RE: can not access microsot website
- From: v-edtian@xxxxxxxxxxxxxxxxxxxx (Edward Tian)
- Date: Mon, 03 Oct 2005 06:10:34 GMT
Hi:
I would like to provide some additional suggestions:
Based on my experience, this problem could also be caused by the EDNS0
query.
Windows Server 2003 supports Extension Mechanisms for DNS (EDNS0) function
which permits the use of larger User Datagram Protocol (UDP) packet sizes.
However, some firewall programs or routers may not permit UDP packets that
are larger than 512 bytes. As a result, these DNS packets may be blocked.
I would like to suggest you try the following steps:
1. Insert SBS 2003 CD2, navigate to \Support\Tools\ Double-click
suptools.msi to install the Windows 2003 support tools.
2. At a command prompt, type the following command, and then press ENTER:
"dnscmd /config /enableednsprobes 0" (without the quotation marks)
The following information appears:
Registry property enableednsprobes successfully reset.
Command completed successfully.
After you run this command, Windows Server 2003 DNS no longer advertises
its EDNS0 capabilities.
As a result, the Windows Server 2003 DNS server will not be sent UDP
packets that are larger than 512 bytes.
For more information, please refer to this KB article:
828263 DNS query responses do not travel through a firewall in Windows
Server 2003
http://support.microsoft.com/?id=828263
Hope the above information helps. If there is anything I can do for you,
please do not hesitate to let me know.
Have a nice day!
Best Regards
Edward Tian(MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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| Thread-Topic: can not access microsot website
| thread-index: AcXHNfYIGlXg+DWHSPi5SKNtI1LIQQ==
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| From: "=?Utf-8?B?c2JpdHM=?=" <sbits@xxxxxxxxxxxxxxxxxxxxxxxxx>
| Subject: can not access microsot website
| Date: Sun, 2 Oct 2005 02:45:02 -0700
| Lines: 4
| Message-ID: <16690242-AC7D-408A-BCFB-B7E6025CD761@xxxxxxxxxxxxx>
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| Xref: TK2MSFTNGXA01.phx.gbl microsoft.public.windows.server.sbs:158007
| X-Tomcat-NG: microsoft.public.windows.server.sbs
|
| Have SBS 2003 standard: can access any website except Microsot.com from
any
| computer and the server too. please help.
|
|
|
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