Best Practices for Authoritative Servers

Danny Mayer mayer at gis.net
Sat Feb 2 20:13:59 UTC 2008


Kevin Darcy wrote:
>>     It's not the only software not to have a DWIM mode, and with
>>     good reason.  Somewhere, there has to be a responsible person
>>     in charge.  Identifying which elements of a configuration
>>     correspond, in the mind of that person, to a particular
>>     purpose, is not something which software can reliably do.
> Perhaps I wasn't clear. I wasn't talking about DWIM, I was talking about 
> a way within named.conf to *explicitly* tell named which of the masters 
> are "peers" versus which of them are truly "upstream". "Serial number 
> ok" responses from "upstream" masters would reset the timers are per 
> usual, but wouldn't reset the timers when received from "peer" masters, 
> whose only purpose is to ensure that the latest version of the zone gets 
> out everywhere. Thus, if the only good refreshes come from "peer" 
> masters, eventually the zone will expire.

The master is listed in the SOA record. If it's not from there it's not 
the master.

Danny



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