[Pdns-users] dnsdist Marking downstream as "down"

[Federico Olivieri]

Found by myself.

RTFM

I haven't read for entire the README :)

"By default, the availability of a downstream server is checked by
regularly sending an A query for "a.root-servers.net.". A different query
type and target can be specified by passing, respectively, the 'checkType'
and 'checkName' parameters tonewServer. The default behavior is to consider
any valid response with a RCODE different from ServFail as valid. If the
'mustResolve' parameter of newServer is set to true, a response will only
be considered valid if its RCODE differs from NXDomain, ServFail and
Refused."

Still remain the question about the dnsdist+recursor...Maybe I'll find the
answer before the end of the README file

Federico

2015-12-17 14:44 GMT+00:00 Federico Olivieri <lvrfrc87 at gmail.com>:

> Hi all,
> I'm playing around with dnsdist on my raspberry. My idea is to use it as
> load balancer between 2 server. I had a look around and I have implemented
> this conf
>
> root at raspberrypi:/etc/dnsdist# cat dnsdist.conf
> newServer{address="192.168.0.3"}
> newServer{address="5.172.1xx.xx"}
>
> When I start dnsdist I get this message Marking downstream 192.168.0.3:53
> as 'down' and seems not working
>
> Dec 17 14:26:46 raspberrypi dnsdist[2434]: Listening on 127.0.0.1:53
> Dec 17 14:26:46 raspberrypi dnsdist[2434]: dnsdist 0.0.523g812632e comes
> with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to
> redistribute it according to the terms of the GPL version 2
> Dec 17 14:26:47 raspberrypi dnsdist[2434]: Marking downstream
> 192.168.0.3:53 as 'down'
> Dec 17 14:26:48 raspberrypi dnsdist[2434]: Marking downstream
> 5.172.120.59:53 as 'down'
>
> Questions:
>
>    1. there is extra conf that I need to do?
>    2. How dnsdist recognizes if a server is UP or DOWN
>
> Another question. Is it possible to run dnsdist in the same server that
> running pdns-recursor? My understanding is that both use 127.0.0.1 in order
> to run and they cannot coexist. maybe there is a way to bind dnsdist to
> another interface
>
> Thanks!!!
>
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