KEY=$1
ETUN1=natx$KEY
-# Remove iptables rules
-/sbin/iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
-/sbin/iptables -D FORWARD -i eth0 -o $ETUN1 -m state --state RELATED,ESTABLISHED -j ACCEPT
-/sbin/iptables -D FORWARD -i $ETUN1 -o eth0 -j ACCEPT
+iptables -t mangle -D PREROUTING -i $ETUN1 -j CONNMARK --set-mark $KEY
+
+ip rule del dev eth0 fwmark $KEY table $KEY
# Get rid of etun devices, only need name of one of them
-echo $ETUN1 > /sys/module/etun/parameters/delif
+ip link delete dev $ETUN1