Online audio/video streaming can consume most of your bandwidth. To save your bandwidth, you might want to block online steaming traffic on your network.

Generally speaking, online streaming can run on different protocols:
1. Video websites, like youtube. You can watch video directly on the webpages.
2. Standard Real Time Streaming Protocol(RTSP).
3. P2P based streaming products, like pplive, ppstream.
4. Video downloading websites.

Therefore, for complete blocking of video streaming, you need to block all above video traffic. 

First, block “streaming” category websites:

Second, block downloading of video files:

Third, blocking RTSP and other online streaming protocols:

More information, please check “protocols supported by WFilter”.
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