Turn off Encryption Support must be enabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-46473	DTBI014-IE11	SV-59337r4_rule	ECSC-1	Medium

Description
This parameter ensures only DoD-approved ciphers and algorithms are enabled for use by the web browser by allowing you to turn on/off support for TLS and SSL. TLS is a protocol for protecting communications between the browser and the target server. When the browser attempts to set up a protected communication with the target server, the browser and server negotiate which protocol and version to use. The browser and server attempt to match each other's list of supported protocols and versions and pick the most preferred match..

Description

This parameter ensures only DoD-approved ciphers and algorithms are enabled for use by the web browser by allowing you to turn on/off support for TLS and SSL. TLS is a protocol for protecting communications between the browser and the target server. When the browser attempts to set up a protected communication with the target server, the browser and server negotiate which protocol and version to use. The browser and server attempt to match each other's list of supported protocols and versions and pick the most preferred match..

STIG	Date
Microsoft Internet Explorer 11 Security Technical Implementation Guide	2015-12-18

Details

Check Text ( C-49683r14_chk )
Open Internet Explorer. From the menu bar, select "Tools". From the "Tools" drop-down menu, select "Internet Options". From the "Internet Options" window, select the "Advanced" tab, from the "Advanced" tab window scroll down to the "Security" category. Verify a checkmark is placed in "Use TLS 1.0" or higher check boxes. If there is not a check mark in "Use TLS 1.0" or higher check boxes, this is a finding. The policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Internet Explorer >> Internet Control Panel >> Advanced Page >> "Turn off Encryption Support" must be "Enabled" and ensure the option selected is "Use TLS 1.0" or higher from the drop-down box.

Check Text ( C-49683r14_chk )

Open Internet Explorer. From the menu bar, select "Tools". From the "Tools" drop-down menu, select "Internet Options". From the "Internet Options" window, select the "Advanced" tab, from the "Advanced" tab window scroll down to the "Security" category. Verify a checkmark is placed in "Use TLS 1.0" or higher check boxes. If there is not a check mark in "Use TLS 1.0" or higher check boxes, this is a finding.

The policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Internet Explorer >> Internet Control Panel >> Advanced Page >> "Turn off Encryption Support" must be "Enabled" and ensure the option selected is "Use TLS 1.0" or higher from the drop-down box.

Fix Text (F-50263r13_fix)
Open Internet Explorer. From the menu bar, select "Tools". From the "Tools" drop-down menu, select "Internet Options". From the "Internet Options" window, select the "Advanced" tab, from the "Advanced" tab window scroll down to the "Security" category. Place a checkmark in "Use TLS 1.0" or higher check boxes. Set the policy value for Computer Configuration -> Administrative Templates >> Windows Components >> Internet Explorer >> Internet Control Panel >> Advanced Page >> "Turn off Encryption Support" to "Enabled", and select "Use TLS 1.0" or higher from the drop-down box.

Fix Text (F-50263r13_fix)

Open Internet Explorer. From the menu bar, select "Tools". From the "Tools" drop-down menu, select "Internet Options". From the "Internet Options" window, select the "Advanced" tab, from the "Advanced" tab window scroll down to the "Security" category. Place a checkmark in "Use TLS 1.0" or higher check boxes.

Set the policy value for Computer Configuration -> Administrative Templates >> Windows Components >> Internet Explorer >> Internet Control Panel >> Advanced Page >> "Turn off Encryption Support" to "Enabled", and select "Use TLS 1.0" or higher from the drop-down box.