kvm | 포트포워딩 nat iptables -I FORWARD -m state -d 192.168.140.0/24(가상머신대역) --state NEW,RELATED,ESTABLISHED -j ACCEPT iptables -t nat -A PREROUTING -p tcp -d 172.17.128.17 --dport 2022 -j DNAT --to-destination 192.168.140.10:22(가상머신) OS 2023.06.20