[Samba] RPC and NDR errors in log file
L.P.H. van Belle
belle at bazuin.nl
Fri Nov 2 15:54:03 UTC 2018
Based on : IsSigneddnsserver: Invalid zone operation
Are you running against a ( forwarded ) DNSSEC server or DNS Crypt server.
Try an other forward if are.
If you running internal samba DNS, try bind9_DLZ
Handy list for dnssec and dns crypt:
> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> James Atwell via samba
> Verzonden: vrijdag 2 november 2018 16:28
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] RPC and NDR errors in log file
> On 10/30/2018 10:17 AM, James Atwell wrote:
> > On 10/29/2018 1:57 PM, Rowland Penny via samba wrote:
> >> On Mon, 29 Oct 2018 13:20:18 -0400
> >> James Atwell via samba <samba at lists.samba.org> wrote:
> >>> Hello List,
> >>> I'm receiving several of these messages
> in my samba
> >>> log file. I'm not entirely sure what the errors are referencing
> >>> either. I'm under the assumption DNS related.
> >>> ndr_pull_error(11): Pull bytes 1 (../librpc/ndr/ndr_basic.c:81)
> >>> ../librpc/rpc/dcerpc_util.c:264: ERROR: pad length mismatch.
> >>> Calculated 44 got 0
> >>> I have 3 sites with 2 DC's per site. These messages are
> only coming
> >>> from one site and both DC's are logging the errors.
> >>> Since I suspect DNS related, I will provide my setup configs.
> >> The message is coming from dcerpc_util.c, so it probably
> has nothing to
> >> do with dns
> >>> cat /usr/local/samba/etc/smb.conf
> >>> # Global parameters
> >>> [global]
> >>> dns forwarder = 220.127.116.11 18.104.22.168
> >> You are using Bind, so, as the 'dns forwarder' line will
> be ignored, you
> >> might as well remove it.
> >> I think we need to know more about your set up, OS versions etc.
> >> Also I would take it as a big favour if you found a better
> email client
> >> that didn't add all the blank lines ;-)
> >> Rowland
> > I removed the dns forwarder line as it was left over when using the
> > internal DNS at one point. Thanks.
> > I have 6 DC's all using Ubuntu 16.04.5 LTS. I believe I previously
> > indicated they were 14.04 releases. A total of 3 sites with
> 2 DC's at
> > each. Using rysnc sysvol replication as well. All DC's are using
> > bind9 for DNS. All DC's are compiled from tar and using 4.9.1.
> > I was previously using Samba 4.8.6 prior to upgrading to
> 4.9.1. I was
> > not alerted to these errors until after the upgrade.
> > As a side note I have been on the list under a previous
> email if all
> > this sounds familiar. I switched back to using Thunderbird
> so curious
> > if it resolves the blank space issue as well.
> The issue actually appears across all sites. Not just the one I
> initially suspected. I was able to capture another log event but this
> time more data was with with it.
> dnsserver: Invalid zone operation IsSigneddnsserver: Invalid zone
> operation IsSigneddnsserver: Invalid zone operation
> Invalid zone operation IsSigneddnsserver: Invalid zone operation
> IsSigned../librpc/rpc/dcerpc_util.c:264: ERROR: pad length mismatch.
> Calculated 44got 0
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