Date: Fri, 30 Oct 1998 08:44:25 +0100 From: Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE> To: Frederico Costa <fpcosta@get2net.dk>, ISDN-List <freebsd-isdn@FreeBSD.ORG> Subject: Re: Using ipfw and NATD Message-ID: <19981030084424.B21167@gil.physik.rwth-aachen.de> In-Reply-To: <3638C650.73A16E9B@get2net.dk>; from Frederico Costa on Thu, Oct 29, 1998 at 08:47:28PM %2B0100 References: <3638C650.73A16E9B@get2net.dk>
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On Thu, Oct 29, 1998 at 08:47:28PM +0100, Frederico Costa wrote:
> Hi ...
>
> I don't know if this is the right mailing list to put this question but
> as it involves i4b i will post to this list also and if someone can help
> i woul apreciate.
>
>
> First i will describe my configuration.
>
> I have three pc's at home, and i have a connection to an ISP.
>
> This connection is made by ISDN.
>
> And i thought the following. Well i can put FreeBsd in the small
> computer and connect this to my ISP, and then build a small network and
> i can surf the internet from both computers.
>
> I have done almost everything by the book.
>
> I have compiled the kernel with the options IPFIREWALL and IPDIVERT.
>
> I added the natd to the /etc/services.
>
> I enabled the gateway and the firewall through rc.conf
>
> Then i add the use the following to connect to my ISP:
>
> # Put isdn working
> isdnd -l
> papauth="myauthname=xxx myauthsecret=xxx"
> spppcontrol isppp0 myauthproto=pap $papauth hisauthproto=none
>
> ifconfig isppp0 inet 0.0.0.0 0.0.0.1 link1 debug
> route add default 0.0.0.1
>
> And then i use
>
> natd -interface isppp0
>
> And the rules
>
> /sbin/ipfw -f flush
> /sbin/ipfw add divert natd all from any to any via ed0
^^^^
I think this gotta be the isdn interface (isppp0).
That's at least as it works for me here (I'm using raw IP over ipr0 though)
> /sbin/ipfw add pass all from any to any
>
>
> I think the problem is related to the fact that i am using dynamic ip's
> when i connect to the ISP, so i tried the dynamic flag in the natd, but
> nothing change.
The other thing may be the HUP natd thing (you may scan the list for
this topic).
>
> I have 2.2.7 RELEASE.
>
> If i don't use the natd and the firewall i can connect to the internet
> using freebsd. And i can connect from the computers to the freebsd
> through my network.
>
> But when i use the natd and ipfw, i can't to the internet and i can't
> either connect from the computers to the freebsd
>
>
> Did anyone experience some problems like this. Can anyone point
> directions ?
>
>
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--
--Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
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