#!/bin/bash

iptables -F
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -A INPUT --protocol tcp -j ACCEPT
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -s 192.168.2.0/24  -i vmnet1 -j ACCEPT
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A PREROUTING -p tcp -i eth1 -j DNAT --to 192.168.2.128
iptables -A FORWARD -s 192.168.2.0/24 -i vmnet1 -p tcp -j ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.2.0 -o eth1 -j MASQUERADE

iptables -L -n