Date: Mon, 13 Aug 2001 11:03:12 -0500 (CDT) From: Nick Rogness <nick@rogness.net> To: Rodney Dickerson <rdickers@columbus.rr.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: ipfw and natd question Message-ID: <Pine.BSF.4.21.0108131058560.26968-100000@cody.jharris.com> In-Reply-To: <005601c1240a$df948510$0200000a@chrome>
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On Mon, 13 Aug 2001, Rodney Dickerson wrote: > Well I got ipfw to work, finally, and everything seems to be ok. I am > running v4.3 on a P-133 with 128MB RAM, and I was surprised to see > that it runs at less than 1% utilization. Pretty Cool! > > Anyway, I am using roadrunner, and I have 2 machines on the private > network. Now I want to run an ftp server on one machine, and I am not > sure how to configure the ipfw rules for that. I followed the ipfw > how-to, sort of, and had to modify it slightly to work with a cable > modem instead of a modem (ppp). > > My question is this: Do I use natd to redirect incoming connections > on port 21 to my internal server (10.0.0.10), or do I use an ipfw > command? I think that it will be ipfw, but I am not sure on which > command to use (divert, fwd, tee, or what) and the syntax. Keep in > mind that I have a dynamic public ip (on interface rl0), so I need the > rule to be dynamic. Any help would be appreciated. Thanks! > Do not touch ipfw. This is a natd thing since you must change the destination ip. Look at the natd man page, specifically the "redirect_port" option section. Something like: -redirect_port tcp 10.0.0.10:21 21 option to natd should do the trick. Nick Rogness <nick@rogness.net> - Keep on Routing in a Free World... "FreeBSD: The Power to Serve!" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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