[Samba] Reverse DNS
cn at brain-biotech.de
Thu Jun 27 08:59:26 UTC 2019
How does your
Path may vary depending how you installed samba.
Am 27.06.19 um 10:54 schrieb L.P.H. van Belle via samba:
> A few things to add/check.
> For that test with that pc: this part from the previous mail.
> Jun 27 10:55:07 server5-ad dhcpd: Release: IP: 192.168.14.198
> Jun 27 10:55:07 server5-ad dhcpd: execute_statement argv = /usr/local/bin/dhcp-dyndns.sh
> Jun 27 10:55:07 server5-ad dhcpd: execute_statement argv = delete
> Jun 27 10:55:07 server5-ad dhcpd: execute_statement argv = 192.168.14.198
> Jun 27 10:55:07 server5-ad dhcpd: execute_statement argv = 00:50:56:9b:37:9b
> Jun 27 10:55:07 server5-ad sh: /bin/bash: /usr/local/bin/dhcp-dyndns.sh: Permission denied
> Jun 27 10:55:07 server5-ad dhcpd: execute: /usr/local/bin/dhcp-dyndns.sh exit status 32256
> Jun 27 10:55:07 server5-ad kernel: [ 1396.188371] audit: type=1400 audit(1561596907.856:94): apparmor="DENIED" operation="open" profile="/usr/sbin/dhcpd" name="/usr/local/bin/dhcp-dyndns.sh" pid=2557 comm="dhcp-dyndns.sh" requested_mask="r" denied_mask="r" fsuid=112 ouid=0
> Jun 27 10:55:07 server5-ad dhcpd: DHCPRELEASE of 192.168.14.198 from 00:50:56:9b:37:9b (WIN7VM01) via ens160 (found)
> Jun 27 10:55:07 server5-ad dhcpd: Removed reverse map on 126.96.36.199.in-addr.arpa.
> Jun 27 10:55:09 server5-ad named: samba_dlz: starting transaction on zone lin.group
> Jun 27 10:55:09 server5-ad named: client @0x7efc58052610 192.168.14.198#50682: update 'lin.group/IN' denied
> The apparmer profile, you added? : /usr/local/bin/dhcp-dyndns.sh r ? Or rx ?
> Can you show what you added? And where exact.
> Now can you check the following.
> Open the windows DNS mannager, and goto the needed forward zone where WIN7VM01 exist.
> Check its rights on that object? Do you see "WIN7VM01$(ADDOM\WIN7VM01$) with full control?
> And do the same for the reverse zone. Do you see on the reversi IP also "WIN7VM01$(ADDOM\WIN7VM01$) with full control?
> If that full control is missing, add it.
> Then reboot the pc, wait/login and check again.
> Then i also suggest, you check the output of ipconfig /all of the windows client with the dhcp settings.
> To make sure this is all correctly set.
> As in check if that matches with the needed settings for DDNS updates.
> The client will then request that the server update the PTR record by using the FQDN.
> The DHCP server is configured to register DNS records according to the client's request, the client registers the following records:
> The PTR record.
> The A record that uses the name that is a concatenation of the computer name and the primary DNS suffix.
> The A record that uses the name that is a concatenation of the computer name and the connection-specific DNS suffix.
> And on the client check if this is set correctly.
> Then goto Control Panel, double-click Network Connections.
> Right-click the connection that you want to configure, and then click Properties.
> Click Internet Protocol (TCP/IP), click Properties, and then click Advanced.
> Click DNS.
> Is "Register this connection's address in DNS " checked?
>> -----Oorspronkelijk bericht-----
>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
>> Rowland penny via samba
>> Verzonden: donderdag 27 juni 2019 8:50
>> Aan: sambalist
>> Onderwerp: Re: [Samba] Reverse DNS
>> On 27/06/2019 02:06, Praveen Ghimire wrote:
>>> Hi Rowland,
>>> Just as a test, I installed the dhcp server in the DC ( in
>> the lab). Then configured the dhcp as per the wiki
>>> This is what I see. And again the forward zone update
>> despite the errors but the reverse doesn't
>> I think you will find that the DHCP server isn't updating
>> anything, it
>> is your clients updating their own records, but they are not setup to
>> update their reverse record (I believe this is the default)
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Dr. Christian Naumer
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