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NULL session restrictions in Windows 2003 SP1
\pipe\samr, \pipe\lsarpc, \pipe\netlogon, \pipe\browser present in NullSessionPipes
Anonymous access to samr forbidden
- RestrictAnonymousSam registry value set to 1 by default
Anonymous access to lsarpc forbidden
- Default setting for a Windows 2003 SP1 system
Anonymous access to wkssvc and srvsvc still possible through \pipe\browser
- RestrictAnonymous set to 0 by default
- If set to 1, some additional restrictions for srvsvc operations