OpenBSD Router Guide is a guide to use OpenBSD as routeur, with firewall rules, DHCP, DNS with Unbound, domain blocking and others informations.
If the OpenBSD FAQ PF show as example router, this guide is very complete, with informations about DNS security, disgressions on DoH, etc.
See: http://openbsdrouterguide.net/
If you'are a french reader, I translate EN → FR, on my personal blog: Guide du Routeur OpenBSD
(personal but not official translation)
