Date: Tue, 12 Sep 2000 20:14:16 -0400 From: Damian Gerow <damian.g@home.com> To: freebsd-questions@freebsd.org Subject: ipfw fwd Message-ID: <39BEC6D8.D6878055@home.com>
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I'm looking for a little bit of help with my firewall configuration.
A while ago, I set up a firewall using ipfw after some troubles getting
NAT to work. Everything works fine now, but I can't get "ipfw fwd" to
work. I've got one external IP, and wish to run a mail server on the
private network inside, forwarding all SMTP traffic destined for the
firewall to this SMTP server.
Here's the applicable rules (in this order):
ipfw add fwd 10.0.0.25 log logamount 500 tcp from any to ${oip} 25
ipfw add divert natd all from any to any via ${oif}
ipfw add pass all from any to any keep-state ipoptions established
Default policy is set to deny. I also happen to be running BIND on this
same machine, and found that I had to put the "ipfw allow" rules in
before the natd rules, or it wouldn't work. But this is another
question.
Can anyone help?
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