1. Configuring Windows Internet Explorer 7 Security Lesson 5

2. Skills Matrix Technology SkillObjective Domain SkillDomain # Understanding Internet Explorer Security Configure and troubleshoot security for Windows Internet Explorer 7+ Troubleshoot policy- setting issues 2.1 Understanding Security Zones Troubleshoot policy-setting issues 2.1 Understanding Internet Explorer Protected Mode Troubleshoot Protected Mode issues 2.1

3. Skills Matrix Technology SkillObjective Domain SkillDomain # Understanding ActiveX Opt-in and ActiveX Installer Services ActiveX Opt-in and ActiveX Installer Service 2.1 Understanding ActiveX Opt-in ActiveX Opt-in and ActiveX Installer Service 2.1 Understanding and Configuring the ActiveX Installer Service ActiveX Opt-in and ActiveX Installer Service 2.1 Understanding and Managing Add-Ons Configure and troubleshoot security for Windows Internet Explorer 7+ 2.1

4. Skills Matrix Technology SkillObjective Domain SkillDomain # Understanding and Configuring the Phishing Filter Configure and troubleshoot security for Windows Internet Explorer 7+ 2.1 Resetting Internet Explorer Settings Troubleshoot policy-setting issues 2.1 Configuring Additional Group Policy Security Settings Troubleshoot policy-setting issues 2.1 Understanding CertificatesTroubleshoot certificate issues 2.1

5. Internet Explorer 7 security has several new additions, including Internet Explorer Protected Mode (available only on Windows Vista) and ActiveX Opt-in.  Explorer Protected Mode  ActiveX Opt-in and ActiveX Installer Services  Phishing Filter  Reset Internet Explorer Settings (REIS) Understanding Internet Explorer Security

6. Click Start. In the Start Search box, key gpmc.msc and then press Ctrl + Shift + Enter. A User Account Control dialog box appears. Provide administrator credentials, and then click OK. In the console tree, expand Forest: ForestName > Domains > DomainName > Group Policy Objects. Configuring IE7 Security Settings Through Group Policy Understanding Internet Explorer Security

7. Right-click the Group Policy object for which you want to configure Internet Explorer security settings, and then click Edit. The Group Policy Object Editor opens with the GPO you selected loaded. In the console tree, expand Computer Configuration > Administrative Templates > Windows Components > Internet Explorer. Configuring IE7 Security Settings Through Group Policy (cont.) Understanding Internet Explorer Security

8. Configuring IE7 Security Settings Through Group Policy (cont.) Understanding Internet Explorer Security Internet Explorer Group Policy settings

9. Security zones are divisions of URL namespaces that enable you to vary security according to where the content is coming from.  Internet  Local Intranet  Trusted Sites  Restricted Sites  Local Machine Understanding Security Zones

10. Low security  Default template for the Local Machine zone  Minimal safeguards and warning prompts provided  Most content is downloaded and run without prompts  All active content can run  Appropriate for sites that you absolutely trust Understanding Security Zones (cont.) Understanding Security Zones

11. Medium-low security  Default template for the Local Intranet zone  Appropriate for websites on your local network (intranet)  Most content will run without prompting you  Unsigned ActiveX controls will not be downloaded  Same as Medium level without prompts Understanding Security Zones (cont.) Understanding Security Zones

12. Medium security  Default template for the Trusted Sites zone  Prompts before downloading potentially unsafe content  Unsigned ActiveX controls will not be downloaded Understanding Security Zones (cont.) Understanding Security Zones

13. Medium-high security  Default template for the Internet zone  Appropriate for most websites  Prompts before downloading potentially unsafe content  Unsigned ActiveX controls will not be downloaded Understanding Security Zones (cont.) Understanding Security Zones

14. High security  Default template for the Restricted Sites zone  Appropriate for websites that might contain harmful content  Maximum safeguards  Less secure features are disabled Understanding Security Zones (cont.) Understanding Security Zones

15. It is not uncommon for a user to experience browser problems due to an action that is disallowed by the settings for the security zone. In Internet Explorer, in the Tools menu, click Internet Options. Click the Security tab. Configuring Zone Security Settings Locally Understanding Security Zones

16. In the Select a zone to view or change security settings section, select the zone for which you want to configure a security setting. To change the template that Windows assigns to the zone, use the slide in the Security level for this zone section. To customize security for the selected zone, click Custom level. The Security Settings – ZoneName Zone dialog box appears. Configuring Zone Security Settings Locally (cont.) Understanding Security Zones

17. Configuring Zone Security Settings Locally (cont.) Understanding Security Zones To configure custom settings, select the options as desired for each of the security settings in the Settings standard list box. To restore all settings to their original configuration, click Reset.

18. Internet Explorer Protected Mode is a feature of Internet Explorer 7 available on Windows Vista. Protected Mode protects against unsolicited installation of software and modification of data. Internet Explorer Protected Mode Understanding Internet Explorer Protected Mode

19. Enabling or Disabling Protected Mode Locally Understanding Internet Explorer Protected Mode Select a zone to view or change security settings from the Security tab to configure Protected Mode.

20. Open the GPO you want to edit in the Group Policy Object Editor. In the console of the Group Policy Object Editor, expand Computer Configuration > Administrative Templates > Windows Components > Internet Explorer > Internet Control Panel > Security Page. Configuring Protected Mode Through Group Policy Understanding Internet Explorer Protected Mode

21. Select ZoneName, where ZoneName is the zone for which you want to configure Windows Protected Mode policy. In the details pane, right-click Turn on Protected Mode, and then click Properties. Configuring Protected Mode Through Group Policy (cont.) Understanding Internet Explorer Protected Mode

22. Select one of the following:  Not Configured – Select this option to enable users to turn Windows Protected Mode on or off for this zone.  Enabled – Select this option to turn on Protected Mode for this zone and to disallow users the ability to turn it off. Configure Protected Mode Through Group Policy (cont.) Understanding Internet Explorer Protected Mode

23. Select one of the following:  Disabled – Select this option to turn off Protected Mode for this zone and to disallow users the ability to turn it on. Configure Protected Mode Through Group Policy (cont.) Understanding Internet Explorer Protected Mode

24. ActiveX Opt-in limits exposure to malicious ActiveX controls by disabling most ActiveX controls and by requiring permission from a user with administrator credentials before installing any of the remainder of ActiveX controls. The ActiveX Installer Services enable administrators to specify a list of ActiveX controls that users are enabled to install without administrator credentials. ActiveX Opt-in and ActiveX Installer Services Understanding ActiveX Opt-in and ActiveX Installer Services

25. By default, ActiveX Opt-in will not disable the following ActiveX controls:  Commonly used controls whose security Microsoft has already deemed acceptable  Controls used in a previous version of Internet Explorer before upgrading to Internet Explorer 7  Controls that ActiveX Opt-in automatically enables during the install process when the user downloads them using IE7 ActiveX Opt-in and ActiveX Installer Services (cont.) Understanding ActiveX Opt-in and ActiveX Installer Services

26. ActiveX Opt-in and ActiveX Installer Services (cont.) Understanding ActiveX Opt-in and ActiveX Installer Services When you select Install ActiveX Control, a User Account Control dialog box will open. You can then provide administrator credentials to install the ActiveX Control.

27. Open the Security Settings – ZoneName Zone dialog box for the zone in which you want to enable or disable ActiveX Opt-in. Scroll the list box until you find the ActiveX controls and plug-ins section. Enabling or Disabling ActiveX Opt-in Locally Understanding ActiveX Opt-in and ActiveX Installer Services

28. Under the Allow previously unused ActiveX controls to run without prompt setting, select one of the following:  Disable – Select this option to Enable ActiveX Opt-in (this is correct: you disable this setting to enable ActiveX Opt-in).  Enable – Select this option to disable ActiveX Opt-in (this is correct: you enable this setting to disable ActiveX Opt-in). Enabling or Disabling ActiveX Opt-in Locally (cont.) Understanding ActiveX Opt-in and ActiveX Installer Services

29. Configuring ActiveX Opt-in Through Group Policy Understanding ActiveX Opt-in and ActiveX Installer Services Turn Off First-Run Opt-In Properties dialog box with Enabled selected

30. The ActiveX Installer Service (AxIS) enables administrators to allow standard users to install ActiveX controls. Using the ActiveX Installer Service requires four components:  Internet Explorer 7+  ActiveX Installer Service  Group Policy configuration  Approved installation sites for ActiveX controls ActiveX Installer Service Understanding ActiveX Opt-in and ActiveX Installer Services

31. Turning on the ActiveX Installer Service Locally Understanding ActiveX Opt-in and ActiveX Installer Services Select the ActiveX Installer Service check box, and then click OK.

32. Key 2,2,1,0x00002000 to:  Install all ActiveX controls silently (TPSSignedContro=2 and SignedControl=2),  Require user permission to install unsigned ActiveX controls (UnsignedControl=1)  Ignore invalid certificate dates for ActiveX controls: (ServerCertificatePolicy=0x00002000) Configuring ActiveX Installer Service Through Group Policy Understanding ActiveX Opt-in and ActiveX Installer Services

33. You can manage Add-ons using the Manage Add-ons dialog box. Add-ons extend the functionality of Internet Explorer, but can also be malicious or cause instability or poor performance. Managing Add-ons Understanding and Managing Add-ons

34. From the Start menu, click All Programs. Click Accessories, click System Tools, and then click Internet Explorer (No Add-ons). An intercept page indicates that Internet Explorer is running without add-ons. Running Internet Explorer Without Add-Ons Understanding and Managing Add-ons

35. Add-ons that have been used by Internet Explorer – Select this option to display a complete list of the add-ons that reside on your computer. Add-ons currently loaded in Internet Explorer – Select this option to display only those add-ons that were needed for the current web page or a recently viewed web page. Managing Internet Explorer Add-Ons Understanding and Managing Add-ons

36. Add-ons that run without requiring permission – Select this option to display add- ons that are pre-approved by Microsoft, your computer manufacturer, or a service provider. These add-ons are less likely to be the cause of problems. Downloaded ActiveX Controls (32-bit) – Select this option to display only 32-bit ActiveX controls. Managing Internet Explorer Add-Ons (cont.) Understanding and Managing Add-ons

37. Certificates identify the owner of Internet entities, such as websites. They also enable you to communicate with other users through public key encryption. Certificates Understanding Certificates

38. Certificates (cont.) Understanding Certificates If you click Certificate Error, the Untrusted Certificate warning box will open. You can click View certificates to see detailed information on the certificate, including who issued it.

39. Phishing is the action taken when attackers attempt to trick users into giving personal or financial information through fraudulent emails for the purpose of identity theft. The Phishing Filter monitors websites and alerts you when it suspects that you have encountered a phishing website. Phishing Filter Understanding and Configuring the Phishing Filter

40. Open Internet Explorer, and then open the Security Settings – ZoneName Zone dialog box for the zone in which you want to enable or disable the Phishing Filter. In the Security Settings – ZoneName Zone dialog box, scroll the list box until you find the Miscellaneous section. Enabling or Disabling the Phishing Filter Locally Understanding and Configuring the Phishing Filter

41. Continue scrolling down to the Use Phishing Filter setting, and then select one of the following:  Disable – Select this option to disable the Phishing Filter.  Enable – Select this option to enable the Phishing Filter. Enabling or Disabling the Phishing Filter Locally (cont.) Understanding and Configuring the Phishing Filter

42.  Not Configured – Select this option to prompt users to choose the mode of operation for the Phishing Filter.  Enabled – Select this option to enable the Phishing Filter without prompting the user.  Disabled – Select this option to prompt users to choose the mode of operation for the Phishing Filter. Configuring the Phishing Filter Through Group Policy Understanding and Configuring the Phishing Filter

43. You can reset many Internet Explorer settings simultaneously to restore the browser to a more uncorrupted state in an attempt to remedy instability. Resetting Internet Explorer Settings

44. REIS resets the following:  Browser settings – Resets all user-defined browser settings  Extensibility – Any extensions that you have added, such as toolbars, are prevented from running automatically. Also, ActiveX Opt-in is reset. Resetting Internet Explorer Settings (cont.) Resetting Internet Explorer Settings

45. Browsing history and temporary files are restored including temporary Internet files, cookies, browsing history, form data, passwords, and auto-complete data. Manufacturer settings for Internet Explorer as set by the computer manufacturer are restored. Resetting Internet Explorer Settings (cont.) Resetting Internet Explorer Settings

46. Resetting Internet Explorer Settings (cont.) Resetting Internet Explorer Settings Reset Internet Explorer Settings on the Advanced tab of the Internet Options dialog box.

47. You can centrally manage Internet Explorer 7 security settings by using Group Policy. Managing Internet Explorer Security Using Group Policy Configuring Additional Group Policy Security Settings

48. Summary Internet Explorer 7 security is improved compared with previous versions. It is raised further by Internet Explorer Protected Mode, which is available only on Windows Vista. Protected Mode protects against unsolicited installation of software and modification of data. You learned how to enable or disable Protected Mode. You Learned

49. Summary Security zones divide URL namespaces and enable you to vary security according to where the content is coming from. You learned how to configure zone security settings. You Learned (cont.)

50. Summary ActiveX Opt-in limits exposure to malicious ActiveX controls by disabling most ActiveX controls by default and requiring permission from a user with administrator credentials before installing any of the remaining ActiveX controls. You Learned (cont.)

51. Summary ActiveX Installer Services enable administrators to specify a list of ActiveX controls that users can install without administrator credentials. You learned how to enable or disable ActiveX Opt-in. You learned how to configure the ActiveX Installer Service. You Learned (cont.)

52. Summary Add-ons extend the functionality of Internet Explorer, but they can also be malicious or cause instability or poor performance. You learned how to manage Add-ons using the Manage Add-ons dialog box. You learned how to run Internet Explorer without add-ons. You Learned (cont.)

53. Summary Certificates identify the owner of Internet entities, such as websites. They also enable you to communicate with other users through public key encryption. The Phishing filter monitors websites and alerts you when it suspects that you have encountered a phishing website. You Learned (cont.)

54. Summary You learned how to enable or disable the Phishing Filter. You learned how to configure the Phishing Filter. You learned how to simultaneously reset many Internet Explorer settings using REIS to restore the browser to a more uncorrupted state in an attempt to remedy instability. You Learned (cont.)