Change records in DNS slave if master is offline

[Roberto Carna]

Warren, thanks a lot....with the masterfile-format clause it works OK.

Greetings!!!

El jue, 16 dic 2021 a las 15:43, Warren Kumari (<warren at kumari.net>) escribió:
>
>
>
> On Thu, Dec 16, 2021 at 10:37 AM Roberto Carna <robertocarna36 at gmail.com> wrote:
>>
>> Dear all, I have one BIND9 server as master and 3 as slaves.
>>
>> The master and one slave are in a given site #1, and the other two
>> slaves are in a geographical different site #2.
>>
>> In case site #1 goes offline, I need to edit records in both slaves
>> from site #2, in order to point some services to other public IP's for
>> contingency.
>>
>> My question is:
>>
>> What is the recommended way to edit the records from a BIND9 slave?
>> Because the zone files are binary files
>
>
> Yup, if you are running (IIRC) > v9.9.x, the default is binary files.
> You can convert these beck to text with:
> named-compilezone -f raw -F text -o example.com.text example.com example.com.binary
>
> You can also change the default in named.conf:
> options {
> // many many options
> masterfile-format text;
> //
> // many other options
> //
> }
>
> The raw (binary) zone files are good for large zones, but for small zones, where speed isn't super important, text format works just fine...
> W
>
>
>>
>> and using the Webmin interface
>> is blocked.
>>
>> The only manner is changing the configuration from slave to master?
>>
>> Thanks in advance, greetings!!!
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>
>
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