[cifs-protocol] When will clients/applications do a smb2 session reauth

[Stefan (metze) Metzmacher]

Hi,

with SMB 2.1 (and higher) it's possible to do a session
re-authentication without
getting a STATUS_NETWORK_SESSION_EXPIRED. With SMB 2.0
STATUS_REQUEST_NOT_ACCEPTED
is returned.

In what situations do clients do a (pro active) reauthentication without
getting
STATUS_NETWORK_SESSION_EXPIRED from the server?

"3.2.4.2.3.1 Application Requests Reauthenticating a User"
is the related section in [MS-SMB2].

What layers in the client use this feature?
How can I trigger this?

Is the reauthentication only used with the same user account
or also to switch a session to a different user (which is possible)?

metze


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