Date: Tue, 17 Mar 1998 12:58:57 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Tim Gustafson <guff@falconsoft.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: another ppp question Message-ID: <Pine.BSF.3.96.980317125748.994h-100000@gdi.uoregon.edu> In-Reply-To: <3.0.5.32.19980317004710.00a3f9b0@mail.falconsoft.com>
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On Tue, 17 Mar 1998, Tim Gustafson wrote: > is it possible for a tcp/ip host using the ppp -alias feature to bind a > port to the outside world? ie: > > +------+ +------+ +--------+ > | HOST |--------| PPP | ----- INTERNET ------- | CLIENT | > | | | GATE | | | > +------+ +------+ +--------+ > > Bind a port on HOST > PPP-GATE dials up to internet, gates HOST's network > CLIENT connects to port bound on HOST The problem is teaching the ppp gateway that incoming connections on port X need to be send to host instead. The -alias feature completely masks out the internal network that host is on, so only the ppp gateway is visible. You can do this with ipfw/natd. I don't know if you can force a dialout with it though. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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