Port Forwarding Command Generator
填好地址和端口，直接复制对应平台的命令。支持一次填多条规则，Linux/macOS 会连开机自启的服务配置一起生成。用法和常见坑见博文《端口转发实战：Windows netsh、Linux socat 与 macOS》。
Fill in the addresses and ports, then copy the commands for your platform. Multiple rules at a time are supported, and the Linux/macOS tabs also generate the service files that survive a reboot. Background and pitfalls in the post Port Forwarding on Windows, Linux and macOS.