Re: 2 DNS, one machine

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The bind DNS server supports what are called "views".  In essence this
allows one DNS server to act like it is multiple servers.  It is most
common to use views with a DNS server on a network boundary
(firewall), where one view is for all the hosts inside on the LAN and
another view (usually much sparser) is presented to the outside world
on the Internet.

If you want to do a lot with DNS you'd be best to go get the O'Reilly
book "DNS and Bind".  But the DNS howtos and operations manual may be
enough to get you going.


As far as the private IPv4 addresses,
   10.0.0.0 - 10.255.255.255
   172.16.0.0 - 172.31.255.255
   192.168.0.0 - 192.168.255.255
those can only be used on a network not directly connected to the
Internet.  In fact your ISP's routers will just discard any traffic
with those IP addresses.

Note that you don't necessarily need to give names to any IP addresses
you set up; which means you probably don't need to worry about DNS at
all.
-- 
Deron Meranda


On Sun, 28 Nov 2004 19:49:02 -0500 (EST), Bruce <[email protected]> wrote:
> Is it possible (pratical) to run 2 domain name servers on one linux box (with one processor)?
> 
> I'm installing FC2 to be a server for small home network but I would like to connect to the internet occasionally for updates and such and I need to assign an IP address now while installing. RFC 1597 suggests two DNS as a solution for this situation.
> 
> Do I only need to use one of the addresses assigned for private networks in RFC 1597? It wasn't clear to me when I read the spec if these addresses are reserved globally for private networks or if DNSs connected to the internet always need an assigned IP address.


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