How to set up VPN server on Raspberry Pi [Complete Guide]
DIY Raspberry Pi WiFi VPN/TOR Router | Make:
pi 2 - VPN Passthrough two ethernet interface - Raspberry Pi Stack Exchange
Last night I finished my Raspberry Pi VPN router for my home network, complete with a kill switch for whenever I need to switch to clean network. : r/VPN
Build Your Own Raspberry Pi VPN Server - Pi My Life Up