IPTABLES="/sbin/iptables"
EXTIF="eth0"
INTIF="eth1"

$IPTABLES -P INPUT DROP
$IPTABLES -F FORWARD
$IPTABLES -A FORWARD -o tun0 -j ACCEPT
$IPTABLES -A FORWARD -i tun0 -j ACCEPT
$IPTABLES -P OUTPUT ACCEPT

#Allow related and established on all interfaces (input)
$IPTABLES -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

#Allow releated, established and ssh on $EXTIF. Reject everything else.
$IPTABLES -A INPUT -i $EXTIF -p tcp -m tcp --dport 22 --syn -j ACCEPT
$IPTABLES -A INPUT -i $EXTIF -j REJECT

#Allow related and established from $INTIF. Drop everything else.
$IPTABLES -A INPUT -i $INTIF -j DROP

#Allow http and https on other interfaces (input).
#This is only needed if authentication server is on same server as chilli
$IPTABLES -A INPUT -p tcp -m tcp --dport 80 --syn -j ACCEPT
$IPTABLES -A INPUT -p tcp -m tcp --dport 443 --syn -j ACCEPT

#Allow 3990 on other interfaces (input).
$IPTABLES -A INPUT -p tcp -m tcp --dport 3990 --syn -j ACCEPT

#Allow everything on loopback interface.
$IPTABLES -A INPUT -i lo -j ACCEPT

# Drop everything to and from $INTIF (forward)
# This means that access points can only be managed from ChilliSpot
$IPTABLES -A FORWARD -i $INTIF -j DROP
$IPTABLES -A FORWARD -o $INTIF -j DROP

#Enable NAT on output device
$IPTABLES -t nat -A POSTROUTING -o $EXTIF -j MASQUERADE

##Allow transparent proxy (wiboon 1/2)
$IPTABLES -A INPUT -p tcp -m tcp --dport 3128 --syn -j ACCEPT

##Allow transparent proxy (wiboon 2/2)

$IPTABLES -t nat -A PREROUTING -i tun0 -p tcp -m tcp --dport 3128 --syn -j DROP
$IPTABLES -t nat -A PREROUTING -i tun0 -p tcp -m tcp -d 10.50.0.0/16 --dport 80 -j RETURN
#$IPTABLES -t nat -A PREROUTING -i eth1 -p tcp -m tcp --dport 443 --syn -j DROP
$IPTABLES -t nat -A PREROUTING -i tun0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128