[Samba] PAM only and Kerberos...

Marco Gaiarin gaio at sv.lnf.it
Wed Jun 6 08:50:00 UTC 2018

Mandi! Robert Marcano via samba
  In chel di` si favelave...

Sorry for the late answer.

> I wonder if you can choose the master as the more robust (HW and SW) of your
> DCs, no idea.

Seems that also the krb5.conf manpage suggest that, eg 'master' is only
a fallback KDC.

> On a non AD Kerberos realm you can get from DNS, For example:
>   dig +short _kerberos._udp.example.com srv
>   dig +short _kerberos-master._udp.example.com srv
> both values, but the last one doesn't show on my Samba AD domain (single
> server)
> My installations of Samba as a AD DC are containerized and single server
> (for now), so I don't know if _kerberos-master._udp doesn't show because
> there is only one DC or if Samba doesn't setup that record.

I confirm, samba does not setup that record, also on a multi-DC setup:

 root at vdcsv1:~# dig +short _kerberos._udp.ad.fvg.lnf.it srv
 0 100 88 vdcsv1.ad.fvg.lnf.it.
 0 100 88 vdcpp2.ad.fvg.lnf.it.
 0 100 88 vdcpp1.ad.fvg.lnf.it.
 0 100 88 vdcsv2.ad.fvg.lnf.it.
 0 100 88 vdctms1.ad.fvg.lnf.it.
 0 100 88 vdcud1.ad.fvg.lnf.it.
 root at vdcsv1:~# dig +short _kerberos-master._udp.ad.fvg.lnf.it srv


dott. Marco Gaiarin				        GNUPG Key ID: 240A3D66
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	(cf 00307430132, categoria ONLUS oppure RICERCA SANITARIA)

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