Firefox search suggestions must be disabled.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-251564 | SRG-APP-000141 | FFOX-00-000020 | SV-251564r960963_rule | 2026-05-08 | 6 |
Description
Search suggestions must be disabled as this could lead to searches being conducted that were never intended to be made.
ℹ️ Check
Type "about:policies" in the browser window.
If "SearchSuggestEnabled" is not displayed under Policy Name or the Policy Value is not "false", 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\Search
Policy Name: Search Suggestions
Policy State: Disabled
macOS "plist" file:
Add the following:
<key>SearchSuggestEnabled</key>
<false/>
Linux "policies.json" file:
Add the following in the policies section:
"SearchSuggestEnabled": false