On 12/23/2017 11:07 PM, Michelle Konzack wrote:
I have just discovered several entries ofDec 24 06:26:49 dns1 named[16591]: update-security: error: client +37.157.109.77#2936: update 'tdnet.eu/IN' deniedWhich is realy bizzar, because this is the 4G/LTE IP of my ThinkPad T400 with Windows 7 Home Edition installed...
Does Windows think it's FQDN is <NetBIOS name>.tdnet.eu?
Can someone give me a hint what is trying to update my <tdnet.eu> and only this one?
It sounds like it's trying to do a Dynamic DNS update to the MNAME server listed in the SOA record, namely dns1.tamay-dogan.net.
In the logfiles I do not find more infos.
Run a packet sniffer on your ThinkPad and see what it's trying to do. If it is what I think it is, you can probably cause it to attempt to happen by restarting the NetLogon and / or Workstation service.
Note: This is one of the reasons to use a sub-domain for office networks, particularly with Windows machines.
-- Grant. . . . unix || die
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