Category: At least Internet Explorer 6.0 in Windows XP with Service Pack 2 or Windows Server 2003 with Service Pack 1

This policy setting allows you to manage whether users are prompted to select a certificate when no certificate or only one certificate exists. If you enable this policy setting Internet Explorer does not prompt users with a “Client Authentication” message when they connect to a Web site that has no certificate or only one certificate. If you disable this policy setting Internet Explorer prompts users with a “Client Authentication” message when they connect to a Web site that has no certificate or only one certificate. If you do not configure this policy setting Internet Explorer prompts users with a Client Authentication message when they connect to a Web site that has no certificate or only one certificate.

This policy setting allows you to manage permissions for Java applets. If you enable this policy setting you can choose options from the drop-down box. Custom to control permissions settings individually. Low Safety enables applets to perform all operations. Medium Safety enables applets to run in their sandbox (an area in memory outside of which the program cannot make calls) plus capabilities like scratch space (a safe and secure storage area on the client computer) and user-controlled file I/O. High Safety enables applets to run in their sandbox. Disable Java to prevent any applets from running. If you disable this policy setting Java applets cannot run. If you do not configure this policy setting Java applets are disabled.

This policy setting allows you to manage whether applications may be run and files may be downloaded from an IFRAME reference in the HTML of the pages in this zone. If you enable this policy setting users can run applications and download files from IFRAMEs on the pages in this zone without user intervention. If you select Prompt in the drop-down box users are queried to choose whether to run applications and download files from IFRAMEs on the pages in this zone. If you disable this policy setting users are prevented from running applications and downloading files from IFRAMEs on the pages in this zone. If you do not configure this policy setting users are queried to choose whether to run applications and download files from IFRAMEs on the pages in this zone.

This policy setting allows you to manage settings for logon options. If you enable this policy setting you can choose from the following logon options. Anonymous logon to disable HTTP authentication and use the guest account only for the Common Internet File System (CIFS) protocol. Prompt for user name and password to query users for user IDs and passwords. After a user is queried these values can be used silently for the remainder of the session. Automatic logon only in Intranet zone to query users for user IDs and passwords in other zones. After a user is queried these values can be used silently for the remainder of the session. Automatic logon with current user name and password to attempt logon using Windows NT Challenge Response (also known as NTLM authentication). If Windows NT Challenge Response is supported by the server the logon uses the user’s network user name and password for logon. If Windows NT Challenge Response is not supported by the server the user is queried to provide the user name and password. If you disable this policy setting logon is set to Automatic logon only in Intranet zone. If you do not configure this policy setting logon is set to Automatic logon only in Intranet zone.

This policy setting allows you to manage whether users may download unsigned ActiveX controls from the zone. Such code is potentially harmful especially when coming from an untrusted zone. If you enable this policy setting users can run unsigned controls without user intervention. If you select Prompt in the drop-down box users are queried to choose whether to allow the unsigned control to run. If you disable this policy setting users cannot run unsigned controls. If you do not configure this policy setting users cannot run unsigned controls.