type forward instead of "type hint"

[Pedro Espinoza]

On Tue, Apr 8, 2008 at 6:33 PM, Mark Andrews <Mark_Andrews at isc.org> wrote:
>
>  > On Tue, Apr 8, 2008 at 5:36 PM, Barry Margolin <barmar at alum.mit.edu> wrote:
>  >  > In article <ftgi6t$2oea$1 at sf1.isc.org>,
>  >  >
>  >  >  "Pedro Espinoza" <raindoctor at gmail.com> wrote:
>  >  >
>  >  >
>  >  > > I tried it; it worked like charm.
>  >  >  >
>  >  >
>  >  >  How is it different from just using the global "forwarders" and "forward
>  >  >  only" options?
>  >
>  >  Well, this server is authoritative name server for a couple of sub
>  >  domains. Hence, global forwarders is not option, as we often change
>  >  the records in our domains. We just want to forward all other queries
>  >  to forwarders, except for the domains we are authoritative.
>
>         You are confused about how forwarders work.
>
>         Forwarders *never* override local content.  They *just*
>         change where queries that recurse are sent to.
>
>         The nameserver looks in local zones (master/slave) for the
>         answer and if found that is returned.  The cache is then
>         examined and if the answer is found there then that is
>         returned.  If "rd" was set then the query recurses and if
>         forwarders are set they are used instead of the normal
>         nameservers to get the answer.  If "rd" is not set then
>         a referral is returned.
>
>         allow-query / allow-query-cache / allow-recusion / recursion
>         also impact on the above description.
>
>         options {
>                 ....
>                 forwarders { .... };
>                 forward <value>;
>         };
>
>         and
>
>         zone "." {
>                 ....
>                 forwarders { .... };
>                 forward <value>;
>         };
>
>         are IDENTICAL as far as named is concerned.
>
>         Mark


Thank you! I have learned something new:)




>  >  >  > On Tue, Apr 8, 2008 at 2:47 PM, Pedro Espinoza
>  > <raindoctor at gmail.com> wrote:
>  >  >
>  >  >
>  >  > > > Hi,
>  >  >  > >
>  >  >  > >  I have the following in named.conf
>  >  >  > >
>  >  >  > >  zone "." {
>  >  >  > >         type hint;
>  >  >  > >         file "../root.ca";
>  >  >  > >  };
>  >  >  > >
>  >  >  > >
>  >  >  > >  Can the above be replaced with something like this?
>  >  >  > >
>  >  >  > >  zone "." {
>  >  >  > >    type forward;
>  >  >  > >    forwarders {10.0.0.2; 10.0.0.3; };
>  >  >  > >    forward only;
>  >  >  > >  };
>  >  >  > >
>  >  >
>  >  >  --
>  >  >  Barry Margolin, barmar at alum.mit.edu
>  >  >  Arlington, MA
>  >  >  *** PLEASE don't copy me on replies, I'll read them in the group ***
>  >  >
>  >  >
>  >
>  --
>  Mark Andrews, ISC
>  1 Seymour St., Dundas Valley, NSW 2117, Australia
>  PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org
>