[Citadel Support] (no subject)

[Harbard]

I am about to open my Citadel (Yggdrasill) to the outside world.  Any advice
on what security steps I should take to protect the rest of my home
network?  The citadel server is being run on a dedicated box using Ubuntu, I
have 2 windows boxes, my main computer running Ubuntu, and a network printer
set up.  Everything is behind a hardware firewall built into my router.  My
board will be invitation only, but I would still expect a few unwanted
visitors.