How to: Raspberry Pi
* [Ard Ray](http://blog.mxard.com/persistent-iptables-on-raspberry-pi-raspbian) - Persistent IPtables on Raspberry Pi (Raspbian)
* [Raspberry Pi Stack Exchange](https://raspberrypi.stackexchange.com/questions/1247/what-should-be-done-to-secure-raspberry-pi) - What should be done to secure Raspberry Pi?
* [Stefan Pröll](https://blog.stefanproell.at/2016/03/20/a-reasonable-secure-password-database-with-versioning-and-remote-access/) - (2016) A Reasonable Secure, Self-Hosted Password Database with Versioning and Remote Access