Re: Documentation of proper NTFS ACLs
From: Karl Levinson [x y] mvp (levinson_k@excite.com)
Date: 12/10/02
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From: "Karl Levinson [x y] mvp" <levinson_k@excite.com> Date: Tue, 10 Dec 2002 16:25:47 -0500
I find that documentation on this is harder to find, probably because you
can open up the Group Policy templates that come with Windows
[windowsroot\security\templates\ folder] using Notepad to see what the
permissions are there. You can use the Group Policy MMC to compare the
templates with your current computer policy to see what needs to be changed,
and you can use the SECEDIT command to apply just the NTFS file permissions
part of the templates.
Other information:
http://securityadmin.info/faq.htm#4.43
"Douglas Swiggum" <Swiggum@Waisman.Wisc.Edu> wrote in message
news:014e01c2a08e$8f62c410$d6f82ecf@TK2MSFTNGXA13...
> Has Microsoft documented proper NTFS ACL listings
> for system folders in Windows 2000 and Windows XP?
>
> The folders of interest are:
>
> C:\
> C:\Documents and Settings
> C:\Documents and Settings\All Users
> C:\Documents and Settings\All Users\Desktop
> C:\Documents and Settings\All Users\Start Menu
>
> The last two are shipped from Dell and Gateway with
> Windows XP as "Everyone - Full Control"; probably other
> OEMs as well. This effectively eliminates all borders
> between users when these systems are added to what is
> thought to be a secure network.
>
> In order to clean up the mess, it would be nice to
> know what the proper ACL settings should be. It would
> also be nice if Microsoft provided a tool for applying
> these ACLs. The CACLS.EXE command is not my idea of
> such a tool. What is needed is some kind of NTFS
> auditing tool that can tell you which common system
> resources are at risk, and then help to plug the holes.
>
> Documentation for other sensative system resources,
> like C:\Program Files, C:\Windows, etc. would also
> be helpful.
>
> This vulnerability is partially described at
> http://www.kb.cert.org/vuls/id/361065 and
> http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-
> 0034
>
> Regards,
> Douglas Swiggum
> University of Wisconsin, Madison
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