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 (885930)



The information in this article applies to:

  • Microsoft Windows Services for UNIX 2.3 OEM Only
  • Microsoft Windows Services for UNIX 3.0
  • Microsoft Windows Services for UNIX 3.5

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 now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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


Modification Type:MajorLast Reviewed:5/15/2006
Keywords:kbfix kbpermissions kbBug kbQFE kbHotfixServer KB885930 kbAudITPRO