Telnetting to Port 53 May Crash DNS Service (162927)
The information in this article applies to:
- Microsoft Windows NT Server 4.0
This article was previously published under Q162927 SYMPTOMS
A Windows NT 4.0 Domain Name Service (DNS) server produces the following
event error 454:
DNS Server select() Function failed. The data is the error.
Besides the event error, CPU usage is high, the DNS server is unstable, and
it sometimes crashes.
CAUSE
The possible cause of this problem is when an unknown user telnets to the
DNS server port 53. When this is done, and a few characters are typed, the
above behavior is seen on the Windows NT 4.0 DNS server.
RESOLUTION
Obtain the following fix, or wait for the next Windows NT service pack.
This hotfix has been posted to the following Internet location:
STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0.
This problem was corrected in the latest Microsoft Windows NT 4.0 U.S.
Service Pack. For information on obtaining the service pack, query on the
following word in the Microsoft Knowledge Base (without the spaces):
| Modification Type: | Major | Last Reviewed: | 8/8/2001 |
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| Keywords: | KB162927 |
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