Article ID: 284285 - View products that this article applies to.
This article was previously published under Q284285
We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/prodtech/IIS.mspxFor more information about IIS 7.0, visit the following Microsoft Web site:
This step-by-step article describes how to use the WFetch utility (Wfetch.exe) to troubleshoot HTTP connections.
WFetch 1.3 is included in the Internet Information Server (IIS) 6.0 Resource Kit Tools. To download the IIS 6.0 Resource Kit Tools, visit the following Microsoft Web site:
http://www.microsoft.com/downloads/details.aspx?FamilyID=56fc92ee-a71a-4c73-b628-ade629c89499&DisplayLang=enMicrosoft Windows 2000/Microsoft Windows NT 4.0
WFetch 1.2 is available for use with earlier versions of Windows. To download WFetch 1.2, visit the following the following Microsoft Web site:
WFetch is a free utility that is provided on an "as-is" basis. Microsoft does not support the utility, but you can use it to provide detailed information about the traffic between the client and server.
Warning This utility provides advanced features that can permit a user to expose a server to potential security risks. For this reason, Microsoft recommends that the utility be used only in testing, and not in a production environment. See the "Security Ramifications" section of this article for more information.
The following features are available in the current version of WFetch:
172983To troubleshoot connectivity issues (including TCP session data), use a utility such as Network Monitor, which captures network packets.
(http://support.microsoft.com/kb/172983/EN-US/ )Explanation of the Three-Way Handshake via TCP/IP
For additional information about the TCP/IP three-way handshake, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/172983/ )Explanation of the Three-Way Handshake via TCP/IP
For additional information about troubleshooting with Network Monitor, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/148942/ )How to Capture Network Traffic with Network Monitor
(http://support.microsoft.com/kb/252876/ )How to View HTTP Data Frames Using Network Monitor
For additional information about Digital Certificates, Cryptography, and SSL, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/195724/ )Description of Digital Certificates
Article ID: 284285 - Last Review: July 7, 2008 - Revision: 9.3
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