Date: Wed, 20 Dec 2000 11:11:12 -0800 From: Chris Stankevitz <CStankevitz@cpagents.com> To: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Freebsd firewall on my ISP-assigned subnet Message-ID: <0DF776DB4CA1D411A77F005004CEBE9703FADE@cbexchange>
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xl0 xl1
--|DSL|----|freebsd |----|LAN|--
|Rtr| ^ |firewall| ^
| |
+------------+
128.97.10.0/24
Is this possible? (I have attempted to show a freebsd machine with two
interfaces, both on the same subnet but connected to different hubs)
If so, how does firewall machine know which interface to use when sending a
packet to the 128.97.10.0/24 subnet?
If not, how does one implement a firewall (without using nat) on an 'isp
assigned' subnet? I've read countless faqs on nat-style firewalls and ipfw
rules, but none seem to address this "one subnet" issue.
Thanks for your help,
Chris
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