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Old 03-25-2004, 10:55 AM   #1
michael_util
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Registered: Feb 2004
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Bind 9 - zone transfer using internal IP ?


Hello,

I am having a problem with Bind 9 and zone transfers ... I have my main DNS server on network A 205.X.X.X out on the internet. It has a public IP. The box is only a DNS server, no other servers and has it's own firewall rules allowing only port 53 traffic.

Now at my location I have setup a secondary DNS server (ns2.domain.com) on a DMZ network. I have added in zones for all of my domains.

I have configured my master server to only allow zone transfers from the public IP of my secondary server.

Now when I start the secondary server for the first time it will do all the zone transfers fine. If I update the SOA on the master it notifies the secondary and all the zone transfers happen.

But I see the following in the log file:

client 192.168.X.X#57970: bad zone transfer request: 'ns.domain.com/IN': non-authoritative zone (NOTAUTH)

I believe the problem is the secondary is sending it's internal IP in a zone transfer request ?

Any suggestions would help !!

Michael.
 
Old 03-25-2004, 11:15 AM   #2
michael_util
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Registered: Feb 2004
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Nevermind .. I solved the issue ... there where some domains pointing to the same zone file and where setup as secondary.

Michael.
 
  


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