Authentication (2)

• Defaults

  • XP by default uses both LM & NTLM
  • Vista, Windows 7 defaults to NTML2
  • Active Directory defaults to Kerberos, drops back as needed

• Security options

  • See Microsoft long note on options
  • Many different options: store LAN Manager, Lan Manager authentication level, etc.

• Compatibility issues:

  • example of Windows 7 and Win 2k server
  • example of Windows 7 and Win 2003 server
  • of course all sort of issues with XP, 98, and other settings in NT, 2K, etc.

• More on authentication : a black hat presentation.

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