Security Basics mailing list archives
RE: Win NT Permission question ?
From: "David Schenz" <schenz.9 () dps ohio-state edu>
Date: Sat, 11 Sep 2004 13:03:31 -0400
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 __________________________________ Do you Yahoo!? New and Improved Yahoo! 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Current thread:
- Win NT Permission question ? yfs us (Sep 09)
- <Possible follow-ups>
- RE: Win NT Permission question ? Prasanna M (Sep 10)
- Re: Win NT Permission question ? Ansgar -59cobalt- Wiechers (Sep 13)
- RE: Win NT Permission question ? Roger A. Grimes (Sep 12)
- RE: Win NT Permission question ? David Schenz (Sep 13)
- FW: Win NT Permission question ? David Schenz (Sep 15)
- RE: Win NT Permission question ? Roger A. Grimes (Sep 15)
- Re: Win NT Permission question ? yfs us (Sep 15)
- RE: Win NT Permission question ? Robert McIntyre (Sep 17)
- RE: Win NT Permission question ? Prasanna M (Sep 17)