SMB Authentication: The Basics


SMB Challeng/Response Algorithms

  • LAN Manager
    LM or LMv1.

  • WindowsNT LAN Manager
    NTLM or NTLMv1.

  • LAN Manager Version 2
  • NT LAN Manager Version 2
    LMv2 and NTLMv2.
    Almost identical.

These do not match the Unix password encryption scheme.

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