Background submission of information to Mozilla must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-251558 | FFOX-00-000014 | SV-251558r879587_rule | Medium |
| Description |
| Firefox by default sends information about Firefox to Mozilla servers. There should be no background submission of technical and other information from DoD computers to Mozilla with portions posted publicly. |
| STIG | Date |
| Mozilla Firefox Security Technical Implementation Guide | 2023-06-05 |
Details
| Check Text (C-54993r807144_chk) |
| Type "about:policies" in the browser window. If "DisableTelemetry" is not displayed under Policy Name or the Policy Value is not "true", this is a finding. |
| Fix Text (F-54947r807145_fix) |
| Windows group policy: 1. Open the group policy editor tool with "gpedit.msc". 2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Mozilla\Firefox Policy Name: Disable Telemetry Policy State: Enabled macOS "plist" file: Add the following: <key>DisableTelemetry</key> <true/> Linux "policies.json" file: Add the following in the policies section: "DisableTelemetry": true |