Date: Sun, 6 Jan 2002 11:36:40 +0800 (WST) From: Dean Hollister <dean@odyssey.apana.org.au> To: cjclark@alum.mit.edu Cc: questions@freebsd.org Subject: Re: ipfw question Message-ID: <20020106113530.R85470-100000@odyssey.apana.org.au> In-Reply-To: <20020105184641.G204@gohan.cjclark.org>
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On Sat, 5 Jan 2002, Crist J. Clark wrote: > > I need to divert any outgoing packet on port 100 to any host over to the > > same port on machine B. > > # ipfw add fwd 2.2.2.2 from 1.1.1.1 to any 100 out > > Should do it, provided, > > 1) 2.2.2.2 is local to 1.1.1.1 On the same LAN in other words? > 2) This is _really_ what you want to do. You do realize that the > fwd'ed packet is NOT modified. Machine B will receive a datagram > without the destination address changed in any way (if 1.1.1.1 was > sending a datagram to 3.3.3.3, port 100, Machine B will receive a > datagram with a destination address of 3.3.3.3, port 100). That's fine - I need the destination address to receive the correct origin address. > As I think I said before, you probably actually want to do NAT of some > sort. NAT changes the origin. Regards, d To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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