Packets are dropped when you use raw sockets and the IPPROTO_ICMP protocol flag in Windows 2000

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SYMPTOMS

Winsock packets that are produced by using the SOCK_RAW type of socket and the IPPROTO_ICMP protocol flag may be dropped in Microsoft Windows 2000.

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CAUSE

The problem occurs because of improper classification.

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RESOLUTION

Update information

The following file is available for download from the Microsoft Download Center:

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Download the Update for Windows 2000 package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=51F2C275-554F-4CD9-B6AC-6A57D5891E59)

Release Date: November 21, 2006

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 (http://support.microsoft.com/kb/119591/ ) How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

No prerequisites are required.

Restart requirement

You do not have to restart your computer after you apply this update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this update 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 item in Control Panel.

   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   18-Sep-2000  22:01  5.0.2195.1569      33,616  Fips.sys
   18-Mar-2004  20:08  5.0.2195.6883      80,944  Ipsec.sys
   12-Dec-2003  18:34  5.0.2195.6882      29,456  Ipsecmon.exe     
   21-Sep-2003  00:55  5.0.2195.6824     390,928  Netdiag.exe      
   18-Mar-2004  21:00  5.0.2195.6882     417,552  Oakley.dll       
   18-Mar-2004  21:00  5.0.2195.6882      96,528  Polagent.dll     
   18-Mar-2004  21:00  5.0.2195.6882     137,488  Polstore.dll     
   18-Mar-2004  21:00  5.0.2195.6824      58,128  Rasman.dll       
   18-Mar-2004  21:00  5.0.2195.6872     153,872  Rasmans.dll      
   18-Mar-2004  21:00  5.0.2195.6824      54,032  Rastapi.dll

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