After reading some of the LaBrea documentation, I'm going to give it a try. From the docs, I believe that I need some extra public IP address space. I don't have many extras, but I've found that unused address space can actually cause some network traffic problems (at least with my Comcast SMC cable router).
Here's my plan:
I wonder how this would affect email harvester and automated comment spammers? Let's find out. This will have to wait a few hours while I build another FreeBSD machine. Still trying to figure out if I can get wake on lan to work. I've been emailing with a FreeBSD developer a bit and with his expertise and my relentless pursuit to make stuff work, we might be able to find success.