[Mozilla Enterprise] Firefox Configuration Confusion - Need to Secure Firefox

[Eddie Rowe]

Given Mozilla's decision to turn on DNS over HTTPS we have to secure Firefox to disable this type of nonsense or remove it from every PC in the next two weeks.  Chrome is configured through an easy to manage GPO which leverages other really smart people who have created a security baseline along with preconfigured GPOs, while Firefox does not seem to have this level of support.

Assuming a  person is new to Firefox, exactly what are we supposed to modify to setup things securely?  I see references to things going into Mozilla.cfg, policies.json, GPO, autoconfig.js...I probably missed a file too.  I see people helpfully answering a question and telling the person to go to https://developer.mozilla.org/en-US/Firefox/Enterprise_deployment for the answer to their question, but there are just more links there.  I see people posting to not to bother with GPO because all the options are not there, but other say there are GPO settings that are no elsewhere... I see references that one thing is set one place, another place overrides...  I see one document say the autoconfig.js file goes into the folder where Firefox is installed, but the same document says it does into a subfolder...  I see references to setting preferences in the policies.json file, but I thought Mozilla.cfg was to be used for this?  Finally I see mention that there are preferences that are set in the source code that are not exposed to about:config?

Surely there is a simple one page document that walks you through this so we can spend a LIMITED amount of time sorting this out???

https://www.zdnet.com/article/mozilla-to-gradually-enable-dns-over-https-for-firefox-us-users-later-this-month/ - Ready or not, here comes DNS over HTTPS to bypass all security you have using DNS to block dangerous sites.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.mozilla.org/pipermail/enterprise/attachments/20190908/0547f9f2/attachment.html>