Firefox must prevent the user from quickly deleting data.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-251562 | FFOX-00-000018 | SV-251562r987660_rule | CCI-002355 | medium |
| Description | ||||
| There should not be an option for a user to "forget" work they have done. This is required to meet non-repudiation controls. | ||||
| STIG | Date | |||
| Mozilla Firefox Security Technical Implementation Guide | 2025-02-11 | |||
Details
Check Text (C-251562r987660_chk)
Type "about:policies" in the browser address bar.
If "DisableForgetButton" is not displayed under Policy Name or the Policy Value is not "true", this is a finding.
Fix Text (F-54951r807157_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 Forget Button
Policy State: Enabled
macOS "plist" file:
Add the following:
<key>DisableForgetButton</key>
<true/>
Linux "policies.json" file:
Add the following in the policies section:
"DisableForgetButton": true