Background submission of information to Mozilla must be disabled.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-251558 | SRG-APP-000141 | FFOX-00-000014 | SV-251558r960963_rule | 2025-02-11 | 6 |
| 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. |
| ℹ️ Check |
|---|
| 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 |
|---|
| 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 |