Date: Mon, 8 Feb 1999 11:40:26 +0300 From: "Igor Sysoev" <igor@nitek.ru> To: <freebsd-questions@FreeBSD.ORG>, <rivers@dignus.com> Subject: Re: PPP and ipfw/natd - what's the interface to use for natd? Message-ID: <199902080841.LAA09676@gate.nitek.ru>
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> From: Thomas David Rivers <rivers@dignus.com>
> My ISP is moving me off of SL/IP and onto PPP. So, I've got to brave
> the waters and set everything up again.
>
> I believe using pppd is pretty straight forward, and shouldn't present
> me with too many problems... but, I have a question.
>
> Right now, I use the following ipfw/natd rules to do some forwarding
> and gateway stuff:
>
> (from /etc/rc.conf):
> natd_interface="sl0"
> natd_flags="-m -u -dynamic -redirect_port tcp 10.0.0.11:telnet 6666
-redirect_port udp 10.0.0.11:telnet 6666"
>
> And, from /etc/rc.firewall:
>
> ...
> $fwcmd add divert natd all from any to any via ${natd_interface}
> ...
> $fwcmd add 400 pass tcp from any to 166.82.177.48 7490
> $fwcmd add 401 pass tcp from any to 10.0.0.10 7490
> $fwcmd add 65000 pass all from any to any
>
>
> So - now - how do I redo this using pppd? Basically, I'm asking what
> the natd_interface should be. Is it tun0? Just what is the interface
> in this case? I'd rather change a little as possible, so I'd like to
> just get pppd working (kernel-mode ppp) with my current natd/ipfw
> setup instead of using the ppp natd support...
pppd interface is ppp0, ppp - tun0.
With best regards,
Igor Sysoev
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