/sbin/iptables -N CUSTOMOUTPUT
/sbin/iptables -A OUTPUT -j CUSTOMOUTPUT
/sbin/iptables -N OUTGOINGFW
+ /sbin/iptables -N OUTGOINGFWMAC
/sbin/iptables -A OUTPUT -j OUTGOINGFW
/sbin/iptables -t nat -N CUSTOMPREROUTING
/sbin/iptables -t nat -A PREROUTING -j CUSTOMPREROUTING
# Outgoing Firewall
/sbin/iptables -A FORWARD -j OUTGOINGFW
+ /sbin/iptables -A FORWARD -j OUTGOINGFWMAC
+ /sbin/iptables -A INPUT -j OUTGOINGFWMAC
# localhost and ethernet.
/sbin/iptables -A INPUT -i lo -m state --state NEW -j ACCEPT