The host header is not updated to reflect the new port number in Internet Explorer when you redirect HTTP requests that contain a port number (843518)

RESOLUTION

To resolve this problem, you must install the hotfix that is described in this article. Then you must configure the registry.

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 Windows XP 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.

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.

Internet Explorer 6 for Windows XP

   Date         Time   Version        Size     File name
   --------------------------------------------------------
   12-Aug-2004  22:49  6.0.2800.1463  572,416  Wininet.dll

Internet Explorer 6 for Windows XP Service Pack 2

   Date         Time   Version        Size     File name
   --------------------------------------------------------
   06-Mar-2005  00:33  6.0.2900.2625  657,920  Wininet.dll
   25-Feb-2005  03:53  6.1.22.4       371,936  Updspapi.dll

Internet Explorer 6 for Windows Server 2003

   Date         Time   Version       Size     File name
   --------------------------------------------------------
   05-Mar-2005  03:48  6.0.3790.283  628,224  Wininet.dll

Internet Explorer 6 for Windows Server 2003 with Service Pack 1, Itanium-based versions

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Wininet.dll	6.0.3790.2630	1,700,352	01-Feb-2006	09:25	IA-64	SP1	SP1QFE
Wwininet.dll	6.0.3790.2630	664,064	01-Feb-2006	09:25	x86	SP1	WOW

Internet Explorer 6 for Windows Server 2003 with Service Pack 1, x64-based versions

File name	File version	File size	Date	Time	Platform	SP requirement	Service branch
Wininet.dll	6.0.3790.2630	1,187,840	01-Feb-2006	09:25	x64	SP1	SP1QFE
Wwininet.dll	6.0.3790.2630	664,064	01-Feb-2006	09:25	x86	SP1	WOW

Internet Explorer 6 for Windows Server 2003 with Service Pack 1, x86-based versions

File name	File version	File size	Date	Time	Platform
Wininet.dll	6.0.3790.2630	664,064	01-Feb-2006	08:13	x86

Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To configure the option for the computer, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following subkey in the registry:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl

3. On the Edit menu, point to New, and then click Key.
4. Type UPDATE_HOST_PORT_ON_REDIRECT_KB843518 for the name of the subkey, and then press ENTER.
5. Click the UPDATE_HOST_PORT_ON_REDIRECT_KB843518 subkey, point to New on the Edit menu, and then click DWORD Value.
6. Type iexplore.exe for the name of the DWORD, and then press ENTER.
7. Right-click iexplore.exe, and then click Modify.
8. In the Value data box, type 0x1 , and then click OK.
9. Locate and then click the following subkey in the registry:

   HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Internet Explorer\Main\FeatureControl

10. On the Edit menu, point to New, and then click Key.
11. Type UPDATE_HOST_PORT_ON_REDIRECT_KB843518 for the name of the subkey, and then press ENTER.
12. Click the UPDATE_HOST_PORT_ON_REDIRECT_KB843518 subkey, and then on the Edit menu, point to New, and then click DWORD Value.
13. Type iexplore.exe for the name of the DWORD, and then press ENTER.
14. Right-click iexplore.exe, and then click Modify.
15. In the Value data box, type 0x1, and then click OK.
16. Quit Registry Editor.

To configure the option for the user, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following subkey in the registry:

   HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\FeatureControl

3. On the Edit menu, point to New, and then click Key.
4. Type UPDATE_HOST_PORT_ON_REDIRECT_KB843518 for the name of the subkey, and then press ENTER.
5. Click the UPDATE_HOST_PORT_ON_REDIRECT_KB843518 subkey, point to New on the Edit menu, and then click DWORD Value.
6. On the Edit menu, point to New, and then click DWORD Value.
7. Type iexplore.exe for the name of the DWORD, and then press ENTER.
8. Right-click iexplore.exe, and then click Modify.
9. In the Value data box, type 0x1, and then click OK.
10. Locate and then click the following subkey in the registry:

    HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl

11. On the Edit menu, point to New, and then click Key.
12. Type UPDATE_HOST_PORT_ON_REDIRECT_KB843518 for the name of the subkey, and then press ENTER.
13. Click the UPDATE_HOST_PORT_ON_REDIRECT_KB843518 subkey, point to New on the Edit menu, and then click DWORD Value.
14. Type iexplore.exe for the name of the DWORD, and then press ENTER.
15. Right-click iexplore.exe, and then click Modify.
16. In the Value data box, type 0x1, and then click OK.
17. Quit Registry Editor.