Minecraft: Java Edition use a multicast address 224.0.2.60:4445 to discover intranet minecraft LAN games.
Just proxy the frp minecraft proxy to local host and every 1.5s send a UDP multicast message to this address to make a "magic" forward.
Due to the design of the Dart SDK, the ServerSocket.close() method does not close the existing connection, and the disconnection operation does not affect the players who have joined. For more information, please reference: dart-lang/sdk#54882
It's Chinese word "枝"'s pronounce in Japanese.
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