Strange BIND 9.4.1-P1 problem

Fr34k freaknetboy at yahoo.com
Wed Aug 15 13:46:39 UTC 2007


Are we saying that this issue only affects configurations with:
     dnssec-validation yes;
  ...or am I jumping to the wrong conclusion?
   
  Clarification appreciated.
  Thank you.
Mark Andrews <Mark_Andrews at isc.org> wrote:
  
> Mark Andrews skrev, on 14-08-2007 02:28:
> 
> >> [...]
> >>
> >>> Upgrade now.
> >>> When a fix is is available you will need to upgrade again.
> >>>
> >>> I do have a question for you. 
> >>> Does this resolver have DNS validation enabled?
> >> How does a resolver do DNS validation? The MTA (Postfix latest stable) 
> >> on all the sites I administer does DNS validation for each message it 
> >> receives, and if an address isn't valid it gives an smtp 450 - till the 
> >> sending MTA gives up in the end - or adapts. But how does a resolver do 
> >> DNS validation?
> > 
> > Named has a resolver built into it. It also has a server built into
> > it. Let me rephrase the question.
> > 
> > Does named have DNS validation enabled?
> 
> This is a new one on me. I've looked through the admin doc and grep 
> -i'ed in the doc arm directory and all I can find is DNSsec validation, 
> which I can understand. Nor does Google turn anything up about any DNS 
> validation that I didn't know already.
> 
> What's meant by "DNS validation" in this context?

dnssec-validation yes;

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org







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