Security Identifier (SID) to User Identifier (uid) ResolutionSyste

Luke Kenneth Casson Leighton lkcl at
Wed Dec 29 18:24:54 GMT 1999

On Wed, 29 Dec 1999, Claus Färber wrote:

> Nicolas Williams <Nicolas.Williams at> schrieb/wrote:
> > Remember, the mapping of uids/gids->sids is there so that users can
> > look at and try to manipulate permissions on Unix files from their NT
> > clients.
> Why is this important anyway? A UI that deals with native Unix/POSIX  
> permissions is easily written and would also work on Windows 9x.

claus, this is so that native NT file access is validated against what is
ultimately unix file permissions, not the other way round: management of
unix file permissions carried out from a custom progaram written for and
used on windows.

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