Need assistance with configuring external zone on a 2nd CentOS 7 bind v9.4.4 dns slave

Barry Margolin barmar at
Wed Apr 8 14:54:02 UTC 2015

In article <mailman.1910.1428503936.26362.bind-users at>,
 William Clarke <wclarke at> wrote:

> Resending because the message was over 40K... I removed most of the 
> internal\external zones and logs to shorten the message.
> We have a split DNS chrooted master\slave setup running on CentOS 5.11. 
> I have 3 named.conf files below, Working master, working slave and a new 
> CentOS 7 non-working slave that I'm trying to spin up. The internal 
> zones do get transferred\updated however theexternal zones aren't 
> transferring at all, the master doesn't even have any mentioning of 
> external transfers for this specific slave. I have a hunch that this is 
> either happening because I don't have multiple network adapters 
> configured ie split DNS for slave or possibly a hostname issue. I tried 
> to basically mirror the setup of my new slave all except the ip address. 
> My new slave is The instructions I followed to set this 
> up was from: 
> /

Since the new slave only has one address, you can't use the IP to 
distinguish which view should be sent in a zone transfer. You need to 
use TSIG keys.

Barry Margolin
Arlington, MA

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