Originally posted here by heatwave
having a static and global IP is a must if you will have to connect from your office to your home (assuming that you will use the internet as a mean of connecting) or if you want you can set-up a RAS server on your home and connect to it via dial-up which will be a different story and configuration. I hope this helps
what about using a ddns?

btw...try proxyplus ,it's free for max. 2 users.

you can get from here:
http://download.proxyplus.de/proxyplus/pplus.exe