*BSD News Article 91456


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From: "Jordan K. Hubbard" <jkh@FreeBSD.org>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: IP Masquerading
Date: Tue, 18 Mar 1997 10:10:17 -0800
Organization: Walnut Creek CDROM
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Message-ID: <332EDA89.41C67EA6@FreeBSD.org>
References: <01bc32ee$06f29e20$0c428c8c@zloty.brooks.af.mil>
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To: Richard Stevens <richard.stevens@brooks.af.mil>
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:37375

Richard Stevens wrote:
> 
>  Newbie hear asking a simple question..
> 
>    I've played and configured a Linux box but keep hearing raves about
> FreeBSD. SO I'm considering installing a FreeBSD on one of my machines.. Is
> there provisions in the kernel on configuring IP masquerading like is
> capable with Linux?

With 2.2, you have the -alias flag to ppp for doing IP masquerading
(also called NAT - Network Address Translation).  There's also an
experimental natd which uses 2.2's divert(4) sockets to accomplish this
for all interfaces, not just ppp.  Do a net search on "natd" for more
information.
-- 
- Jordan Hubbard
  FreeBSD core team / Walnut Creek CDROM.