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Configuration DNS Linux Bind8.0

Posted on 2002-03-07
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Last Modified: 2010-03-18
Hello, I'm a french beginner on Linux system and i am installing a dns server under a Red Hat 7.2 after the configuration of the different folders : 127.0.0, 192.168.0, dns_test.fr and named.conf. The following error appear "the default for the 'auth-nxdomain' option is now 'no'.However the command /etc/init.d/named start is working and show me that the starting of named is ok.
What does it means and how it's possible to resolve the problem?
With best regards
thank you.
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Question by:crichen
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4 Comments
 
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Expert Comment

by:jlevie
ID: 6847789
That's not an error, but rather an informational message telling you that the default for auth-nxdomain is no. In Bind 8 the default for this was yes.

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Author Comment

by:crichen
ID: 6849983
thank you jlevie however i would like to know what does it means if the answer is no, does it means that my bind version is 4 or 9.How to change it, and if i have to change it.

thank you
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Accepted Solution

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jlevie earned 225 total points
ID: 6850384
Unless you've changed from RedHat's version of bind you are running bind 9 (9.1.3 to be exact). From the Bind 9 Administrator Reference Manual:

"auth-nxdomain

If yes, then the AA bit is always set on NXDOMAIN responses, even if the server is not actually authoritative. The default is no; this is a change from BIND 8. If you are using very old DNS software, you may need to set it to yes."

Basically what that means is that BIND now won't claim to be authoritative when returning a non-existant domain answer for domains that it isn't authoritative for. I'd doubt that you'd have old enough DNS clients around for that to be a problem, so you should probably accept the default.
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Author Comment

by:crichen
ID: 6850448
Thank you for all, your experience was very usefull for me,a simply beginner.
Thank you and maybe see you soon.
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