I have a quick question for you:

I am in the process of setting up ipfw for my server and a small LAN of two pcs.
The FreeBSD server is used as an internet gateway with a dial up connection (ppp -auto 
-alias demand).
My network connection is working fine, however I am getting more and more junk mail 
It looks like some sites are sniffing out my e-mail address, my pc configs, etc.
Hence, I'd like to setup a firewall.
I found many good examples, however they deal with a one pc (FreeBSD) one network card 
For ex: do I need to add "divert" and "bridge" to the Kernel config file? How do I set 
up different rules for for each nic?
I'd like to be able to access the FreeBSD server from my local LAN w/o any 
restrictions but I do not want the internet sites to do the same with my server and 
LAN. Would you have an example setup for this scenario? The FreeBSD server is also 
setup to provide address resolution for the internet.

I'd appreciate any help.

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