iptables 使用

1.开启端口映射

添加filter 表的forward链

iptables -I FORWARD -m state -d 192.168.122.0/24 --state NEW,RELATED,ESTABLISHED -j ACCEPT

添加nat 表的prerouting链

iptables -t nat -I PREROUTING -p tcp --dport 1433 -j DNAT --to-destination 192.168.122.100:9200