#!/bin/sh

logger -t "($(basename $0))" $$ "Start"

ip route flush table 10
ip rule del table 10
ip rule del fwmark 10 table 10
ip route flush cache

tun_if="tun11"
tun_ip=$(ifconfig $tun_if | grep 'inet addr:'| cut -d: -f2 | awk '{ print $1}'

logger -t "($(basename $0))" $$ "CMD: ip route add default via $tun_ip dev $tun_if table 10"

ip route add default via $tun_ip dev $tun_if table 10
ip rule add fwmark 10 table 10

echo 0 > /proc/sys/net/ipv4/conf/$tun_if/rp_filter

iptables -t mangle -A PREROUTING -s 10.0.0.1 -p tcp -m multiport --port 25 -j MARK --set-mark 10

logger -t "($(basename $0))" $$ "End"

exit