You should be able to configure of all of the services listed previously with the computer hardware listed under the Technical requirements for Chapter 1, Revisiting pfSense Basics. Having internet access on the other side of your pfSense firewall is useful for testing Dynamic DNS; often the easiest way to do this is with a mobile connection that provides internet access via a network separate from your home/office broadband connection. A wireless access point or router can be useful if you want to set up DHCP or captive portal on a wireless network. Just remember to disable DHCP if you are using a wireless router (put the router in wireless access point mode and let pfSense act as the DHCP server).