FFOX-00-000022 - Firefox network prediction must be disabled.

Information

If network prediction is enabled, requests to URLs are made without user consent. The browser should always make a direct DNS request without prefetching occurring.

Solution

Windows group policy:
1. Open the group policy editor tool with 'gpedit.msc'.
2. Navigate to Policy Path: Computer ConfigurationAdministrative TemplatesMozillaFirefox
Policy Name: Network Prediction
Policy State: Disabled

macOS 'plist' file:
Add the following:
<key>NetworkPrediction</key>
<false/>

Linux 'policies.json' file:
Add the following in the policies section:
'NetworkPrediction': false

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R5_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7a., CAT|II, CCI|CCI-000381, Rule-ID|SV-251566r879587_rule, STIG-ID|FFOX-00-000022, Vuln-ID|V-251566

Plugin: Unix

Control ID: e076e8bf57fa1def769a095017081fc3b6b0fc2727ad13c5d793a526b986f403