I've set up an IPsec tunnel between my network at home and my colocated server. This makes a few things easier: I can now connect to all my machines at home from my server without having to set up port forwarding first (using SSH, of course), and it'll always be encrypted, so if I wanted to, I could even use "unsafe" protocols over the internet. It also exercises the Padlock bits of my VIA C3 CPUs, which means