[Samba] After joining domain, Samba uses the workgroup name, not the FQDN when running the net ads command

[Jonathan S. Fisher]

Rowland, any chance you could do the packet capture I described? It's
really bothering me. Thank you!

On Tue, Dec 1, 2015 at 10:36 AM, Jonathan S. Fisher <
jonathan at springventuregroup.com> wrote:

> Checked with the network guy... yes, the main DNS is indeed dnsmasq. He
> has a delegation though, so any query for WINDOWS.corp.XXX.com winds up
> going to to the correct place:
>
> domain=/windows.corp.XXX.com/192.168.127.141
> domain=/windows.corp.XXX.com/192.168.112.4
>
> The DC's (192.168.127.141, 192.168.112.4) are indeed running DNS (I can
> dig at them). Would it just be easier to make this host have a static IP?
> If so, what settings does samba need for DNS?
>
> Here's the other files as requested:
>
> /etc/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 192.168.127.129
> search windows.corp.xxx.com
>
> /etc/krb5.conf
> [libdefaults]
> default_realm = WINDOWS.CORP.XXX.COM
>
> /etc/samba/smb.conf
> [global]
> netbios name=freeradius
> security=ADS
> workgroup=WINDOWS
> realm=WINDOWS.CORP.XXX.COM
> local master=no
>
> log file=/var/log/samba/%m.log
> log level=3
>
> dedicated keytab file=/etc/krb5.keytab
> kerberos method=secrets and keytab
> winbind refresh tickets=yes
>
> winbind trusted domains only=no
> winbind enum users=yes
> winbind enum groups=yes
> winbind nested groups=yes
>
> load printers=no
> template shell=/bin/false
>
> idmap config WINDOWS:backend=autorid
> idmap config WINDOWS:range=10000-99999
>
> On Tue, Dec 1, 2015 at 10:27 AM, Rowland Penny <
> rowlandpenny241155 at gmail.com> wrote:
>
>> On 01/12/15 16:02, Jonathan S. Fisher wrote:
>>
>>> Well I got one step farther...
>>>
>>> hostname -d and hostname -f now work correctly if I add this line to
>>> /etc/hosts
>>>
>>> /etc/hosts
>>> 127.0.0.1   localhost
>>> 127.0.1.1 freeradius.windows.corp.springventuregroup.com <
>>> http://freeradius.windows.corp.springventuregroup.com> freeradius
>>>
>>> But same error on the rpc command. It's still asking DNS for
>>> "_ldap._tcp.pdc._msdcs.WINDOWS" not "_ldap._tcp.pdc._
>>> msdcs.WINDOWS.CORP.XXX.COM <http://msdcs.WINDOWS.CORP.XXX.COM>"
>>>
>>> Can you do a tcpdump on yours and see what the desired behavior is? I
>>> used this command: "sudo tcpdump-vvv -s 0 -l -n port 53 -w dns.pcap". Start
>>> the dump, then run "sudo net rpc info -Uadministrator"
>>>
>>>
>>>
>> If you are using 127.0.1.1 in etc/hosts on Ubuntu, then you are using
>> dnsmasq.
>> If you are using dnsmasq, then it is unlikely your dns setup will find
>> the DC
>> Just a thought, is there a DNS server running on the AD DC ?
>> There should be and your client should be using this as its DNS server,
>> AD lives and dies on DNS.
>> There shouldn't be a dns server running on your domain member, it should
>> be using the AD dns server.
>>
>>
>> Rowland
>>
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>
>

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