zapret/init.d/openwrt/firewall.user.domru

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2016-02-26 11:09:31 +03:00
TPPORT=1188
TPWS_USER=daemon
. /lib/functions/network.sh
network_find_wan wan_iface
for ext_iface in $wan_iface; do
network_get_device DEVICE $ext_iface
# BLOCK SPOOFED DNS FROM DOMRU
iptables -t raw -C PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300
# DNAT for local traffic
iptables -t nat -C OUTPUT -p tcp --dport 80 -o $DEVICE -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT ||
iptables -t nat -I OUTPUT -p tcp --dport 80 -o $DEVICE -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
done
sysctl -w net.ipv4.conf.br-lan.route_localnet=1
iptables -t nat -C prerouting_lan_rule -p tcp --dport 80 -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT ||
iptables -t nat -I prerouting_lan_rule -p tcp --dport 80 -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT