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Network prediction must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-235728 EDGE-00-000011 SV-235728r766845_rule Medium
Description
Enables network prediction and prevents users from changing this setting. This controls DNS prefetching, TCP and SSL pre-connection, and pre-rendering of web pages. If this policy is not configured, network prediction is enabled but the user can change it. Policy options mapping: - NetworkPredictionAlways (0) = Predict network actions on any network connection. - NetworkPredictionWifiOnly (1) = Not supported; if this value is used it will be treated as if "Predict network actions on any network connection" (0) was set. - NetworkPredictionNever (2) = Do not predict network actions on any network connection.
STIG Date
Microsoft Edge Security Technical Implementation Guide 2022-06-17

Details

Check Text ( C-38947r766844_chk )
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Enable network prediction" must be set to "Enabled" with the option value set to "Don't predict network actions on any network connection".

Use the Windows Registry Editor to navigate to the following key:
HKLM\SOFTWARE\Policies\Microsoft\Edge

If the value for NetworkPredictionOptions is not set to "REG_DWORD = 2", this is a finding.
Fix Text (F-38910r626381_fix)
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Enable network prediction" to "Enabled" with the option value set to "Don't predict network actions on any network connection".