[Samba] Samba AD - Join MAC

[Micha Ballmann]

Yes,

you re right. Im using the *Samba Internal DNS Back End*. This is my config:

# smb.conf

[global]
         netbios name = DC1
         realm = DOMAIN.DE
         workgroup = DOMAIN
         dns forwarder = <IP FIRST DNS SERVER> <IP SECOND DNS SERVER>
         server role = active directory domain controller
         idmap_ldb:use rfc2307 = yes
         log level = 3
         tls enabled  = yes
         tls keyfile  = tls/key.pem
         tls certfile = tls/cert.pem
         tls cafile   = tls/ca.pem

[netlogon]
         path = /usr/local/samba/var/locks/sysvol/domain.de/scripts
         read only = No

[sysvol]
         path = /usr/local/samba/var/locks/sysvol
         read only = No

# resolv.conf

# Dynamic resolv.conf(5) file for glibc resolver(3) generated by 
resolvconf(8)
#     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver <IP DC2>
nameserver <IP DC3>

Thy very much!

Best regards

Micha
Am 19.04.2018 um 16:42 schrieb L.P.H. van Belle via samba:
> This looks like a resolving misconfiguration.
>
> Post your smb.conf and resolv.conf and hosts and ( if used bind, the bind config )
>
>
>
> Greetz,
>
> Louis
>
>> -----Oorspronkelijk bericht-----
>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
>> lingpanda101 via samba
>> Verzonden: donderdag 19 april 2018 16:28
>> Aan: samba at lists.samba.org
>> Onderwerp: Re: [Samba] Samba AD - Join MAC
>>
>> On 4/19/2018 9:28 AM, Micha Ballmann via samba wrote:
>>> Hello Community,
>>>
>>> im joining several macintosh workstations to my samba AD. First of
>>> all, it works pretty well and im able to authenticate/login
>> my AD user
>>> on a mac.
>>>
>>> Server: Ubuntu 16.04
>>>
>>> SAMBA: 4.7.7
>>>
>>> First:
>>>
>>> Everytime when a mac starts up, some log entries are shown in
>>> log.samba. Looks like (Its not a flood, about 4 messages for each
>>> client):
>>>
>>> [2018/04/19 14:35:04.645001,  0]
>>> ../source4/dns_server/dns_update.c:407(handle_one_update)
>>>    Can't handle updates of type 255 yet
>>> [2018/04/19 14:52:43.556390,  0]
>>> ../source4/dns_server/dns_update.c:407(handle_one_update)
>>>    Can't handle updates of type 255 yet
>>> [2018/04/19 14:52:43.915746,  0]
>>> ../source4/dns_server/dns_update.c:407(handle_one_update)
>>>    Can't handle updates of type 255 yet
>>> [2018/04/19 15:02:25.312616,  0]
>>> ../source4/dns_server/dns_update.c:407(handle_one_update)
>>>    Can't handle updates of type 255 yet
>>> [2018/04/19 15:02:25.692692,  0]
>>> ../source4/dns_server/dns_update.c:407(handle_one_update)
>>>    Can't handle updates of type 255 yet
>>>
>>> Second:
>>>
>>> Everytime when a mac starts up, during the login process, one samba
>>> process/CPU core is running on 100%. After successful login
>> there is
>>> no more CPU peak to see. The login time is about 30-60 second.
>>>
>>> I hope you can help me to understand these messages or behavior.
>>>
>>> Withe best regards
>>>
>>> Micha
>>>
>>>
>> I'm assuming you are using the internal DNS and not bind? If
>> so it looks
>> as if Samba doesn't support the request type.
>>
>> source4/dns_server/dns_update.c
>>
>>      switch (update->rr_type) {
>>           case DNS_QTYPE_A:
>>           case DNS_QTYPE_NS:
>>           case DNS_QTYPE_CNAME:
>>           case DNS_QTYPE_SOA:
>>           case DNS_QTYPE_PTR:
>>           case DNS_QTYPE_MX:
>>           case DNS_QTYPE_AAAA:
>>           case DNS_QTYPE_SRV:
>>           case DNS_QTYPE_TXT:
>>                   break;
>>           default:
>>                   DEBUG(0, ("Can't handle updates of type %u yet\n",
>>                             update->rr_type));
>>                   return DNS_ERR(NOT_IMPLEMENTED);
>>           }
>>
>> Google searching DNS type 255 (RFC 1035) states it's "A
>> request for all
>> records". You could run a trace and see what application is
>> requesting
>> this record type.
>>
>> As far as the cpu usage. I do not know.
>>
>> -- 
>> --
>> James
>>
>>
>> -- 
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>>
>>
>