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Firefox must prevent the user from quickly deleting data.


Overview

Finding ID Version Rule ID IA Controls Severity
V-251562 FFOX-00-000018 SV-251562r807158_rule 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 2021-12-01

Details

Check Text ( C-54997r807156_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:
DisableForgetButton


Linux "policies.json" file:
Add the following in the policies section:
"DisableForgetButton": true