Blocking streaming videos using ACLs.

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1cmerchant Thu, 12/20/2007 - 12:56
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Many streaming video applications use RTP which uses TCP/UDP ports 554. Blocking these ports should prevent most of the undesired traffic, though I believe some applications are capable of using other ports as well.


dgahm Thu, 12/20/2007 - 16:27
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Most streaming video these days is tunneled through http TCP 80 making it very difficult to filter with ACLs or NBAR. Your best bet is using a proxy server with filtering capability. An example:

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