[cifs-protocol] MS-PAC new buffers 17 and 18 - TrackingID#2112060040006918

Obaid Farooqi obaidf at microsoft.com
Mon Dec 6 18:01:28 UTC 2021


Hi Isaac:
Thanks for brining this to our attention. While you found the answer, we would still like to include this info in our documentation. We will look into this and a bug will be filed against the document MS-PAC if needed

Regards,
Obaid Farooqi
Escalation Engineer | Microsoft

-----Original Message-----
From: Isaac Boukris <iboukris at gmail.com> 
Sent: Saturday, December 4, 2021 11:48 AM
To: Interoperability Documentation Help <dochelp at microsoft.com>; Greg Hudson <ghudson at mit.edu>; cifs-protocol at lists.samba.org; metze <metze at samba.org>; Andrew Bartlett <abartlet at samba.org>; josephsutton at catalyst.net.nz
Subject: [EXTERNAL] Re: MS-PAC new buffers 17 and 18

Looking at samba code I can see these correspond to:

                PAC_TYPE_ATTRIBUTES_INFO = 17,
                PAC_TYPE_REQUESTER_SID = 18

Please ignore my request, thanks.

On Sat, Dec 4, 2021 at 3:48 PM Isaac Boukris <iboukris at gmail.com> wrote:
>
> Hello dochelp,
>
> Looking at a fresh PAC from an updated win2019 DC, it appears two new 
> buffers were added, namely 17 and 18, as in this ticket.
>
> ad-type: aD-WIN2K-PAC (128)
> ad-data: 070000000000000001000000d801000078000000000000000a0000002400000050020000…
>     Num Entries: 7
>     Version: 0
>     Type: Logon Info (1)
>     Type: Client Info Type (10)
>     Type: UPN DNS Info (12)
>     Type: Unknown (17)
>     Type: Unknown (18)
>     Type: Server Checksum (6)
>     Type: Privsvr Checksum (7)
>
> Can you please document these two new buffer types in the 
> corresponding table in MA-PAC 2.4 PAC_INFO_BUFFER table and their 
> corresponding logic.
>
> Thanks


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