How to allow set Host file dns query priorities in BIND

David Sparro dsparro at
Wed Feb 23 18:13:52 UTC 2011

On 2/23/2011 12:19 PM, Kevin Darcy wrote:
>> On 2/23/2011 4:57 AM, Eivind Olsen wrote:
>> reason. And if your Internet connection goes down, does it really matter
>> whether you can do lookups, if you can't make the connections anyway?
> I hear that reasoning a lot, but it's actually a fallacy. Some
> applications/subsystems differentiate between "host not found" errors
> (considered "permanent") and "cannot connect" errors (considered
> "temporary" and retryable). In fact, those might be very different code
> paths, and the app/subsystem behavior might differ wildly.

An app that treats "can't get an answer" the same as "the answer is 'it 
doesn't exist'" is doing something wrong.  Although I guess I'm not 
trying to say that those apps don't exist.


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