AgentCC@tg says to 電訊台
/sbin/iptables -A FORWARD -i ppp0 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT /sbin/iptables -A FORWARD -i ppp1 -o eth0:1 -m state --state RELATED,ESTABLISHED -j ACCEPT /sbin/iptables -A FORWARD -i ppp2 -o eth0:2 -m state --state RELATED,ESTABLISHED -j ACCEPT /sbin/iptables -A FORWARD -i ppp3 -o eth0:3 -m state --state RELATED,ESTABLISHED -j ACCEPT