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Remember that each view is a separate server, that has a limited
access (by the match-clients statement), these clients will see this
server and NOT the other two servers. Likewise a client in the edu
view match list will not see any of the other views (servers).<br>
<br>
This is not one server, where the clients go through the views one
at a time. ANY client has access to ONE server(view) and only one,
the others do not exist for them to see.<br>
<br>
There can be some recursion reaching the other servers in some cases
- for understanding this setup, consider them totally separate.<br>
<br>
On 14/02/11 20:11, Chris Buxton wrote:
<blockquote
cite="mid:096B5A5A-0389-4719-881D-238A63B51538@gmail.com"
type="cite">
<pre wrap="">Rather than dropping all records in the copied zone, just compute a difference and apply it to both views.
Or perhaps you should examine why you are using views in the first place and decide if there is a better way to achieve this.
Regards,
Chris Buxton
BlueCat Networks
On Feb 13, 2011, at 7:12 PM, Terry. wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hello gurus,
Thanks firstly since I have got many helps from the list before.
Now I'm designing a open DNS service, say I have three views as below:
view "uni" {
match-clients {
key "unikey";
UNI;
};
allow-update {key "unikey";};
zone "test.nsbeta.info" {
type master;
file "test.nsbeta.info.uni.db";
};
};
view "edu" {
match-clients {
key "edukey";
EDU;
};
allow-update {key "edukey";};
zone "test.nsbeta.info" {
type master;
file "test.nsbeta.info.edu.db";
};
};
view "any" {
match-clients {
key "defaultkey";
any;
};
allow-update {key "defaultkey";};
zone "test.nsbeta.info" {
type master;
file "test.nsbeta.info.any.db";
};
};
Some customer's domain names have all three views, so I define the
zones in each view, they work fine.
But some customers have only two views, say it's view uni and view any.
Thus I setup zones in view uni and view any, but view edu will be lost.
If the clients from edu network query for the zones, they will get
NXDOMAIN result.
For my DNS service, the customers submit their records from web
interface, the records are inserted into database.
Then a daemon will load the new updated records from database and call
nsupdate to update them to BIND.
I know I can use complicated SQL to resolve it, for example, if the
customer doesn't have edu view, I could copy all the records from any
view to edu view in database with SQL statement. If the customer later
add a record to edu view, before insert it to database, I have to drop
all the before records copied from any view, etc.
But rather than using SQL doing it, is there a good BIND way handling this case?
Thanks in advance.
Regards.
--
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<pre wrap="">
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<pre class="moz-signature" cols="72">--
Best regards
Sten Carlsen
No improvements come from shouting:
"MALE BOVINE MANURE!!!"
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