Detections
Analytics

FFOX-00-000017 - Firefox must be configured to not delete data upon shutdown.

Information

For diagnostic purposes, data must remain behind when the browser is closed. This is required to meet non-repudiation controls.

Solution

Windows group policy:
1. Open the group policy editor tool with "gpedit.msc".
2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Mozilla\Firefox\Clear data when browser is closed
Policy Name: Cache, Cookies, Download History, Form & Search History, Browsing History, Active Logins, Site Preferences, Offline Website Data
Policy State: Disabled
Policy Name: Locked
Policy State: Enabled

macOS "plist" file:
Add the following:
<key>SanitizeOnShutdown</key>
<dict>
 <key>Cache</key>
 <false/>
 <key>Cookies</key>
 <false/>
 <key>Downloads</key>
 <false/>
 <key>FormData</key>
 <false/>
 <key>History</key>
 <false/>
 <key>Sessions</key>
 <false/>
 <key>SiteSettings</key>
 <false/>
 <key>OfflineApps</key>
 <false/>
 <key>Locked</key>
 <true/>
</dict>

Linux "policies.json" file:
Add the following in the policies section:
"SanitizeOnShutdown": {
 "Cache": false,
 "Cookies": false,
 "Downloads": false,
 "FormData": false,
 "History": false,
 "Sessions": false,
 "SiteSettings": false,
 "OfflineApps": false,
 "Locked": true
}

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R8_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7a., CAT|II, CCI|CCI-000381, Rule-ID|SV-252881r960963_rule, STIG-ID|FFOX-00-000017, Vuln-ID|V-252881

Plugin: Unix

Control ID: 7183d9fc19fd03df213ad305939e0df6819c5855f7f80878669e253ca0c4b093