The User Authentication – Logon is not set properly for the Restricted Sites Zone.

Part of DTBI136-User Authentication - Logon - Restricted

Associated with IA controls: ECSC-1

SV-25641r1_rule The User Authentication – Logon is not set properly for the Restricted Sites Zone.

Vulnerability discussion

Care must be taken with user credentials and how automatic logons are performed and how default Windows credentials are passed to web sites.

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Fix text

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Logon options" will be set to “Enabled” and "Anonymous logon". Change the registry key HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1A00 to REG_DWORD = 196608 (decimal).

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