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Why is the policy "EnableMediaRouter" being ignored (also command line flag "--disable-webrtc" 0 Recommended Answers 5 Replies 9 Upvotes
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Last edited 6/14/19
I have created "policies/managed/stopwebrtc.json ({ "EnableMediaRouter": false })" under: 
-- /etc/opt/chrome/
-- /etc/chromium-browser/
-- /opt/google/
-- /opt/google/chrome/
-- /usr/lib/chromium-browser/
When I export the active policies as json, it shows that "      "EnableMediaRouter": {
         "level": "mandatory",
         "scope": "machine",
         "source": "sourcePlatform",
         "value": false
In the command line of the desktop link, the flag "--disable-webrtc" is set. 

However, when checking network traffic with chrome being open, it shows you are sending information to "".

Other polices in the json are being respected by the browser !????

In Europe this is a BIG issue concerning data privacy and could get my business in trouble to the extent of 4% of our global turnover before tax, for which we will hold you liable.

I will have to have an answer for our management and legal services before the close og business Fri 2019-05-17 cob (Romanian time).

Best regards,
All Replies (5)
It does not show that traffic is being sent to the address and that it potentially has been halted.  However, If a policy is not posting properly. Your syntax could be off. I would recommending looking over  this documentation on policies and preferences.
Last edited 6/18/19
marked this as an answer
Dear Aaron,
Are you human? 
What do you mean, it does not show that traffic is being sent. It shows clearly that chrome, with program id 2105 is sending network packs to on port 5353. This address is only used by chrome on my computer and only when chrome is open. I had followed the link you sent me, to the letter, how else do you think I was able to set the policy?
So no, it doesn't answer my question, and on your own chrome://policy it shows clearly that "EnableMediaRouter" has the value "false" with status "OK".
The question remains, why is Chrome sending information to when the policies/flags and command-line options have all been activated so that it shouldn't.
Last edited 6/18/19
marked this as an answer
No answer from Google, utterly disappointed by their customer service
Last edited 6/18/19
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customer service?  they serve the NSA/FBI/CIA/DIA ... not peeps like us dude.
marked this as an answer
There are literally hundreds of different Linux distributions so it can be difficult for us to reproduce the issue. What is the uname -a of your Linux distro?

Can you list the files and file contents of this directory?

If you have access to a Windows or Mac machine, and you set the policies, does the same error occur?

Before you begin
Google recommends that you use at least 2 configuration files:
  • managed_policies.json—for policies that can only be set or modified by an administrator.
  • recommended_policies.json—for recommended policies that can be overwritten by a user.
Be careful not to set the same policy in more than one file. If you do, it’s unclear which of the values you specify will be applied.
Last edited 8/17/19
marked this as an answer
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