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Date:      Tue, 25 Jan 2005 15:14:58 -0800
From:      "Thomas M. Skeren III" <tms3@fskklaw.com>
To:        Brian Reichert <reichert@numachi.com>
Cc:        Mihai Nitulescu <mihaissa@yahoo.com>
Subject:   Re: public ip address behind nat
Message-ID:  <41F6D2F2.9070605@fskklaw.com>
In-Reply-To: <20050125193419.GJ80512@numachi.com>
References:  <20050124232119.66192.qmail@web30406.mail.mud.yahoo.com> <20050125193419.GJ80512@numachi.com>

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Brian Reichert wrote:

>On Mon, Jan 24, 2005 at 03:21:19PM -0800, Mihai Nitulescu wrote:
>  
>
>>In the LAN i have the other machine application.example.com
>>I have some Public IP`s from my ISP :
>> 
>>193.231.43.25-30  
>>255.255.255.248
>> 
>>I want to assign to application.example.com 193.231.43.27 and to route this ip trough nat.example.com
>> 
>>Any ideea how can i do that ?
>>    
>>
I'm having problems with your setup.  Is Application.example.com at 
193.531.43.27 or is it on the lan with an internal address?

If it's internal, then machines on the lan can see the internal IP, so 
there's no reason for it to have a public address.  If machines outside 
the lan need to get to app.ex.com, then use natd_flags in rc.conf and 
point the ports you need opened on app to the local addy of app, and use 
the NAT's external addy for the external users of app.  That would be 
the easiest way if you don't want to give an external addy to app.

Of course the easiest way is to just give app an external addy and plug 
it into the ISP supplied router.  Unless app is a M$ box, of course.

>
>See 'redirect_address' in natd(8).
>
>I believe you'll also need to assign your public IPs to the external
>interface of your NAT box.
>
>I have a similar setup, but I need to review just what I've done
>to make that work...
>
>  
>
>>Please help.
>> 
>>Regards,
>> 
>>Mihai
>>    
>>
>
>  
>



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