[Samba] Samba4 internal DNS not responding to DNS requests
lee at leecallen.com
Wed Jan 9 09:51:27 MST 2013
I was sure I had disabled firewall and SElinux on this box. But I can't
establish a netcat connection to the server so something is up.
On 09/01/13 15:20, Lee Allen wrote:
> I meant to include that in my original description. Samba is definitely
> listening for the DNS requests. Here it is:
> $ netstat -npl | grep 53 | grep LISTEN
> tcp 0 0 127.0.0.1:53 0.0.0.0:*
> LISTEN 15799/samba
> tcp 0 0 192.168.0.13:53 0.0.0.0:*
> LISTEN 15799/samba
> On Wed, Jan 9, 2013 at 10:05 AM, Rowland Penny <rpenny at f2s.com> wrote:
> On 09/01/13 14:32, Lee Allen wrote:
>> I am not able to get the Samba4 internal DNS server to respond to DNS
>>> requests on the network.
>>> I am running Samba4 4.1.0pre1-GIT-c1fb37d on my CentOS 6.3 system. I
>>> followed the instructions here:
>>> I configured Samba4 to use the internal DNS server. My Samba4 server is
>>> 192.168.0.13. Its full hostname is ubuntu-ad.allenlan.net. The realm is
>>> The DNS testing section of the document passes:
>>> $host -t SRV _ldap._tcp.allenlan.net.
>>> _ldap._tcp.allenlan.net has SRV record 0 100 389
>>> $host -t SRV _kerberos._udp.allenlan.net.
>>> _kerberos._udp.allenlan.net has SRV record 0 100 88
>>> $host -t A ubuntu-ad.allenlan.net.
>>> ubuntu-ad.allenlan.net has address 192.168.0.13
>>> I configured my Windows XP system with a DNS of 192.168.0.13 (Samba4
>>> When I perform the Windows command "nslookup ubuntu-ad.allenlan.net" (or
>>> any variation of that) it reports:
>>> DNS request timed out.
>>> timeout was 2 seconds.
>>> *** Can't find server name for address 192.168.0.13: Timed out
>>> (above 3 messages repeat again)
>>> Default servers are not available
>>> Server: UnKnown
>>> Address: 192.168.0.13
>>> The Windows system can ping the Samba4 server by IP address.
>>> Any help would be appreciated! More configuration information below.
>>> domain allenlan.net
>>> nameserver 192.168.0.13
>>> workgroup = ALLENLAN
>>> realm = ALLENLAN.NET
>>> netbios name = UBUNTU-AD
>>> server role = active directory domain controller
>>> dns forwarder = 192.168.0.1
>>> interfaces = 192.168.0.13 127.0.0.1
>>> bind interfaces only = yes
>>> log level = 3
>>> server services = smb, rpc, nbt, wrepl, ldap, cldap, kdc,
>>> winbind, ntp_signd, kcc, dnsupdate, dns
>>> 192.168.0.13 ubuntu-ad ubuntu-ad.allenlan.net
>>> 127.0.0.1 localhost localhost.localdomain localhost4
>>> ::1 localhost localhost.localdomain localhost6
>>> Thank you.
>>> Lee Allen
>>> Hi, What does 'netstat -npl | grep 53 | grep LISTEN' return?
>> This message has been scanned for viruses and
>> dangerous content by MailScanner, and is
>> believed to be clean.
>> To unsubscribe from this list go to the following URL and read the
>> instructions: https://lists.samba.org/****mailman/options/samba<https://lists.samba.org/**mailman/options/samba>
> Hi, I thought that there may have been a possibility that dnsmasq was
running, the only other thoughts I have are:
How did you provision?
Is the firewall blocking port 53?
And that good old favourite, Selinux!
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.
To unsubscribe from this list go to the following URL and read the
More information about the samba