[ Linux ] 將訪問 port 80 的 流量到 port 8080, 清除防火牆規則

sudo iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080


檢查port 80被哪支程式佔用

• sudo lsof -i :80 | grep LISTEN

清除iptables的規則

iptables -t nat -F

iptables -t nat -X

Reference
http://stackoverflow.com/questions/16573668/best-practices-when-running-node-js-with-port-80-ubuntu-linode

https://blog.longwin.com.tw/2013/12/linux-port-process-check-2013/

http://www.adminsehow.com/2009/08/how-to-clear-all-iptables-rules/