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Windows XP Professional includes features (shown in Table 1-1) to help you secure your network and computers by controlling user authentication and access to resources and by

Figure 17-2. Additional security settings can be chosen with the Typical setting to increase security.

1:

encrypting data stored on computers. Also included are preconfigured Security Templates for various security scenarios.

Microsoft Visual C# 2008 Express Edition: Build a Program Now!

Description Four preconfigured combinations of security policy settings that represent different organizational security needs: basic, secure, highly secure, and compatible. User groupings, used to administer security, that are defined by their scope, their purpose, their rights, or their role. Benefit Allow you to implement the appropriate templates without modifications or use them as the base for customized security configurations.

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Allow you to control users rights on the system. By adding or removing users or resources from the appropriate groups as your organization changes, you can change ACLs less frequently. In combination with security groups, configuring ACLs on resources makes user permissions easier to control and audit. Provides more efficient and secure authentication than NTLM.

Access control lists (ACLs)

G Extensible Authentication Protocol (EAP). EAP provides security exten-

Ordered lists of access control entries (ACEs) that collectively define the protections that apply to an object and its properties. The authentication protocol for computers running Microsoft Windows 2000 Professional and Windows XP Professional in Active Directory domains. The default authentication protocol in Microsoft Windows NT version 4.0, Windows 2000 Professional, and Windows XP Professional. A technology that can supply users with different credentials for different resources. An integrated circuit card (ICC) that can store certificates and private keys, and perform public key cryptography operations such as authentication, digital signing, and key exchange.

Can increase security on a per-resource basis by allowing users to store and manage credentials. Provides tamper-resistant storage for private keys and other forms of personal identification. Isolates critical security computations involving authentication, digital signatures, and key exchange. Enables credentials and other private information to be moved among computers. Allows administrators and users to encrypt data to keep it secure. This is particularly beneficial to mobile users.

Part I:

sions, such as authentication based on token cards, that administrators can use in addition to the security technologies built into Windows servers.

Description New Pop-Up Blocker, download monitoring, Information Bar, and Add-On Manager. Benefit Enhances default security of Internet Explorer, and provides additional information and prompts before user commits potentially insecure actions. Simplifies setting and managing security. Enabled by default, Windows Firewall adds protection during startup and shutdown. Enables users to ensure they have all the latest critical updates automatically downloaded and installed, and has improved support for dial-up connections.

Enhanced Browser Security (SP2)

Windows Security Center (SP2) Windows Firewall (SP2)

scheme. The hosting server asks for the user name and password, and the PAP process returns the user response in an unencrypted or clear-text format. This authentication method is not robust, and it is certainly not secure. Malicious users can use a packet sniffer or similar tool to obtain the user name and password passed with PAP because they are unencrypted. Note that this authentication scheme does not work if the option Require Encryption (Disconnect If Server Declines) is selected in the Data Encryption field.

A single location to manage security settings and view their status. Helps protect against viruses, worms, and other security threats that can spread over the Internet. Helps you automatically stay upto-date with the latest updates.

The rename feature in Visual C# 2008 is quite useful. It provides you, the programmer, with an easy, automatic, and effective way of changing source elements in a selective way where the symbol is referenced in the code. You can update variables, controls, comments, strings, and any other items in your applications to meaningful names using the renaming symbol functionality.

To determine whether the hardware components in your organization are compatible with Windows XP Professional, see the Windows Catalog at http://www.microsoft.com/windows /catalog. Use the following guidelines to verify that your deployment scenario meets all the hardware and software requirements. Sysprep requirements following guidelines:

with Shiva (now Intel) remote access servers, but does not work with the Require Encryption (Disconnect If Server Declines) setting.