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Firefox private browsing must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-251563 | FFOX-00-000019 | SV-251563r807161_rule | Medium |
| Description |
|---|
| Private browsing allows the user to browse the internet without recording their browsing history/activity. From a forensics perspective, this is unacceptable. Best practice requires that browser history is retained. |
| STIG | Date |
|---|---|
| Mozilla Firefox Security Technical Implementation Guide | 2021-12-01 |
Details
| Check Text ( C-54998r807159_chk ) |
|---|
| Type "about:policies" in the browser window. If "DisablePrivateBrowsing" is not displayed under Policy Name or the Policy Value is not "true", this is a finding. |
| Fix Text (F-54952r807160_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 Private Browsing Policy State: Enabled macOS "plist" file: Add the following: Linux "policies.json" file: Add the following in the policies section: "DisablePrivateBrowsing": true |