NAT'ing ethernet to wifi

nat-wlan-to-eth.sh

#!/bin/bash

echo "1" > /proc/sys/net/ipv4/ip_forward

ifconfig eth0 192.168.200.1 netmask 255.255.255.0 up
/etc/init.d/isc-dhcp-server start

iptables --flush
iptables -t nat --flush
iptables -A FORWARD -i eth0 -o wlan0 -j ACCEPT
iptables -A FORWARD -i wlan0 -o eth0 -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A FORWARD -j LOG
iptables -t nat -A POSTROUTING -o wlan0 -s 192.168.200.0/24 -j MASQUERADE

route add default gw 192.168.1.1