Ok. So, as far as I understand, 'supermaster' table is another 'turn of the screw' in terms of security that powerDNS provides. We could have a slave name server and define a master in our 'domains' table but, unless we insert that master in the 'supermasters' table, all notifications and changes from that master will be banned, right?
> Date: Tue, 14 Sep 2010 07:46:37 -0500 > From: [email protected] > To: [email protected] > CC: [email protected]; [email protected] > Subject: Re: [Pdns-users] Differences between slave and superslave > > Hi Francis, > > You do not want just any nameserver to be able to populate > zones for your servers. The supermaster table is used to > define which servers can do this -- these would be the > servers you manage or trust. > > Cheers, > Ken > > On Tue, Sep 14, 2010 at 01:25:42PM +0200, Francis Ram?rez Verdugo wrote: > > > > Thanks a lot Christian, but I would need a little more explanation: > > > > What's then the difference 'in concept talking' between a slave name server > > and a superslave one (apart, obviously, from having a concrete row in its > > 'supermasters' table)? > > > > I think my main confusion is related with the utility of 'supermasters' > > table. Since, we have the 'domains' table where we can put our masters. Why > > having to do then in another table? Is it maybe a way for making the slave > > more restricted? > > > > > > > Date: Mon, 13 Sep 2010 21:16:50 +0200 > > > From: [email protected] > > > To: [email protected] > > > CC: [email protected] > > > Subject: Re: [Pdns-users] Differences between slave and superslave > > > > > > * Francis Ram?rez Verdugo <[email protected]> [100913 20:50]: > > > > > > > > Hi all, > > > > > > > > I am trying to figure out when a name server is > > > > acting as slave and when as superslave. I mean, What is the difference > > > > which > > > > makes it to be called in these two ways? > > > > > > A superslave [1] is a slave with a configured list of supermasters. How > > > this is configured depends on the backend your're using. For the generic > > > mysql/pgsql backend please look at [2]. > > > > > > > BTW, I supose that the opposite scenario is between > > > > master and supermaster. In fact seting up a name server as supermaster > > > > means > > > > that if another one is a slave of it, actually it is a superslave. > > > > > > There is no special supermaster operation. Any nameserver which is > > > able to act as a master is also a supermaster. This also holds true > > > for other nameserver products. > > > > > > Christian > > > > > > [1] http://doc.powerdns.com/slave.html#SUPERMASTER > > > [2] http://doc.powerdns.com/generic-mypgsql-backends.html#AEN6343 > > > > > > -- > > > christian hofstaedtler > > > > _______________________________________________ > > Pdns-users mailing list > > [email protected] > > http://mailman.powerdns.com/mailman/listinfo/pdns-users >
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