Date: Wed, 29 Aug 2001 10:58:45 -0700 From: "Crist J. Clark" <cristjc@earthlink.net> To: Joel Rosenberg <thisisjoel@hotmail.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Forwarding packets from the internal network Message-ID: <20010829105845.A9474@blossom.cjclark.org> In-Reply-To: <F163qpfkNsjUHQHh2wL00015a7c@hotmail.com>; from thisisjoel@hotmail.com on Wed, Aug 29, 2001 at 04:15:19PM %2B0000 References: <F163qpfkNsjUHQHh2wL00015a7c@hotmail.com>
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On Wed, Aug 29, 2001 at 04:15:19PM +0000, Joel Rosenberg wrote: > > > > >I believe what he is saying is that 192.168.1.21 is responding to > > > >port 80 requests with a src_port of 80 and not 81 which would not > > > >work. So if I understand correctly: > > > > > > > > 1) natd gets packet from outside world: > > > > > > > > SOURCE DESTINATION > > > > remote_IP:16675 --> your_nat_outside_IP:81 > > > > > > > > 2) natd changes packet to: > > > > > > > > SOURCE DESTINATION > > > > remote_IP:16675 --> 192.168.1.21:80 > > > > > > > > 3) Packet gets sent to 192.168.1.21 port 80 > > > > > > > > 4) 192.168.1.21 responds sending packet back to natd > > > > machine. > > > > > > > > 5) natd changes packet to: > > > > > > > > SOURCE DESTINATION > > > > your_nat_outside_IP:80 --> remote_IP:16675 > > > >That's not what natd(8) will do. It will change it to, > > > > SOURCE DESTINATION > > your_nat_outside_IP:81 --> remote_IP:16675 > > > > Yeah, that's what it should be doing, but I always end up getting a > connection to the other appliance, 192.168.1.20 after an initial login > prompt. If I'm inside the network, I can go to both fine. Have you run natd(8) with the '-v' option to figure out exactly what it is thinking during all of this? -- Crist J. Clark cjclark@alum.mit.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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