!/bin/sh
### habilita o encaminhamento de pacotes no linux ###
echo "1" > /proc/sys/net/ipv4/ip_forward
### habilita nat na interface eth0 ###
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
### Permite q as conex�es voltem ###
iptables -t filter -A FORWARD -p tcp -m state --state ESTABILISHED,RELATED -j ACCEPT
### libera portas ###
iptables -A INPUT -p tcp --destination-port 25 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 110 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 21 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 20 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 4662 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 4661 -j ACCEPT
iptables -A INPUT -p tcp --destination-port 31254 -j ACCEPT