packet signing

About this tag
Packet signing is a security feature in the Server Message Block (SMB) protocol that helps prevent man-in-the-middle attacks by digitally signing SMB packets. On Windows 7 and Windows Server 2008 R2, enabling SMB packet signing can cause SMB commands to run serially instead of in parallel when an application accesses multiple remote computers simultaneously. This performance issue is addressed by a Microsoft hotfix (KB2689311) that improves command concurrency while maintaining the security benefits of packet signing. The tag covers discussions and solutions related to this specific behavior and its resolution.
  1. News

    SMB commands run serially when the SMB packet-signing feature is enabled in Windows 7 SP1 or in Wind

    Fixes an issue that occurs when you run an application that accesses multiple remote computers at the same time. This issue occurs on a computer that is running Windows 7 SP1 or Windows Server 2008 R2 SP1 and that has the SMB packet-signing feature... More...
  2. News

    SMB commands run serially when the SMB packet signing feature is enabled in Windows 7 or in Windows

    Fixes an issue that occurs when you run an application that accesses multiple remote computers at the same time. This issue occurs on a computer that is running Windows 7 or Windows Server 2008 R2 and that has the SMB packet signing feature enabled. More...
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