[Samba] Reverse zones fail with secure updates

L.P.H. van Belle belle at bazuin.nl
Tue Nov 22 08:38:30 UTC 2016

Hai James, 

What is the connection's DNS suffix of the pc?
And did you setup TLS in you samba? 

Look here, in the advanded tcp settings of the pc.  ( or ipconfig /all )

And is it ticked "Use this connections dns suffix in dns registration" 
(In dhcp option 81.)

Or use Group policy editors. 
- Computer Configuration\Administrative Templates\Network\DNS Client
	-Connection Specific DNS Suffix: enabled, and set to your.domain.tld
	-Register DNS records with connection-specific DNS suffix: enabled
	-Register PTR Records: enabled
	-Dynamic Update: enabled

Or use static ips, then A and PTR are registered by the computer. 

Key is to remember, Windows uses the connection-specific DNS suffix to register DNS records.



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens lingpanda101 via
> samba
> Verzonden: maandag 21 november 2016 21:14
> Aan: samba at lists.samba.org
> Onderwerp: [Samba] Reverse zones fail with secure updates
> Hello,
>      I'm using Samba 4.5.1 as a ADDC and the internal DNS. If I use
> 'allow dns updates = secure' in my smb.conf. Only A records update. The
> applicable reverse zone fails to update. If I switch to using non secure
> updates both the A and the PTR records are updated. Is someone else able
> to confirm this behavior? Thanks.
> --
> - James
> --
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