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01 - 02 - 03 - 04 - 05 - 06 - 07 - 08 - 09 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - Contents of a Microsoft Kerberos Ticket There are additional items contained in Microsoft Kerberos tickets that are not in other Kerberos implementations tickets. Windows 2000 uses Security Identifiers (SIDs) just as in previous versions of Windows NT. SIDs are used to represent user accounts and groups. The SID for a user, along with any SIDs for the groups the user belongs to, is included in tickets used by the client and is known as the Privilege Attribute Certificate (PAC). The PAC is not the same thing as a public key certificate. The user’s name, also known as User Principal Name, is added to the ticket as UPN:name@domain. For example, UPN:stace@sdc.biloxi.ms.us is placed in a ticket to identify the user Stace. Delegation of Authentication Kerberos supports two methods of delegation: proxiable tickets and forwardable tickets. Microsoft Kerberos provides support for forwardable tickets only, and the default Kerberos policy for Windows 2000 domains assigns this permission only to members of the Domain Admins group. It can be provided to individual users by modifying the user’s account from Active Directory Users and Computers. To access user accounts in Active Directory, click Start, highlight Programs, highlight Administrative Tools, and click Active Directory Users and Computers. The account option for enabling delegation is available on the Account tab of a user’s properties, as shown in Figure 3.12. An account option is also available to not allow the acceptance of delegated credentials. Figure 3.12 This is the way to enable a user account for delegation of authentication. Preauthentication In Kerberos authentication, some of the messages have a preauthentication field. Microsoft Kerberos uses preauthentication in domains by default. The data contained in this field is the encrypted timestamp of the client. If it is necessary, preauthentication can be turned off for user accounts on an individual basis, as shown in Figure 3.13. It may be necessary to turn off preauthentication if you are integrating Microsoft Kerberos with other variations of the Kerberos protocol. Figure 3.13 This is the way to disable a preauthentication for a user account. 01 - 02 - 03 - 04 - 05 - 06 - 07 - 08 - 09 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - |
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-Expert: Microsoft Earned $1.5B From Vista Capable Program (PC World via Yahoo! News)
An expert has determined that Microsoft may have earned more than US$1 billion from its controversial Windows Vista Capable sticker program which is still at the center of a class-action suit being decided in a Washington state court.
-Expert: Microsoft Earned $1.5B From Vista Capable Program (PC World)
Microsoft may have earned more than $1 billion from its controversial Windows Vista Capable sticker program.
-Expert: Microsoft Earned US$1.5B From Vista Capable Program (PC World)
Microsoft may have earned more than US$1 billion from its controversial Windows Vista Capable sticker program.
-Windows 7's pleasant surprises - Feature (EARTHtimes.org)
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BOSTON — Citgo the Venezuelan government’s Texas-based oil subsidiary has suspended its free heating oil program for the poor in the United States citing falling oil prices and the world economic crisis.
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-Microsoft's Windows Vista: The 64-Bit Question (CIO Today)
Buy a new copy of Windows Vista or a new computer today and you'll have a decision to make: Should you go for the 64-bit version of Windows Vista or the 32-bit version? We've all been using various 32-bit versions of Windows for years now but clearly the future belongs to 64-bit computing. What do you need to know before you get a jump on destiny? Here are some answers. Q: Why would I ...
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Windows only: Porta'Menu is a tiny (175k!) application launcher for your portable drives. It is extremely spartan but effective. Add your applications it remember the relative path and from there...
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On Wednesday night Microsoft CEO Steve Ballmer is going to step on stage at the Venetian Hotel's Palazzo Ballroom to give the keynote address that kicks off the Consumer Electronics Show. It's the first time for Ballmer who's taking the slot that his predecessor Bill Gates has had for years....
Updated 400 minutes ago.
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