Pop-up Blocker must be enforced (Restricted Sites zone).

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-15530	DTBI500	SV-45284r1_rule	ECSC-1	Medium

Description
This policy setting allows you to manage whether unwanted pop-up windows appear. Pop-up windows that are opened when the end user clicks a link are not blocked. If you enable this policy setting, most unwanted pop-up windows are prevented from appearing. If you disable this policy setting, pop-up windows are not prevented from appearing. If you do not configure this policy setting, most unwanted pop-up windows are prevented from appearing.

Description

This policy setting allows you to manage whether unwanted pop-up windows appear. Pop-up windows that are opened when the end user clicks a link are not blocked. If you enable this policy setting, most unwanted pop-up windows are prevented from appearing. If you disable this policy setting, pop-up windows are not prevented from appearing. If you do not configure this policy setting, most unwanted pop-up windows are prevented from appearing.

STIG	Date
Microsoft Internet Explorer 10 Security Technical Implementation Guide	2014-01-07

Details

Check Text ( C-42631r1_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Use Pop-up Blocker" must be "Enabled", and "Enable" selected from the drop-down box. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value 1809 is REG_DWORD = 0, this is not a finding.

Check Text ( C-42631r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Use Pop-up Blocker" must be "Enabled", and "Enable" selected from the drop-down box.

Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4

Criteria: If the value 1809 is REG_DWORD = 0, this is not a finding.

Fix Text (F-38680r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Use Pop-up Blocker" to "Enabled", and select "Enable" from the drop-down box.