VIAaaS is the Minecraft plugin ViaVersion made standalone as a proxy.
More information is available here: https://github.com/ViaVersion/VIAaaS
The minecraft server requires a single port for access (default 25565), and one TCP port 25543, to be used for HTTPS and WebSocket connections.
| Port | default |
|---|---|
| Game | 25565 |
| WS & HTTPS | 25543 |