Recent posts

OpenBSD PF and OpenDNS

1 minute read

At home, I needed a way to prevent anything but OpenDNS from being used for DNS, and needed a rule that would do it in OpenBSD PF.

AWS IP Range Automation

less than 1 minute read

AWS provides a list of their IP ranges for you to use when configuring whitelists, firewalls, and other things. The list is available in JSON from: