rc.firewall, DHCP, not my router

From: Alex (bluezpower_at_hotmail.com)
Date: 04/19/04 

Date: 19 Apr 2004 14:55:45 -0700

Hello all:

My landlord shares his wireless DSL with the rest of the folks in the
house/apartment. He has an Airport router which serves up DHCP (and
receives a single dynamic IP from the provider). I am running a
webserver behind the router through dyndns.org and now I would like to
put rc.firewall in place with some good rules. The only problem is I
can only assign my ethernet card a private IP. (no sense having two
ethernet cards for this set-up)

Is there a good rc.firewall ruleset that addresses this set up? I'm
guessing this would be nearly impossible since everything is private
IP. I don't have access to his router (to replace his airport with a
linux firewall leading directly out to the provider, for example).
Unless there is some way to specify that all incoming traffic from the
gateway... but, see! I don't think so.

Any help would be appreciated. Thanks in advance to the group and to
any effort toward helping to sort this out.

Alex

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