FIX: Network File System (NFS) client users that do not have the "List Folder / Read Data" permission can still see the file list from an NFS share

Symptoms

From some Network File System (NFS) clients, including UNIX and Linux, users that do not have "List Folder / Read Data" permissions can still see the file list from an NFS share.

Cause

This problem occurs because of the following conditions:
  • Client-side caching is enabled.
  • Server for NFS returns incorrect information to "ACCESS" requests.

Resolution

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Microsoft Windows Services for UNIX 2.3


Date Time Version Size File name
---------------------------------------------------------
08-Oct-2004 00:20 5.3000.2117.17 78,336 Clilocks.dll
08-Oct-2004 00:20 5.3000.2117.17 12,208 Clusnfs.exe
08-Oct-2004 00:20 5.3000.2117.17 22,528 Dsctrs.dll
08-Oct-2004 00:20 5.3000.2117.17 10,704 Nfsonly.exe
08-Oct-2004 00:20 5.3000.2117.17 66,048 Nfssh.dll
08-Oct-2004 00:20 5.3000.2117.17 94,208 Nfsshare.exe
08-Oct-2004 00:20 5.3000.2117.17 143,360 Nfsshex.dll
08-Oct-2004 00:20 5.3000.2117.17 113,664 Nfssprop.dll
08-Oct-2004 00:20 5.3000.2117.17 94,720 Nfssvc.exe
08-Oct-2004 00:20 5.3000.2117.17 324,192 Nfssvr.sys
08-Oct-2004 00:20 5.3000.2117.17 40,832 Portmap.sys
14-Dec-2001 06:31 5.0.2134.1 35,600 Regini.exe
08-Oct-2004 00:20 5.3000.2117.17 72,800 Rpcxdr.sys
10-Apr-2003 07:14 27,102 Supphelp.chm
08-Oct-2004 00:20 5.3000.2117.17 48,128 Upnfs3.exe

Services for UNIX 3.0


Date Time Version Size File name
------------------------------------------------------
08-Oct-2004 01:34 7.0.1701.37 23,040 Dsctrs.dll
08-Oct-2004 01:34 7.0.1701.37 26,624 Nfsonly.exe
08-Oct-2004 01:34 7.0.1701.37 67,584 Nfssh.dll
08-Oct-2004 01:34 7.0.1701.37 90,112 Nfsshare.exe
08-Oct-2004 01:34 7.0.1701.37 144,896 Nfsshex.dll
08-Oct-2004 01:34 7.0.1701.37 114,688 Nfssprop.dll
08-Oct-2004 01:34 7.0.1701.37 98,304 Nfssvc.exe
08-Oct-2004 01:34 7.0.1701.37 325,184 Nfssvr.sys
08-Oct-2004 01:34 7.0.1701.37 323,296 Nfssvrn4.sys
08-Oct-2004 01:34 7.0.1701.37 42,624 Portmap.sys
08-Oct-2004 01:34 7.0.1701.37 73,056 Rpcxdr.sys

Services for UNIX 3.5 (Windows 2000 and Windows XP)


Date Time Version Size File name
----------------------------------------------------
07-Oct-2004 12:19 8.0.1969.17 326,016 Nfssvr.sys

Services for UNIX 3.5 (Windows Server 2003)


Date Time Version Size File name
---------------------------------------------------
08-Oct-2004 00:23 8.0.2254.5 423,552 Nfssvr.sys

Workaround

To work around this problem, use one of the following methods:
  • Use NFS 2.0.
  • Disable the client-side cache in Linux or in UNIX.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

891078 FIX: You receive an error message or other unexpected behavior when you access an NFS share after you apply hotfix 885930

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 885930 - Last Review: May 28, 2008 - Revision: 1

Feedback