Re: Usage of the machine account for ldapsearch

On Mon, 16 Feb 2026 08:07:46 +0100
Matthias Kühne | Ellerhold Aktiengesellschaft via samba
<[email protected]> wrote:

> Hello Christian,
> 
> Thanks! Ive got the Keytab now and klist -kte /etc/krb5.keytab shows 
> entries, but using kinit on them leads to an error:
> 
> kinit -kt /etc/krb5.keytab 'host/[email protected]'
> kinit: Client 'host/[email protected]' not found in Kerberos 
> database while getting initial credentials
> 
> Using kinit with '[email protected]' works though, but the 
> ldapsearch doesnt work:

You shouldn't need to run kinit, the 'machine ticket' is in memory.

> 
> ldapsearch -Q -o ldif-wrap=no -Y GSSAPI -H
> ldaps://dc1.ad.ellerhold.lan -b dc=AD,DC=ELLERHOLD,DC=LAN
> ldap_sasl_interactive_bind: Invalid credentials (49)
>      additional info: 80090346: LdapErr: DSID-0C090711, comment: 
> AcceptSecurityContext error, data 35b, v1db1
> 
> Any idea what Im doing wrong?

Not entirely sure, I tested this against one of my Samba DCs:

sudo ldapsearch -Q -o ldif-wrap=no -Y GSSAPI -H
ldap://dc01.samdom.example.com -b dc=SAMDOM,DC=EXAMPLE,DC=COM

NOTE: I added 'ldap server require strong auth = no' to the DC, to take
ldaps out of the picture.

I ran the above command and got a dump of my AD domain.

I didn't kinit as the computer, winbind does this for you and, as I
said, it puts the kerberos ticket in memory.

Rowland

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