FIX: An HTTPS request that you send by using the HttpWebRequest class does not use the proxy server that is specified in the application code in the .NET Framework 1.1

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On a computer that is running the Microsoft .NET Framework 1.1, when you use the HttpWebRequest class to send an HTTPS request from a custom application, the HTTPS request does not use the proxy server that is specified in the application code.

Note You do not experience this problem when you use the HttpWebRequest class to send an HTTP request.
You experience the problem that is described in the "Symptoms" section when the HttpWebRequest class connects to the HTTPS server by using one of the following proxy servers:
  • The proxy server that is specified by the GlobalProxySelection.Select property.
  • The proxy server that is specified by Microsoft Internet Explorer.

Software update information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 1.1 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone 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.


You must have the Microsoft .NET Framework 1.1 Service Pack 1 installed to apply this software update.

Restart requirement

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

Software update replacement information

This software update does not replace any other software updates.

File information

The English version of this software 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 tool in Control Panel.
   Date         Time   Version         Size       File name   ---------------------------------------------------------   15-Sep-2005  13:26  1.1.4322.2349   1,232,896  System.dll   15-Sep-2005  13:25                     11,540  System.ldo
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.
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

Article ID: 907432 - Last Review: 01/17/2015 11:54:26 - Revision: 2.0

Microsoft .NET Framework 1.1, Microsoft .NET Framework 1.1 Service Pack 1

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