Slave sync (cluster) not working

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#1 Wed, 02/23/2011 - 13:51

Slave sync (cluster) not working

I tried everything related that I've found on these forums but worked. All my servers sending their zones to slave with 0 records inside them.

I have 3 servers having each one their bind (all running Debian) and another one acting as slave. I did exactly what the docs saying at

What I want is server A,B,C to send their zones on server D(the slave). The slave (D) server logs showing:

Feb 23 19:49:42 euve19828 named[3741]: transfer of '' from my-IP#53: failed while receiving responses: REFUSED Feb 23 19:49:42 euve19828 named[3741]: transfer of '' from my-IP#53: Transfer completed: 0 messages, 0 records, 0 bytes, 0.001 secs (0 bytes/sec)

There is no firewall at all in any of the above mentioned servers.

Any idea how to troubleshoot this?

Thu, 02/24/2011 - 04:34

REFUSED probably means that the slave is not in the masters' lists of hosts that are allowed to do zone transfers.

Did you set up the slave correctly as secondary nameserver in Virtualmin? Check the server template, section "BIND DNS Domain", entries "Additional manually configured nameservers" and "Additional named.conf directives for new zones".

Do you see any allow-transfer directives in /etc/bind/named.conf.options or /etc/bind/named.conf.local? See if those match the IP address of your slave.