DHCP Server: Dynamic DNS required fields are ambiguous
This is a screenshot of the current DHCP Server's advanced Dynamic DNS options, as of 2.3.1-p5:
For the Domain key secret, the pfSense system requires this to be a key made with the
Not knowing what algorithm is needed here, I was using
HMAC-SHA512 for all my DNS keys. After three hours of poking, I realized it needs to be
HMAC-MD5, and fixed that issue.