iptables示例
sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 443 -j REDIRECT --to-port 8443
firewalld示例
# allow incoming connections on port 80. # You can also use --add-service=http instead of adding a port number sudo firewall-cmd --add-port=80/tcp --permanent sudo firewall-cmd --permanent \ --add-forward-port=port=80:proto=tcp:toaddr=127.0.0.1:toport=8080 # allow incoming connections on port 443. # You can also use --add-service=https instead of adding a port number sudo firewall-cmd --add-port=443/tcp --permanent sudo firewall-cmd --permanent \ --add-forward-port=port=443:proto=tcp:toaddr=127.0.0.1:toport=8443 sudo firewall-cmd --reload
内容引用：
https://www.jenkins.io/doc/book/system-administration/reverse-proxy-configuration-iptables/
