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Block Netflix Streaming

Posted on 2010-08-25
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Last Modified: 2013-12-07
I am trying to block Netflix streaming on my network. I need Netflix to be available, but need to block the streaming portion. A while back and entry for vo.llnwd.net was placed in the content filter to block it and that worked for a while. Now it is possible to stream again. I double checked and the entry is still in there.

Does anyone have any ideas on how to accomplish my goals?
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Question by:sailci
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by:clw3388
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you might try to block movielicense.netflix.com
This sight is responsible for providing the cookie/license needed to stream the video..

Course they may have changed it up..
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Author Comment

by:sailci
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I tried adding movielicense.netflix.com but still letting me stream. Looks like they did change things. I did notice the following in my temp inet files:

clientaccesspolicy.xml: https://agmoviecontrol.cloud.netflix.net/clientaccesspolicy.xml
and
clientaccesspolicy.xml: https://agmoviecontrol.netflix.com

I blocked both agmoviecontrol.cloud.netflix.net and agmoviecontrol.netflix.com to no avail

Any other thoughts?
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by:squigit
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When I brought up a netflix streaming movie, my proxy server reported these links.

"http://www.netflix.com/nccp/controller/2.7/playdata"
"http://www.netflix.com/nccp/controller/2.7/logblob"

and then

"http://www.netflix.com/WiPlayer?movieid=....." with a specific movie ID.
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Author Comment

by:sailci
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That is a bummer since if I block those I block netflix.com which I can't do. I had a feeling this was not going to be cut and dry with a quick solution.
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by:mahrens007
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what type of firewall do you have?
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Author Comment

by:sailci
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We use a SonicWall for content filtering
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by:mahrens007
Comment Utility
I know you probably want to block it through the content filter...but what about creating a fake DNS zone?

Open DNS MMC
Right click on Forward Lookup Zones
New Zone
Primary Zone
To all DNS servers
zone name netflix.com
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Author Comment

by:sailci
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The problem is I need to allow netflix.com but deny the streaming. I had it fixed before, but they have changed something and it looks like I am stuck without having the ability to just stop the streaming.
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by:mahrens007
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what about blocking movielicense.netflix.com ?  OR maybe some QOS on the network.
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by:clw3388
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movielicense.netflix.com sets a cookie.. Did you clear your cookies after blocking it? This method really should work..
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Accepted Solution

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sailci earned 0 total points
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yes, I did try that, but it did not solve the problem. because I cannot block netflix.com, I have someone else here working on this to see if blocking movielicense.netflix.com will work. I do not think there is much we can do at this point as it is just a content filter that I have to work with, I am pretty sure blocking out movielicesnse.netflix.com will also prohibit netflix in general but could most definitely be wrong.
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Author Closing Comment

by:sailci
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No solutions worked in my case, although it would seem they would. I have turned the issue over to someone else in my organization.
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