Article: Q188348
Product(s): Internet Information Server
Version(s): winnt:3.0,4.0
Operating System(s):
Keyword(s): kbWinNT400sp5fix
Last Modified: 16-MAY-2002
-------------------------------------------------------------------------------
The information in this article applies to:
- Microsoft Internet Information Server versions 3.0, 4.0
-------------------------------------------------------------------------------
SYMPTOMS
========
Specially-malformed FTP requests may create a Denial of Service in the FTP
service, which causes Internet Information Server (IIS) to stop responding and
generate an Access Violation error message.
RESOLUTION
==========
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the
individual software update. For information on obtaining the latest service
pack, please go to:
- http://www.microsoft.com/windows/servicepacks/
-or-
- Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack
For information on obtaining the individual software update, contact Microsoft
Product Support Services. For a complete list of Microsoft Product Support
Services phone numbers and information on support costs, please go to the
following address on the World Wide Web:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS
IIS 4.0
-------
The IIS 4.0 version of this hotfix must be installed over Windows NT 4.0 SP4. It
has been posted to the following Internet location as Ftpls4i.exe (x86) and
Ftpls4a.exe (Alpha):
US English:
ftp://ftp.microsoft.com/bussys/iis/iis-public/fixes/usa/security/ftpls-fix/
French:
ftp://ftp.microsoft.com/bussys/iis/iis-public/fixes/frn/security/ftpls-fix/
IIS 3.0
-------
The IIS 3.0 version of this hotfix must be installed over Windows NT 4.0 SP4. It
has been posted to the following Internet location as Ftpls3i.exe (x86) and
Ftpls3a.exe (Alpha):
ftp://ftp.microsoft.com/bussys/iis/iis-public/fixes/usa/security/ftpls-fix/
STATUS
======
Microsoft has confirmed this to be a problem in Internet Information Server
versions 3.0 and 4.0. This problem was first corrected in Windows NT 4.0 Service
Pack 5.
Additional query words: IIS hotfix hot fix qfe quick engineering patch
======================================================================
Keywords : kbWinNT400sp5fix
Technology : kbiisSearch kbiis400 kbiis300
Version : winnt:3.0,4.0
Hardware : ALPHA x86
Issue type : kbbug
Solution Type : kbfix
=============================================================================