MCDST : Supporting Users and Troubleshooting a Microsoft Windows XP Operating System Chapter 15: Internet Explorer and Remote Connectivity Tools

Guide to MCDST Objectives Troubleshoot Internet Explorer Troubleshoot certificates Understand the Remote tools of Windows XP

Guide to MCDST Configure and Troubleshoot Internet Explorer Internet Explorer –The native Web browser of Windows operating systems –Tightly integrated with other Windows applications –Can call up Word to open.doc files or Excel to open.xls files across the Web –Can be used as an FTP client

Guide to MCDST Configure and Troubleshoot Internet Explorer (continued)

Guide to MCDST Internet Options Applet Used to define settings for Internet Explorer and general Internet access Cookies –Text scripts that a Web browser sends to a server to customize a user’s browsing experience

Guide to MCDST Internet Options Applet (continued)

Guide to MCDST Internet Options Applet (continued) General tab –Home page section defines the home page –Temporary Internet files section manages storage of cached materials pulled from Web sites –Cache is simply a store of frequently used data

Guide to MCDST Internet Options Applet (continued)

Guide to MCDST Security Tab Used to manage security zones Security zone for Internet Explorer –Used to define the levels of security imposed on different types of Web sites –An area of cyberspace with a predefined level of security restrictions

Guide to MCDST Security Tab (continued) Internet zone –Contains all sites on Internet or local intranet that have not been placed in the three other zones Local intranet zone –Contains those sites within your local intranet Trusted sites and Restricted sites zones –Include only those sites that you specifically add to these zones

Guide to MCDST Security Tab (continued) Security restrictions –Low: Provides minimal safeguards and warning prompts –Medium-low: Most content will be run without prompts –Medium: Prompts before downloading potentially unsafe content –High: Less-secure features are disabled

Guide to MCDST Security Tab (continued)

Guide to MCDST Privacy Tab Used to set controls over cookies for the Internet zone Setting slider offers six predefined levels of cookie security

Guide to MCDST Privacy Tab (continued)

Guide to MCDST Privacy Tab (continued)

Guide to MCDST Content Tab Used to manage certificates, content, and personal information Content Advisor used to control site access based on RSACi content ratings

Guide to MCDST Content Tab (continued)

Guide to MCDST Connections Tab Used to manage the methods by which Internet Explorer accesses the Internet or the LAN –Add button opens the wizard from the Network Connections tool –Remove button deletes the connection object from the system –Settings button used to alter the settings of the selected connection object

Guide to MCDST Connections Tab (continued)

Guide to MCDST Connections Tab (continued)

Guide to MCDST Programs Tab Specifies which programs Windows will use automatically when content of a specific type is encountered while using Internet Explorer Allows you to configure these six services: –HTML editor– –Newsgroups– Internet call –Calendar– Contact list

Guide to MCDST Programs Tab (continued)

Guide to MCDST Advanced Tab Used to set a wide range of capabilities and features of IE Defaults usually sufficient for most environments

Guide to MCDST Troubleshooting Internet Explorer Verify that the problem is actually Internet Explorer and not a network communication issue Check to see if the problem lies with the client or with the remote system’s information services If problem lies with a specific client’s Internet Explorer, determine if system has been altered from the default or standardized configuration

Guide to MCDST Troubleshooting Certificates Certificates –Provide proof of identity for network and Internet communications –Digitally signed statement used for authentication and to aid secured communications –Product of a cryptographic mechanism known as public key infrastructure (PKI)

Guide to MCDST Troubleshooting Certificates (continued ) Certificate Authority (CA) –Responsible for creating, issuing, managing, and revoking certificates –Can be a server computer system within your organization’s network or –A service offered by an independent third-party organization –Example: VeriSign

Guide to MCDST Troubleshooting Certificates (continued ) Certificate Authority (CA) (continued) –Responsible for investigating identity of individuals and organizations assigned certificate –Can revoke a certificate at any time For a certificate solution to function, you must have trust relationship with issuing CA of certificates you are likely to receive

Guide to MCDST Troubleshooting Certificates (continued )

Guide to MCDST Windows XP Remote Tools Remote Assistance –Allows distant user to view your desktop and have control over mouse and keyboard activities Remote Desktop –Enables you to access your client’s logon environment from a remote system

Guide to MCDST Windows XP Remote Tools (continued)

Guide to MCDST Remote Assistance Designed to simplify the task of training users or walking users through tasks Supports real-time, two-way chat between end user and the remote assistant

Guide to MCDST Remote Assistance (continued)

Guide to MCDST Remote Assistance (continued)

Guide to MCDST Remote Desktop Developed so that workers can access their work desktops from their home systems Can be used to: –Take control over another system on the same local area network or –Reach across the Internet to take control of a distant system Must be enabled through the System applet

Guide to MCDST Remote Desktop (continued) Can be used across a LAN or over the Internet Will not function across the Internet if target client is: –Behind a NAT (or PAT) system or –Using the private IP addresses from RFC 1918

Guide to MCDST Remote Desktop (continued)

Guide to MCDST Remote Desktop (continued) General tab –Used to define the NetBIOS name or IP address of the target system Display tab –Used to configure the graphical display of the resultant connection window Local Resources tab –Used to configure whether sounds from the target system are played through your local client

Guide to MCDST Remote Desktop (continued) Programs tab –Configures programs to launch automatically upon connection via Remote Desktop Experience tab –Used to optimize performance of Remote Desktop when connecting over slower bandwidth links

Guide to MCDST Summary Internet Explorer –Native Web browser of Windows XP Troubleshooting IE involves –Verifying network connectivity –Verifying compliance with organization configuration standards –Reversing any end user changes

Guide to MCDST Summary (continued) IE –Uses certificates to prove identity Remote Assistance –Can be used to interact with a remote user and their computer Remote Desktop –Gives user ability to remotely operate a system