Blocking streaming videos using ACLs.

Unanswered Question
Dec 20th, 2007
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Hi Experts,

We require to block all sorts of streaming videos from being viewed from the Internet in our network.

Please can someone advise if we need to block any specific port for this or is there any other way of doing it.

Thanks in advance.



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Overall Rating: 3.7 (3 ratings)
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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