Hi there,

I'm running four pfSense 2.0.1s. Each of them serves 1 different LAN, 192.168.{1,2,3,4}.0/24

There are layer 3 OpenVPN tunnels between them.

I had the hope of setting up internal DNS subdomains for each site

site1.intra.mysite.com
site2.intra.mysite.com
site3.intra.mysite.com
site4.intra.mysite.com

with some DNS server at each site
  a) looking after the host entries at each site
b) forwarding the request to an upstream DNS server if some name can't be resolved locally
  c) and caching the results of b)

What I want is the following:

Each host at each site should ask the respective pfSense box for name resolution (local, internal, and external). local Requests should be trivial. Internal Requests, i.e. requests about a box at another site should be forwarded to the pfSense box at the other site. Respnses should be cached. Requests for external names should be passed to the next upstream DNS (each pfSense box has its own WAN connection with ISP DNS servers). Responses should also be cached, of course.

What's the right way to do this on pfSense? I saw the TinyDNS package and tried it out, unsuccessfully, however (caused lots of <defunct>s racing through the process list).

Has anyone here done this before in a similar fashion?

Cheers,
Ray

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