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domru dns spoof fix

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This commit is contained in:
bolvan 2018-02-07 14:29:13 +03:00
parent b4ef52194c
commit ad071a122d
3 changed files with 16 additions and 32 deletions
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18
init.d/debian7/zapret
View File

@ -74,14 +74,10 @@ case "$1" in
iptables -t nat -C OUTPUT -p tcp --dport 80 -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT 2>/dev/null ||
iptables -t nat -I OUTPUT -p tcp --dport 80 -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
# BLOCK SPOOFED DNS FROM DOMRU
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300
DAEMON=$TPWS
DAEMON_OPTS="--port=$TPPORT --hostcase --split-http-req=host --user=$TPWS_USER --bind-addr=127.0.0.1"
;;
@ -138,10 +134,8 @@ case "$1" in
sysctl -w net.ipv4.conf.$SLAVE_ETH.route_localnet=0
iptables -t nat -D PREROUTING -p tcp --dport 80 -i $SLAVE_ETH -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
iptables -t nat -D OUTPUT -p tcp --dport 80 -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300
DAEMON=$TPWS
;;
tiera|athome)

12
init.d/openwrt/firewall.user.domru
View File

@ -8,14 +8,10 @@ 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
iptables -t raw -C PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -i $DEVICE -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --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

18
init.d/ubuntu12/zapret.conf
View File

@ -46,14 +46,10 @@ pre-start script
iptables -t nat -C OUTPUT -p tcp --dport 80 -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 -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
# BLOCK SPOOFED DNS FROM DOMRU
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -C PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300 ||
iptables -t raw -I PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300
;;
tiera|athome)
adduser --disabled-login --no-create-home --system --quiet $TPWS_USER
@ -124,10 +120,8 @@ pre-stop script
sysctl -w net.ipv4.conf.$SLAVE_ETH.route_localnet=0
iptables -t nat -D PREROUTING -p tcp --dport 80 -i $SLAVE_ETH -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
iptables -t nat -D OUTPUT -p tcp --dport 80 -m owner ! --uid-owner $TPWS_USER -m set --match-set zapret dst -j DNAT --to 127.0.0.1:$TPPORT
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff164|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000064|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|5cfff16e|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00000000000000000000110|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|05030311|" --algo bm -j DROP --from 40 --to 300
iptables -t raw -D PREROUTING -p udp --sport 53 -m string --hex-string "|2a022698a00200010000000000030017|" --algo bm -j DROP --from 40 --to 300
;;
tiera|athome)
sysctl -w net.ipv4.conf.$SLAVE_ETH.route_localnet=0