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Re: IP Address Translation

daemon@ATHENA.MIT.EDU (Matti E Aarnio)
Mon Aug 19 05:35:27 1996

From: Matti E Aarnio <mea@mea.cc.utu.fi>
To: jos@xos.nl (Jos Vos)
Date: 	Mon, 19 Aug 1996 11:20:51 +0300 (EET DST)
Cc: linux-net@vger.rutgers.edu
In-Reply-To: <199608190803.KAA08855@minnie.xos.nl> from Jos Vos at "Aug 19, 96 10:03:28 am"

> > > I have several people now interested in doing 1-1 address translation at a
> > > router, including some large sites.  Can Linux do this now?  I have heard
> > > some Cisco routers do it.
> > 
> > 	I don't see any reason that it would be any simpler (or more
> > 	difficult, for that matter) than masquerading.
> 
> Yes, it is really different.  With masquerading you need to allocate
> local (fake) ports, which isn't necessary doing translation.

	I still don't believe it to be that different (with exception of
	(fake) port allocation.  Rules at choosing new ip-addresses/ports
	are slightly different, but there is no difference at the requirement
	of editing application specific datastreams -- talk, ftp, irc, ...

> Someone is already working on it, as far as I know, so there is a good
> chance it will be introduced in 2.1.

	Good.
 
> -- 
> --    Jos Vos <jos@xos.nl>

	/Matti Aarnio <mea@utu.fi>

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