On 27 April 2016 at 08:34, Sean Son <linuxmailinglistsem...@gmail.com> wrote:
> Thank you for your response. Basically what I am trying to do is migrate > the BIND server from a Centos 5.11 machine to a CentOS 7.2 machine. The > BIND on CentOS 5.11 was compiled manually by source and its named.conf file > looks very different than what CentOS/Red Hat provides in the RPM package > named.conf file. Any tips on how I should go about migrating successfully > from the 5.11 machine to the 7.2 machine? > Your best approach is to have a careful look at the named.conf you're migrating from and understand what options are required by your DNS needs, and which are just related to how the Centos 5 machine is organized. You can then merge the former set (your requirements) into the default config of the Centos 7 machine. > > > As for the named.service unit file that Reindl provided, will I need to > call upon any RNDC services? I saw that in the named.service file that > comes with the RPM/YUM package contains a call to some RNDC service which > calls up some generate-rndc-key.sh script.. I am not too sure of what the > names of the files are. > rndc is the command line interface to a running BIND server. (BIND == berkeley internet name domain, rndc == remote name domain controller (or something to that effect)). The rndc.conf file must agree with the named.conf file on where BIND's controller interface is (the controls{}; clause in named.conf) and what key to use for authentication, if any. For example, named.conf might have something like this: controls { inet 192.0.2.1 port 953 allow { 192.0.2.100; } keys {"rndc-key"; }; }; While your rndc.conf might have: options { default-key "rndc-key"; default-server 192.0.2.1; default-source-address 192.0.2.100; default-port 953; }; It sounds to me like the named.service file you mention is probably generating a default rndc.conf file if one doesn't already exist.
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