (what to do with anything not allowed earlier) |
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# uses the default -P DROP |
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@ -89,7 +90,7 @@ iptables -t nat -N postrouting_rule |
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### MASQ |
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iptables -t nat -A PREROUTING -j prerouting_rule |
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iptables -t nat -A POSTROUTING -j postrouting_rule |
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iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE |
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[ -z "$WAN" ] || iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE |
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## USER RULES |
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[ -f /etc/firewall.user ] && . /etc/firewall.user |
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