I'm aware of this setting, and choosing to disable auto updates where Firefox let's you choose to update can be done in the preferences pane. What I meant is t

I'm aware of this setting, and choosing to disable auto updates where Firefox let's you choose to update can be done in the preferences pane. What I meant is that if you remove all references to `mozilla.org` you still receive updates as though they hard-coded the Mozilla URL because they really don't want people disabling updates.