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Windows 2000 Telnet Server Stops Responding After Binary Input
Article ID: 267843 - View products that this article applies to.
This article was previously published under Q267843
When a Windows 2000-based computer that is running the Telnet Server service receives a malformed stream of binary zeros as input from a Telnet client, the Telnet Server service may stop responding (hang).
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910The English version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Date Time Size File name ------------------------------------------ 06/30/00 04:03p 55,056 Tlntsess.exe 06/30/00 04:03p 180,496 Tlntsvr.exe
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.
When the Telnet Server service hangs, any existing Telnet client sessions are disconnected, with the loss of any work that was in progress at the time. However, this does not affect any other services on the host computer, and cannot affect Windows 2000 itself. You can restore operations by restarting the Telnet Server service.
For related information about this problem, please visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/ms00-050.mspxFor additional security-related information about Microsoft products, please visit the following Microsoft Web site: