Split DNS Configuration in BIND

Ryan Novosielski novosirj at umdnj.edu
Tue May 31 06:25:06 UTC 2011

Hash: SHA1

On 05/31/2011 01:35 AM, Robert Spangler wrote:
> On Tuesday 31 May 2011 00:56, the following was written:
>>  Its very simple,
>>   If you know basic firewall concept, we will configure source NATing from
>> public IP address to original website private address in firewall. So when
>> any users from internet access my company website, they should obviously
>> get public IP of my company website and once they get the IP address from
>> DNS, it can contact the website using source NATing in firewall. 
>>  Here my concern is not with NATing or firewall. My basic requirement is
>> how can i configure split DNS to maintain two different Ip address for a
>> same website. 
> I think you are getting your terminology mixed up here.
> Split DNS is when you have 2 DNS servers, one internal and the other external.  
> Internal server serves the clients internally and the External services the 
> people on the Internet.  This setup is very easy as both server hold the same 
> records with the proper ip addresses.
> The other would be VIEWS.  This is when you have a single DNS server serving 
> both internal and external requests but you want to supply different ip 
> address for the same host name depending on where the request is coming from.
> If you are thinking/talking VIEWS then give this website a look:
> http://www.howtoforge.com/two_in_one_dns_bind9_views
> http://www.cyberciti.biz/faq/linux-unix-bind9-named-configure-views/

...the end result of which (just to check my own knowledge) is the same
as a split DNS, just without needing a second set of servers, right?

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|Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - Sr. Systems Programmer
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\__/ Univ. of Med. and Dent.|IST/CST-Academic Svcs. - ADMC 450, Newark
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