[Samba] accessing foreign AD users to NT domain

L.P.H. van Belle belle at bazuin.nl
Wed Aug 26 09:48:55 UTC 2020


That is because.. Your not sending the DOMAIN\username but COMPUTER\username, so access denied. 
I know its something like that in the backgrond, but i dont code "Windows" ;-) 

So, this is the only part i use: 

net use g: \\server.fqdn.tld\share /persistent:yes /user:NT4DOM\%username% 
net use k: \\server.fqdn.tld\share /persistent:yes /user:ADDOM\%username% 

Stop using : 

\\hostname\share 
This only works if and due. 
1) the search/primary domain is same in pc and servers. 
2) netbios resolving works ( or due dns proxy = yes ) and/or due a working LLMNR setup. (default in windows 10) 
  Do read : https://www.crowe.com/cybersecurity-watch/netbios-llmnr-giving-away-credentials 

\\IP\share 
Only works good if.. 
1) the PTR record is registered to the correct "hostname.FQDN.TLD" 

So, only use : 
\\host.fqdn.tld\share for all servers

For all above you need A + PTR for a good working kerberos setup


Howto use your samba shares and setups, due all new security things in windows.. 

Follow these rules.. 
https://support.microsoft.com/en-us/help/909264/naming-conventions-in-active-directory-for-computers-domains-sites-and 

And only use \\host.fqdn.tld\shares 

I'm doing this since 2016, after microsoft adviced to use it. 
Its somewhere in there docs.. 

Greetz, 

Louis

   


> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Piviul via samba
> Verzonden: woensdag 26 augustus 2020 11:13
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] accessing foreign AD users to NT domain
> 
> Per chi vuole guardare il log generato aggiungo una piccola legenda: 
> ZIZI (192.168.70.3) è il server samba, win7pro-v01 
> (192.168.64.12) è il 
> client win7; inoltre il dominio AD si chiama CSATEST mentre 
> il dominio 
> NT (anche se non compare nei logs) si chiama DOMINIOCSA.
> 
> Piviul
> 
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