Jan-Piet Mens wrote:
1. I don't see how to run both concurrently on the same host as they always
conflict on the IP. The host has a singe address - 192.168.40.252.
You cannot run two services of any kind on a single IP address, so
running two DNS servers on one address won't work. See if you can put
one of the servers on a loopback address, and the other on your public
IP.
in any case, its not really a good idea to have your recursor and
authoritative DNS servers on the same host... however, to add onto
Jan-Piet Mens comment, a cheap and dirty way to accomplish this would be
to assign a virtual interface to your primary NIC with another IP, then
assign the authorative server to use it, with the recursor setup on the
'real' interface open to the world...... then use the
"forward-zones-recurse=" function on the recursor to foward queries to
the 'virtual IP addressed' authoritative server. obviously there will be
cons to using this setup, and isnt advisable to use this in a live
environment (best to have two physical NIC's with seperate public IP's
that listen and respond to request individually for each server).
all the best
kt.
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