Re: NTFS inherited permissions bug on W2K

From: Fritz Öhman (techie@HOME.SE)
Date: 10/09/01 

Message-ID:  <01bc01c1510d$445b66b0$0164a8c0@holy>
Date:         Tue, 9 Oct 2001 23:56:32 +0200
From: Fritz Öhman <techie@HOME.SE>
Subject:      Re: NTFS inherited permissions bug on W2K
To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM

----- Original Message -----
From: "Russ" <Russ.Cooper@RC.ON.CA>
To: <NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM>
> If a file is copied into a directory, it gets the inherited permissions of
> the directory its being copied into.
True.

> If a file is moved into a directory, it retains its original permissions.
This is only true *within the same partition/volume* as you are no doubt
aware.

A simple rule of thumb that I give my students is:
"A new file always inherits the target folder's permissions"

Move within partition - only dir pointer moves, file stays. 500 meg file
moves as fast as 5 meg file.
Move between partitions is really a Copy+Delete. Ergo new file.
Copy is obviously a new file.

Rule of thumb even applies to FAT partitions ;o) No permissions!

hth

Fritz Ohman
Technical Trainer of various lettery flavors.

Btw, what *is* new and (perhaps) bears some scrutiny is the
not-so-well-doumented fact that if you update the perms on the new parent
folder, the moved child folder gets updated too, and in a non-intuitive way.
Too tired to write up an example, but this is a simple enough lab to do on
any 2000 machine. It has to do with inheritance in 2000, so won't work in
NT...

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