docker iptables part 2

http://sueboy.blogspot.com/2018/11/docker-iptables_12.html

sudo iptables -vnL

======NAT=====

sudo iptables -t nat -vnL

顯示行數
sudo iptables -t nat -L POSTROUTING  -n –line-numbers

-D 刪除那行
sudo iptables -t nat -D POSTROUTING x     x is which line delete

確認docker網段補上
sudo iptables -t nat -A POSTROUTING -s 172.19.0.0/16 ! -o docker0 -j MASQUERADE