FFOX-00-000019 - Firefox private browsing must be disabled.

Information

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.

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
Policy Name: Disable Private Browsing
Policy State: Enabled

macOS 'plist' file:
Add the following:
<key>DisablePrivateBrowsing</key>
<true/>

Linux 'policies.json' file:
Add the following in the policies section:
'DisablePrivateBrowsing': true

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R3_STIG.zip

Item Details

References: CAT|II, CCI|CCI-000381, Rule-ID|SV-251563r807161_rule, STIG-ID|FFOX-00-000019, Vuln-ID|V-251563

Plugin: Windows

Control ID: 39cd504ec657d167cd746389cf5ae2c17407197f9c3527db473ea11d926d1df2