Use of the QUIC protocol must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-246736	EDGE-00-000063	SV-246736r960963_rule		Medium

Description

QUIC is used by more than half of all connections from the Edge web browser to Google's servers, and this activity is undesirable in the DoD. If you enable this policy or don't configure it, the QUIC protocol is allowed. If you disable this policy, the QUIC protocol is blocked.

STIG	Date
Microsoft Edge Security Technical Implementation Guide	2024-09-13

Details

Check Text (C-50168r766827_chk)

The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Allow QUIC protocol" must be set to "Disabled".

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

If the value for "QuicAllowed" is not set to "REG_DWORD = 0", this is a finding.

Fix Text (F-50122r766828_fix)

Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Allow QUIC protocol" to "Disabled".