SERVER DIRECTORY / SAFE PING
伺服器目錄
瀏覽器不會直接連任意主機；Ping 只能進入 server-side validation 與 worker queue。
安全邊界
Private IP blockingIMPLEMENTED
Port allowlistIMPLEMENTED
DNS rebind validationIMPLEMENTED
Protocol ping adapterDEFERRED
RCONDISABLED
Phase 1 worker 會重新驗證並 pin 公開 IP；尚未對外發出真正 Minecraft protocol ping。