The Application Protocol Multiplexer is a tool that allows you to forward TCP or UDP traffic to different addresses based on regex pattern matching in the first packet sent by the client.

应用协议复用器是一种工具，它允许您根据客户端发送的第一个数据包中的正则表达式模式匹配，将 TCP 或 UDP 流量转发到不同的地址。

Discussion: https://www.v2ex.com/t/943547