I run OpenBSD routers in production. When getting the lay of the land to set these up I came across OP&#x27;s link as well as <a href="http:&#x2F;&#x2F;www.bsdnow.tv&#x2F;tutorials&#x2F;openbsd-router" rel="nofollow">http:&#x2F;&#x2F;www.bsdnow.tv&#x2F;tutorials&#x2F;openbsd-router</a> and a few others like <a href="http:&#x2F;&#x2F;geodsoft.com&#x2F;howto&#x2F;harden&#x2F;" rel="nofollow">http:&#x2F;&#x2F;geodsoft.com&#x2F;howto&#x2F;harden&#x2F;</a>