BIND 10 #415: new query logic for in memory data source (1)

BIND 10 Development do-not-reply at isc.org
Fri Dec 3 16:04:45 UTC 2010


#415: new query logic for in memory data source (1)
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      Reporter:  jinmei    |        Owner:  jinmei               
          Type:  task      |       Status:  reviewing            
      Priority:  major     |    Milestone:  y2 12 month milestone
     Component:  b10-auth  |   Resolution:                       
      Keywords:            |    Sensitive:  0                    
Estimatedhours:  0.0       |        Hours:  0                    
      Billable:  1         |   Totalhours:  0                    
      Internal:  0         |  
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Comment(by jelte):

 Replying to [comment:4 each]:
 >
 > But REFUSED is what you get from BIND 9.
 >
 > Of course, BIND 9 *can* do recursion, and it's the allow-query-cache and
 allow-recursion ACLs that prevent it from doing so, so the REFUSED *is*
 happening because of an ACL, not data presence.  But we're aiming for
 compatibility with BIND 9 here, and auth-only name servers send REFUSED
 when you ask for a nonexistent zone.
 >

 interesting, I did not know that. I know at least one competitor that
 returns SERVFAIL ;)

 > (REFUSED may be a better choice than SERVFAIL anyway because a resolver
 that gets SERVFAIL will keep trying other name servers in the NS RRset,
 whereas with REFUSED it could give up immediately.)

 If that is so, it sounds like a feature, not a bug. After all, there is a
 reasonable chance that the other servers in the NS set are not lame...

-- 
Ticket URL: <http://bind10.isc.org/ticket/415#comment:5>
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