On 01/13/2015 12:10 PM, Mateusz Guz wrote:
> Have you found a solution?
>
> Did u allow master dns server to update the slave in /etc/named.conf ?
>
>
>
> -----Original Message-----
> From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf
> Of John R Pierce
> Sent: Monday, January 12, 2015 7:02 AM
> To: centos@centos.org
> Subject: Re: [CentOS] Zone file not written to slave DNS server
>
> On 1/11/2015 9:28 PM, Emmett Culley wrote:
>> I have mostly succeeded in getting master and slave DNS servers operational.
>> Mostly, because the zone file is not written when a zone is updated on the
>> master server when the notify and transfer process happens.
>>
>> The slave DNS server gets the changes to the modified zone, but the slave
>> zone file remains as before. I've found a few tutorials and lots of
>> discussions, many of which talk about the slave's zone file getting written
>> upon transfer, but none mention what configuration option would cause the
>> slave's files to get updated.
>>
>> The master is on a Cantos 6 server and the slave is on a Cantos 7 machine.
>
> does the named service have write access to the slave directory ? chown
> named.named /path-to-named/slave
>
> oh, is your slave chrooted? are you looking in the right directory, eg,
> /var/named/chroot/var/named/slave ?
>
>
I am seeing the following in the log:
Jan 13 12:08:44 g1 named[16370]: 13-Jan-2015 12:08:44.792 general: info: zone
mydomain.com/IN: Transfer started.
Jan 13 12:08:44 g1 named[16370]: 13-Jan-2015 12:08:44.885 xfer-in: info:
transfer of 'mydomain.com/IN' from xx.xx.xxx.xxx#53: connected using
66.208.208.151#40226
Jan 13 12:08:44 g1 named[16370]: 13-Jan-2015 12:08:44.948 general: info: zone
mydomain.com/IN: transferred serial 112
Jan 13 12:08:44 g1 named[16370]: 13-Jan-2015 12:08:44.948 xfer-in: info:
transfer of 'mydomain.com/IN' from xx.xx.xxx.xxx#53: Transfer completed: 1
messages, 38 records, 898 bytes, 0.063 secs (14253 bytes/sec)
Jan 13 12:08:44 g1 named[16370]: 13-Jan-2015 12:08:44.949 notify: info: zone
mydomain.com/IN: sending notifies (serial 112)
Yet the slaves/mydomain.com.db file does not get updated. There must be an
option I am not setting correctly.
Slave config:
Global:
options {
allow-notify { mas.ter.IPa.ddr; };
allow-transfer { mas.ter.IPa.ddr; };
.
.
.
};
Per zone:
zone "mydomain.com." IN {
type slave;
file "slaves/mydomain.com.db";
masters { mas.ter.IPa.ddr; };
};
Master config:
Global:
options {
allow-transfer { sla.ve.IP.net/28; 127.0.0.1; };
also-notify { sla.ve.IPa.ddr; };
allow-update { none; };
notify explicit;
.
.
.
};
I also tried it with allow-update set to slaves IP address, even though I was
sure that option was about dynamic DNS, not zone transfer to a slave. Of
course that didn't work either.
Emmett
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