[OT] network traffic and DNS servers (was: Re: [Catalyst] warning)

[Octavian Rasnita]

From: "Kiki" <kiki at bsdro.org>

> Octavian Rasnita wrote:
>> From: "Carl Johnstone" <catalyst at fadetoblack.me.uk>
>>
>>>> My site is accessed with 2 different domain names, and the app must 
>>>> send a cookie that specify a domain, because otherwise Firefox doesn't 
>>>> send the cookie back to the server.
>>>
>>> I've given you an answer to that problem once. Redirect domain2.com to 
>>> domain1.com and only serve your site through domain1.com
>>>
>>> You can't use the same cookies on both domains, which means that a users 
>>> state will be changing if they switch between domain1 and domain2. You 
>>> SEO will be better because all your pages and traffic are concentrated 
>>> on the same domain.
>>
>> Yes I know that, and I would also like to not need using 2 domain names.
>> My colleagues access the site in intranet with a local IP (192.168...) 
>> and the public access it on another public IP.
>> Our sysadmin told me that this way is better because we won't make 
>> traffic (and slow down) on the public network interface.
>> And he also told me that he cannot assign a single domain name that 
>> points to 2 different IP addresses, because we have a single DNS. He told 
>> that yes, if we would have 2 DNS, he could make one work for the intranet 
>> and one for the internet access, but it is not the case.
>>
> I don't know if this applies to your network setup, still:
>
> 1. If the public and the private IP are on the same physical host, the 
> packets coming from your LAN won't "make traffic" on the public interface 
> (i.e. they won't take out of your external bandwith).
>
> 2. If your nameservers run BIND9, you can serve different zone files to 
> different networks from the same nameserver using the "view" feature:
>
> http://www.oreillynet.com/pub/a/oreilly/networking/news/views_0501.html
> http://www.openaddict.com/node/30
>
> HTH

Thank you. I will tell him and maybe he could change something, because it 
could solve other issues.

Octavian