Good morning Andrew - just checking in to see if we have covered everything!


-----Original Message-----
From: Hongwei Sun
Sent: Wednesday, September 02, 2009 5:10 PM
To: 'Andrew Bartlett'; Bill Wesse
Cc: [email protected]; [email protected]; Matthias Dieter Wallnöfer
Subject: RE: [cifs-protocol] Please clarify LSA and OsVersion behaviour in 
MS-NRPC (SRX090727600015)

Andrew,

   We confirmed that Windows server 2008 and later systems addressed the 
problem by implementing validation of the DNSHostName and SPN in 
NetrLogonGetDomainInfo to enforce the same constraints as specified in section 
3.1.1.5.3.1.1.2(dNSHostName) and 3.1.1.5.3.1.1.4(servicePrincipalName) in 
MS-ADTS.   Therefore you should follow these rules to match the Windows 
behaviors.

   Please let us know if you have further questions.

Thanks!

--------------------------------------------------------------------
Hongwei  Sun - Sr. Support Escalation Engineer DSC Protocol  Team, Microsoft 
[email protected]
Tel:  469-7757027 x 57027
---------------------------------------------------------------------

Regards,
Bill Wesse
MCSE, MCTS / Senior Escalation Engineer, US-CSS DSC PROTOCOL TEAM
8055 Microsoft Way
Charlotte, NC 28273
TEL:  +1(980) 776-8200
CELL: +1(704) 661-5438
FAX:  +1(704) 665-9606


-----Original Message-----
From: Bill Wesse 
Sent: Friday, August 28, 2009 10:53 AM
To: 'Andrew Bartlett'
Cc: '[email protected]'; '[email protected]'; 'Matthias Dieter 
Wallnöfer'; Hongwei Sun
Subject: RE: [cifs-protocol] Please clarify LSA and OsVersion behaviour in 
MS-NRPC (SRX090727600015)

I will be out of the office on vacation, returning Monday, September 7. My 
colleague, Hongwei Sun will be your contact during my absence.

Regards,
Bill Wesse
MCSE, MCTS / Senior Escalation Engineer, US-CSS DSC PROTOCOL TEAM
8055 Microsoft Way
Charlotte, NC 28273
TEL:  +1(980) 776-8200
CELL: +1(704) 661-5438
FAX:  +1(704) 665-9606


-----Original Message-----
From: Bill Wesse 
Sent: Friday, August 28, 2009 7:27 AM
To: 'Andrew Bartlett'
Cc: [email protected]; [email protected]; Matthias Dieter Wallnöfer
Subject: RE: [cifs-protocol] Please clarify LSA and OsVersion behaviour in 
MS-NRPC (SRX090727600015)

Thanks for the information Andrew; I have proposed we add additional 
NetrLogonGetDomainInfo coverage to our test suites.

Regards,
Bill Wesse
MCSE, MCTS / Senior Escalation Engineer, US-CSS DSC PROTOCOL TEAM
8055 Microsoft Way
Charlotte, NC 28273
TEL:  +1(980) 776-8200
CELL: +1(704) 661-5438
FAX:  +1(704) 665-9606


-----Original Message-----
From: Andrew Bartlett [mailto:[email protected]] 
Sent: Thursday, August 27, 2009 5:44 PM
To: Bill Wesse
Cc: [email protected]; [email protected]; Matthias Dieter Wallnöfer
Subject: RE: [cifs-protocol] Please clarify LSA and OsVersion behaviour in 
MS-NRPC (SRX090727600015)

On Wed, 2009-08-26 at 09:52 -0700, Bill Wesse wrote:
> Hello again Andrew - I have a 'short' answer for you.
> 
> Windows 2008 does the following additional checks:
> 
> 1. NETLOGON_WORKSTATION_INFO.DnsHostName and ComputerName match 
> appropriately (re: trailing '$' on ComputerName) 2. 
> NETLOGON_WORKSTATION_INFO.DnsHostName suffix is checked against 
> msDS-AllowedDNSSuffixes.
> 
> I can't at the moment be more complete, without exercising 
> NetrLogonGetDomainInfo against 2000, 2003 and so on. I hesitate to attempt a 
> description against code hand-checks, as it is just too easy to miss 
> something.
> 
> Do you have any test software already configured to do that?

You could hack the GetDomainInfo test in smbtorture's RPC-NETLOGON.  We don't 
have anything that lets you set it arbitrarily from the command line (yet, I 
could write it).

Andrew Bartlett

--
Andrew Bartlett
http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Cisco Inc.
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