[Samba] mount share using kerberos ticket fails

Rowland penny rpenny at samba.org
Tue Mar 10 10:21:45 UTC 2020

On 10/03/2020 10:10, Yvan Masson via samba wrote:
> Le 10/03/2020 à 10:37, Rowland penny via samba a écrit :
>> On 10/03/2020 09:18, Yvan Masson via samba wrote:
>>> If think I did not properly explain my setup, sorry for that: Samba 
>>> here is not sharing anything. It is just used for joining a Windows 
>>> domain, so that users can sit on a chair in front of this Debian 
>>> computer, use their domain credentials in LightDM, and then access 
>>> theirs personal and shared data (that are shared by the Windows DC, 
>>> mounted locally by pam_mount).
>> Yes, telling us that would have helped.
> I used the word "workstation" in my initial post, thinking it was 
> sufficient.
>>> So, my understanding is that my setup does not require creating an 
>>> UPN and a corresponding keytab to put on this Linux client. I am 
>>> probably not completely wrong as mounting a Windows share on the 
>>> Debian computer using Kerberos now works :-).
>> No, it should work without manually creating any UPN's, SPN's or keytabs
>>> I permit myself this question again: in this setup, is it useful to 
>>> have /etc/krb5.keytab or not?
>> No, you do not need the keytab, you just need the correct setup that 
>> uses the users kerberos ticket via PAM at login.
>> Rowland
> OK thanks. Any idea why mounting a share worked using one servers' 
> hostname and not the other? They both resolve to the same IP.

Because if you are using pam-mount, you should be using the users 
kerberos ticket via PAM at login.


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