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Re: [Samba] Access to sharing by hostname but not by its IP




> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces@xxxxxxxxxxxxxxx] Namens 
> Marc-Henri Pamiseux via samba
> Verzonden: dinsdag 25 juli 2017 12:57
> Aan: samba@xxxxxxxxxxxxxxx
> Onderwerp: Re: [Samba] Access to sharing by hostname but not by its IP
> 
> Well, it's time for a checkpoint...
> 
> Andrew Bartlett, in another thread on this list, give another 
> approach :
> "Because Kerberos can't be done to an IP address."
> 
> And this link from Microsoft too :
> https://support.microsoft.com/en-ca/help/322979/kerberos-is-no
> t-used-when-you-connect-to-smb-shares-by-using-ip-addres
> By the way, "IP addresses are not names, so Kerberos is not 
> used" does not mean Samba could not connect to IP, but it 
> mean Samba will not use Kerberos to do it. Is it only possible ?

If the Kerberos protocol is not negotiated for some reason, Active Directory uses LM, NTLM, or NTLM version 2 (NTLMv2).
some reason =  \\ip\share )  and if you hostname (+search domain) and hostname.domain.tld and PTR resolving does not work correct, 
yes, then you have this problem .

And in this case, windows fals back to NTLM and then you accessing the server as user guest. 
You can try the GPo setting : 
Network security: LAN Manager Authentication Level setting to Send NTLMv2 responses only. 

But this was already in the links i did send you. 

But i suggest you fix you dns resolving. 

I can say. 

\\ip 
\\ip\share
\\servername
\\servername\share
\\servername.fqdn\
\\servername.fqdn\share 

These all work for me. ( samba 4.5.x and samba 4.6.x on all DC and members ) 

> 
> Regards,
> --
> Marc-Henri Pamiseux - SARL Libricks - www.libricks.fr
> 6 rue Léonard de Vinci - CS 20119, 53001 LAVAL Cedex Tel. : 
> 02.30.96.15.24 / Mobile : 06.26.71.30.97
> 
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Greetz, 

Louis


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