服务器还需要端口554 (RTSP，实时流协议)用于quicktime流设置和控制。
The server also requires port 554 (RTSP, real-time streaming protocol) for QuickTime stream setup and control.
实时流协议rtsp是一个流媒体表示控制协议，用于控制具有实时特性的数据发送，但RTSP本身并不传输数据。
RTSP is a streaming media presentation control protocol used to manage the delivery of real-time data. It doesn't transfer streaming data by itself.
实时流协议rtsp是一个流媒体表示控制协议，用于控制具有实时特性的数据发送，但RTSP本身并不传输数据。
RTSP is a streaming media presentation control protocol used to manage the delivery of real-time data. It doesn't transfer streaming data by itself.
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