I have had a Mac OS X Server running as a home server for a few months by now, and am very pleased with how it is working. I have 4 users on this server, and I just set up the VPN service today. The VPN service is the first, and only, internet-accessible service that is currently enabled on this server. Are there any extra security steps I need to take because I now have a service open to the internet other than the usual/simple stuff (keeping passwords secure, etc.)? Thanks!