Lesson Summary

■ Use security policy settings to configure authentication requirements.

■ Implement a strong password policy in your organization to reduce the likelihood that your users' credentials will be compromised.

■ Although you can enforce complex passwords by using security policy in Windows Server 2003 Active Directory, employee education is the only way to keep users from writing down passwords or using discoverable personal information in passwords.

■ An account lockout policy prevents malicious attackers from logging on by continually guessing passwords; however, it enables malicious attackers to perform a denial-of-service attack that denies valid users from successful authentication.

■ Kerberos ticket lifetimes must be short enough to prevent attackers from cracking the cryptography that protects the ticket's stored credentials, but long enough to minimize the number of tickets that clients request.

■ Use delegated authentication and constrained delegation as strategies for implementing supplemental authentication where required.

■ Any application that has the Certified for Windows Server 2003 logo has been tested to ensure that it will function in environments that require multifactor authentication.

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