Re: Win NT Permission question ?
From: yfs us (yfs_168us_at_yahoo.com)
Date: 09/14/04
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Date: Mon, 13 Sep 2004 16:50:55 -0700 (PDT) To: security-basics@securityfocus.com
Hi David Schenz,
Thanks for your help.
All the user1, user2 & user3 are not admin and the
folder are not
inheriting permissions but the files in the folder are
inheriting the
permissions from the folder.
In your explaination you do mention that user3 can
delete the data
folder because it had FC. If user3 only want to delete
the folder and
the files that he own in the data folder then what
permission should
be given to user3 ? Or can these be done via special
permissions ?
If not what is the best solution ? According to my
admin, user3 can
only be given add & read in data folder. Is it true ?
For your info all
the 3 user are from 3 different group membership.
All help r welcome.
Cheers.
----- Original Message -----
From: "David Schenz" <schenz.9@dps.ohio-state.edu>
To: "Prasanna M" <PrasannaM@catsglobal.co.in>;
<yfs_168us@yahoo.com>;
<security-basics@securityfocus.com>
Sent: Sunday, September 12, 2004 1:03 AM
Subject: RE: Win NT Permission question ?
> Nope.... let's evaluate closely....
>
> I'm going to assume 1) Share level permissions are
set to Everyone: FC
> and are therefore only messing with NTFS permissions
(which is a much
> simpler method of working with permissions and is
the way recommended by
> Microsoft) 2) All users are regular domain users,
not admins 3) detail,
> data, and info folders are not inheriting
permissions, otherwise user1,
> user2, and user3 would have full control to detail,
data, and info.
> 4) The files in each folder have the same
permissions as the folder it
> is in (i.e. the files are inheriting the permissions
from the folder)
>
> C:\
> |
> |
> -----detail\ (user1: FC; user2: FC; user3: FC)
> |
> |
> |
> --------data\ (user1: None; user2: FC; user3: FC)
> |
> |
> |
> --------info\ (user1: None; user2: None; User3:
FC)
>
> Remember... every object has an individual ACL, if
there is no
> inheritance, no other ACL should matter most of the
time.
>
> If user1 tried to delete the detail folder, he would
be able to delete
> all the files in the detail folder, but not the data
or info folder (and
> therefore not the detail folder since he'd get a
"Folder is not empty"
> message). If user2 tried to delete the detail
folder, he would be able
> to delete all of the files in the detail and data,
but not the info
> folder. If user3 tried to delete the detail folder,
he would be
> successful.
>
> User1 cannot access the data folder and could not
delete it. If user2
> tried to delete the data folder, he would be able to
delete all the
> files in the folder, but not the info folder (and
therefore not the data
> folder since he'd get a "Folder is not empty"
message). If user3 tried
> to delete the data folder, he'd be successful.
>
> The assumption that inheritance is turned off for
each of the folders
> here is very important. Otherwise all of this flies
out the window and
> user1,2,3 have full control to all three folders. I
also emphasize
> giving everyone Full control for share level
permissions otherwise the
> permissions get _very_ hairy.
>
> Good luck
> David
>
>
> -----Original Message-----
> From: Prasanna M [mailto:PrasannaM@catsglobal.co.in]
> Sent: Friday, September 10, 2004 3:46 AM
> To: 'yfs us '; 'security-basics@securityfocus.com '
> Subject: RE: Win NT Permission question ?
>
> user1 & user2 are they admins? or normal users?
>
> your file would be safe only if users 1&2 dont know
how to tinker with
> win
> nt much.
> if they do kno their way around win nt, then ur data
isnt safe.
>
> basically if someone has ownership access to the
parent folder, then
> they
> can definitely access the subfolders, no matter wat
permissions you set.
>
>
> hth,
> Prasanna
> -----Original Message-----
> From: yfs us
> To: security-basics@securityfocus.com
> Sent: 9/9/2004 6:16 AM
> Subject: Win NT Permission question ?
>
> Hi All,
>
> Just want to check with u guys here how does
these
> Win NT
> Permission works.My admin had setup a directory with
> the following
> permission :-
>
> C:\detail\ was own by user1 and had Full Control
> (All) (All)
> user2 had Full Control (All) (All)
> user3 had Full Control (All) (All)
>
> C:\detail\data\ was own by user2 and had Full
> Control (All) (All)
> user1 had no access
> user3 had add & read (rwx)
> (rwx)
>
> C:\detail\data\info\ was own by user3 and had Full
> Control (All) (All)
> user1 had no access
> user2 had no access
>
> I'm user3 and I just want to know can user1 & user2
> delete my file ?
> Can user2 delete the info folder ? If I create a
> folder in info
> directory eg. C:\detail\data\info\secret , so can
> user1 & user2
> delete it and also the file inside the secret folder
?
> I'm not a
> admin and my admin sucks ? If I want to secure my
info
> folder
> what permission should be given to user2 & user1 ?
>
> All help r welcome.
>
> Cheers
>
>
>
>
>
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