Chapter Summary

■ Microsoft Baseline Security Analyzer is a tool that scans computers on a network and examines them for security vulnerabilities, such as missing security updates, improper passwords, and account vulnerabilities.

■ Microsoft Software Update Services is a tool that informs administrators when software updates are released and functions as an intranet Windows Update server for clients on the network, so that they can automatically install new updates.

■ Most wireless LANs in use today are based on the 802.11 standards published by the IEEE.

■ To secure a wireless network, you must authenticate clients before they are granted network access and also encrypt all packets transmitted over the wireless link.

■ To authenticate IEEE 802.11 wireless network clients, you can use Open System authentication, Shared Key authentication, or IEEE 802.1X.

■ To encrypt transmitted packets, the IEEE 802.11 standard defines the Wired Equivalent Privacy (WEP) mechanism.

■ Remote Assistance is a Windows Server 2003 and Windows XP feature that enables users to request assistance from an expert at another location.

■ Remote Assistance cannot easily be abused because users must request help before experts can connect to their computers, and the users are always in control of the Remote Assistance connection.

■ Remote Desktop enables administrators to connect to distant computers that are unattended and work with them as though seated at the system console. A Remote Desktop client must log on to the host computer using a standard user account, and receives only the permissions and rights granted to the account.

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