My idea was to build/simulate a typical firewall setup with a redundant firewall, where the secondary box takes over if the primary fails. After considering a Linux based solution, I decided to try a BSD based approach, since this OS family seemed very suitable for this kind of setup. After playing around a bit with some open source based firewall appliances like m0n0wall and pfsense, I did what real men do - and settled for OpenBSD Continue reading "Failover firewalls with OpenBSD + VMware Server, part I: The network scenario"