forwarding options?

[Kevin Darcy]

Why not run rbldnsd on the same box, on an off-port? That's what we do.

- Kevin

Matus UHLAR - fantomas wrote:
> Hello,
>
> Is it possible to tune forwarding options a bit? I'm subscribed  in this
> list just for a while, maybe this was discussed already, but I haven't find
> any record about that (links, hints welcome)
>
> I have one local rbldns server whicvh mirrors some DNS zones and I have
> configured BIND to forward requests for the zones to that server first.
> However when the server crashes or is rebooted, forwarding slows responses
> down too much. I would like to have an option here to set maximum timeout when forwarding
> to server, e.g. 3 seconds, which should be enough for deciding that the
> server is not alive.
>
> Another option that comes to my mind is to working with farm of DNS caches.
> Forwarding requests to them first could spare them from sending too many
> requests to the world and imho even speed up DNS resolving.
> That requires ability to send requests with RD bit set off not to create any
> loop. And also it would require the feature above not to slow down if one of
> caches is down.
>
> Combination of those two above would be also nice. That would require
> two-level forwarding - local rbldns mirror(s) first, neighbour caches after,
> and standard resolving then. 
>
> Any opinions? Should I just post enhancement requests?
>
>