combo wireless and wired home network

[Harry Putnam]

Ed Wilts <ewilts at ewilts.org> writes:

> My laptop has 2 connections - one wired when it's on my desk, and one
> wireless.  When I'm wired, I'm on the inside.  When wireless, I have
> restrictions as to which ports I can go through.  The ports available
> through the wireless router are a subset of what's available on the
> inside firewall.  Nobody gets on the inside of the inner firewall unless
> they have a cable they can plug into my firewall/switch.  

Just a point of information (previso: I know very little about
wireless):  

If you were to have hooked the wl router up on the inside network.
Can't it be set to only receive connect from the MAC address of your
laptop?  Or do you need dhcp?