Sorry in advance I'm not much help. In a terminal, do `man ifconfig` and `man nfe` to read the manpages for ifconfig and the nfe driver. You can use ifconfig(8) then to set a media...
I'm not sure I understand the question. FreeBSD doesn't forward anything by default ... and, you don't mention what "request" is to be forwarded. Are you trying to use a graphical browser to access...
I use Xfce4 for my "main" desktop box. It's very "Gui-ish", and my one issue with it is that there is little support for keyboard shortcuts. If, for some reason, your mouse dies, as one of mine did...