Microsoft KB Archive/839824

= FIX: Server requests loop back to internal hosts by using NAT in Windows CE .NET 4.2 =

Article ID: 839824

Article Last Modified on 5/27/2005

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APPLIES TO


 * Microsoft Windows CE .NET 4.2

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SYMPTOMS
You may have set up a local area network (LAN) to connect to external networks by using Network Address Translation (NAT). If a host on the LAN is exposed because of NAT port mapping, clients on the LAN may not be able to access the exposed host by using the external address.

For example, if NAT is configured to forward port 80 to internal host 192.168.1.2, that host is referenced externally by the address of the NAT router. External hosts that use that address are connected to the 192.168.1.2 host by using NAT. Internal hosts that use that address do not have their traffic forwarded by the NAT router.



Software update information
A supported software update is now available from Microsoft as Windows CE 4.2 Core OS QFE 839824. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites
This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement
After you install this update, you must perform a clean build of the whole operating system. To build the operating system, follow these steps:
 * 1) On the Build menu, click Clean.
 * 2) On the Build menu, click Build Platform.

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

Update replacement information
This update replaces 836729.

File information
The English version of this update has the file attributes (or later) 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 --

02-Apr-2004 02:28  4.2.4.331       2,312,952  Wincepb42-040331-kb839824-armv4.exe 02-Apr-2004 02:28  4.2.4.331       2,312,952  Wincepb42-040331-kb839824-armv4i.exe 02-Apr-2004 02:28  4.2.4.331       2,378,488  Wincepb42-040331-kb839824-mipsii.exe 02-Apr-2004 02:28  4.2.4.331       2,378,488  Wincepb42-040331-kb839824-mipsii_fp.exe 02-Apr-2004 02:28  4.2.4.331       2,394,872  Wincepb42-040331-kb839824-mipsiv.exe 02-Apr-2004 02:28  4.2.4.331       2,394,872  Wincepb42-040331-kb839824-mipsiv_fp.exe 02-Apr-2004 02:28  4.2.4.331       2,210,552  Wincepb42-040331-kb839824-sh3.exe 02-Apr-2004 02:28  4.2.4.331       2,210,552  Wincepb42-040331-kb839824-sh4.exe 02-Apr-2004 02:28  4.2.4.331       2,050,808  Wincepb42-040331-kb839824-x86.exe The English version of this package has the file attributes (or later) that are listed in the following table.   Date         Time   Version            Size    File name --

Path: Public\Common\Oak\Lib\Armv4\Debug 27-Mar-2004 00:39                  1,900,878  Ip.lib 27-Mar-2004 00:39                    887,102  Natlib.lib

Path: Public\Common\Oak\Lib\Armv4\Retail 27-Mar-2004 00:39                  1,364,176  Ip.lib 27-Mar-2004 00:39                    641,016  Natlib.lib

Path: Public\Common\Oak\Lib\Armv4i\Debug 27-Mar-2004 00:40                  1,903,396  Ip.lib 27-Mar-2004 00:40                    888,084  Natlib.lib

Path: Public\Common\Oak\Lib\Armv4i\Retail 27-Mar-2004 00:39                  1,366,528  Ip.lib 27-Mar-2004 00:40                    641,804  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsii\Debug 27-Mar-2004 00:41                  1,918,868  Ip.lib 27-Mar-2004 00:41                    884,592  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsii\Retail 27-Mar-2004 00:40                  1,380,630  Ip.lib 27-Mar-2004 00:41                    649,206  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsii_fp\Debug 27-Mar-2004 00:42                  1,919,102  Ip.lib 27-Mar-2004 00:42                    884,744  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsii_fp\Retail 27-Mar-2004 00:41                  1,380,872  Ip.lib 27-Mar-2004 00:42                    649,348  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsiv\Debug 27-Mar-2004 00:42                  1,943,374  Ip.lib 27-Mar-2004 00:43                    881,588  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsiv\Retail 27-Mar-2004 00:42                  1,392,736  Ip.lib 27-Mar-2004 00:43                    651,062  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsiv_fp\Debug 27-Mar-2004 00:43                  1,943,606  Ip.lib 27-Mar-2004 00:44                    881,736  Natlib.lib

Path: Public\Common\Oak\Lib\Mipsiv_fp\Retail 27-Mar-2004 00:43                  1,392,976  Ip.lib 27-Mar-2004 00:43                    651,212  Natlib.lib

Path: Public\Common\Oak\Lib\Sh3\Debug 27-Mar-2004 00:44                  1,639,216  Ip.lib 27-Mar-2004 00:45                    774,218  Natlib.lib

Path: Public\Common\Oak\Lib\Sh3\Retail 27-Mar-2004 00:44                  1,223,836  Ip.lib 27-Mar-2004 00:44                    590,942  Natlib.lib

Path: Public\Common\Oak\Lib\Sh4\Debug 27-Mar-2004 00:45                  1,638,614  Ip.lib 27-Mar-2004 00:45                    773,846  Natlib.lib

Path: Public\Common\Oak\Lib\Sh4\Retail 27-Mar-2004 00:45                  1,220,198  Ip.lib 27-Mar-2004 00:45                    589,292  Natlib.lib

Path: Public\Common\Oak\Lib\X86\Debug 27-Mar-2004 00:38                  1,589,858  Ip.lib 27-Mar-2004 00:38                    754,280  Natlib.lib

Path: Public\Common\Oak\Lib\X86\Retail 27-Mar-2004 00:38                  1,144,660  Ip.lib 27-Mar-2004 00:38                    563,162  Natlib.lib



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbbug kbfix kbqfe KB839824

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