Date: Wed, 29 Aug 2001 16:15:19 From: "Joel Rosenberg" <thisisjoel@hotmail.com> To: cjclark@alum.mit.edu Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Forwarding packets from the internal network Message-ID: <F163qpfkNsjUHQHh2wL00015a7c@hotmail.com>
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> > >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. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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