Re: Multiple instances of BIND at startup
- From: Jonathan Chen <jonc@xxxxxxxxxxx>
- Date: Thu, 22 May 2008 15:59:13 +1200
On Wed, May 21, 2008 at 10:21:05PM -0400, Steve Bertrand wrote:
[...]
My authoritative name server (service, eventually cluster) will
eventually house about 500 domains, which I want only recursive DNS
servers that come from the root .tld down to see (no caching).
The caching name server (service, and eventually cluster) will see tens
of thousands of our clients requests (we are an ISP) to use as their DNS
lookup, which will perform recursive lookups that we are not
authoritative for.
I'm sorry, I don't know how to put it into other words, other than I
want complete separation from dns authoritative and dns caching services
to be disparate.
Let's say your authoritative server is listening on IP-A, and your
caching server is listening on IP-B; both ip-addresses are on the same
host. We can have a named instance listening on both addresses, with
multiple views like:
/*
Used by root .tld.
*/
view "authoritative"
{
match-destination
{
IP-A;
};
recursion no;
zone "my.authoritative.org"
{
type master;
...
};
....
}
/*
Use by our client requests.
*/
view "caching"
{
match-destination
{
IP-B;
};
recursion yes;
zone "my.authoritative.org"
{
type master;
...
};
....
}
The "match-destination" inspects the DNS address used by the client to
query to determine which view to use. Would this suit your purpose?
--
Jonathan Chen <jonc@xxxxxxxxxxx>
----------------------------------------------------------------------
"Nyuck, nyuck, nyuck" - Curly
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