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Update for Windows XP (KB977377)

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Microsoft has identified a security issue that could allow an attacker to misrepresent a system action or behavior without the knowledge of the logged-on user. This is not a security update, but a workaround server administrators can install to disable TLS and SSL renegotiation.
  • Details

    File name:
    Date Published:

    WindowsXP-KB977377-x86-ENU.exe

    2/8/2010

    Version:
    File size:

    977377

    567 KB

      Microsoft has identified a security issue that could allow an attacker to misrepresent a system action or behavior without the knowledge of the logged-on user. The associated download is not a security update that end users can install directly. Rather, this download is recommended for server administrators only and deploys a workaround that disables Transport Layer Security (TLS) and Secure Sockets Layer (SSL) renegotiation support on affected systems, to help protect clients connecting to such servers from exploitation using this vulnerability. TLS renegotiation is a component of the Transport Layer Security protocol and may be required by certain applications. Microsoft recommends that customers validate the need for implementing this workaround, and if deemed required, test this workaround carefully for the applicable deployment scenario or scenarios. More information on the risks and benefits of this workaround can be found in Microsoft Knowledge Base Article 977377.
  • System Requirements

    Supported Operating System

    Windows XP Service Pack 2, Windows XP Service Pack 3


  • Install Instructions

      1. To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.
        • Click Run to start the installation immediately.
        • Click Save to copy the download to your computer for installation at a later time.
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