`tcpdump -i pppoe-wan -nn -A 'tcp dst port 8001'` 查看拦截的包个数 `iptables -t raw -L PREROUTING -n -v`
tcpdump -i pppoe-wan -nn -A 'tcp dst port 8001'查看拦截的包个数
iptables -t raw -L PREROUTING -n -v