$ firewall-cmd --add-forward-port=port=80:proto=tcp:toport=8080 --permanent
$ firewall-cmd --permanent --direct --add-rule ipv4 nat OUTPUT 0 -p tcp -o lo --dport 80 -j REDIRECT --to-port 8080
$ firewall-cmd --reload
포트포워딩 상태 체크 명령어
sudo iptables -t nat -vnL