This article was previously published under Q194744
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We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
Posting from Netscape Navigator stops responding over a secure connectionwhen the Enable Buffering setting in Internet Information Server isenabled.
The Netscape client stops responding if a post request completes and asecond post request is made on the same connection.
An extra CR-LF is sent by the Netscape client at the end of the bufferedrequest. When using SSL, Internet Information Server attempts to decryptthese bytes and fails.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
To work around this problem, disable the Enable Buffering setting underthe properties for the default Web site in the Home Directory\ApplicationSettings\Configuration dialog.
Microsoft has confirmed this to be a problem in Internet InformationServer version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.