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From: Eric F Crist <ecrist@ardent-hacker.net>
To: Chris Fedde <chris@fedde.littleton.co.us>,
	freebsd-questions@FreeBSD.ORG
Subject: Re: ppp and nat
Date: Tue, 1 Aug 2000 17:54:26 -0500
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May I ask what sort of application this is going to have?  It will be easier to
offer a solution.

On Tue, 01 Aug 2000, you wrote:
> On Fri, 21 Jul 2000 22:11:13 -0400 (EDT)  Mark Lapointe wrote:
>  +------------------
>  | Right now I am using FreeBSD 4.0 as a gateway, and I need to get ident
>  | requests to be answered by the boxen behind the gateway. 
>  | 
>  | And I don't want to redirect the port to one specific box (like I saw in
>  | some of the other email msgs)
>  | 
>  | later,
>  +------------------
> 
> Hum...  Ident requests coming from the outside will arrive with the
> destination address of the natbox.   If I remember right there is
> nothing in the protocol that allows the request to be mapped to a
> host inside the nat.  That means that some special footwork would
> have to be done to allow the identd process to probe the natd lookup
> table and map the port in the ident request to an inside port and
> address.  Then forward the request, maybe with a spoofed source
> address.  Seems like a tall order for something with so marginal
> a use.
> 
> chris
> 
> --
>     Chris Fedde
>     303 773 9134
> 
> 
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-- 
Eric F Crist
System Administrator
Ardent-Hacker.net


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