Untrusted intranet zone access to Project servers must not be allowed.

Severity	Group ID	Group Title	Version	Rule ID	Date	STIG Version
medium	V-70727	SRG-APP-000210	DTOO346	SV-85351r1_rule	2016-11-02	1

Description
Allows users to access Project Server Web sites and Workspaces that have not been added to their trusted internet zones. If you enable this setting, users can access Project Server and Microsoft SharePoint Foundation sites that are not in their trusted internet zones. If this setting is disabled or not configured, users are required to add the Project Server and Microsoft SharePoint Foundation sites to their trusted internet site zones.

Description

Allows users to access Project Server Web sites and Workspaces that have not been added to their trusted internet zones. If you enable this setting, users can access Project Server and Microsoft SharePoint Foundation sites that are not in their trusted internet zones. If this setting is disabled or not configured, users are required to add the Project Server and Microsoft SharePoint Foundation sites to their trusted internet site zones.

ℹ️ Check
Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Project 2016 -> Project Options -> Security "Enable untrusted intranet zone access to Project server" is set to "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\ms project\security Criteria: If the value TrustWSS is REG_DWORD = 0, this is not a finding.

ℹ️ Check

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Project 2016 -> Project Options -> Security "Enable untrusted intranet zone access to Project server" is set to "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\16.0\ms project\security Criteria: If the value TrustWSS is REG_DWORD = 0, this is not a finding.

✔️ Fix
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Project 2016 -> Project Options -> Security "Enable untrusted intranet zone access to Project server" to "Disabled".