Firefox Studies must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-252909 | FFOX-00-000039 | SV-252909r960963_rule | CCI-000381 | medium |
| Description | ||||
| Studies try out different features and ideas before they are released to all Firefox users. Testing beta software is not in the DoD user's mission. | ||||
| STIG | Date | |||
| Mozilla Firefox Security Technical Implementation Guide | 2025-02-11 | |||
Details
Check Text (C-252909r960963_chk)
Type "about:policies" in the browser address bar.
If "DisableFirefoxStudies" is not displayed under Policy Name or the Policy Value does not have a value of "true", this is a finding.
Fix Text (F-56312r832312_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 Firefox Studies
Policy State: Enabled
macOS "plist" file:
<key>DisableFirefoxStudies</key>
<true/>
Linux "policies.json" file:
Add the following in the policies section:
"DisableFirefoxStudies": true