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[MS-SMB2] Should SMB2 LOGOFF request be signed when Session.SigningRequired equal to TRUE RRS feed

  • Question

  • Hi,

    According to [MS-SMB2] 3.2.4.1.1 Signing the Message, it seems that there is no requirement for singing SMB2 LOGOFF Requests. (the specified condition is not met - the request is not a TREE_CONNECT request nor there is a tree connection identified by the TreeId field)

    It seems that when using SMB 3.x - Windows Server expects the LOGOFF request to be signed (when Session.SigningRequired equal to TRUE), if this is indeed the case - the documentation is not clear enough on that. (it is not required when using SMB 2.x, even when Session.SigningRequired is equal to TRUE)


    Saturday, November 28, 2020 5:52 PM

All replies

  • Hi Tal,

    Thank you for contacting Microsoft Open Specifications Support. One of the Engineers will contact you soon.

    Mike Bowen

    Escalation Engineer Microsoft Open Specifications

    Sunday, November 29, 2020 4:17 PM
  • Hi Tal:

    I'll help you with this issue and will be in touch as soon as I have an answer.


    Regards, Obaid Farooqi

    Tuesday, December 1, 2020 3:21 AM