I recently bought myself a Raspberry Pi B+ (picture semi-related). I had no initial plans on what I was going to with it, but I ended up installing Raspbian and setting up a PPTP VPN in my home’s DMZ (There are plenty of guides online if you are looking to do this). The reason I went with PPTP over IPSEC or L2TP is because PPTP is so easy to set up. It took about 15 minutes to get it up and running. Even though PPTP is no longer considered a “secure” VPN, I wanted to be able to have an encrypted connection anytime I was on a public WiFi.