#!/bin/bash
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -F
iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.175.0/24 -o wlan0 -j MASQUERADE

iptables -P FORWARD -j ACCEPT
iptables -P INPUT -j ACCEPT
iptables -P OUTPUT -j ACCEPT

iptables-save > /etc/iptables-rules
iptables-restore < /etc/iptables-rules
iptables -L