protectivedad

> @BKPepe any change we can merge this? (and backport?) I think freeradius is a pretty used package and noticing some complain this doesn't work. Does this still require openssl-legacy?...

Not sure how helpful this is but I tested it on my Geeni Outdoor Duo plug GNC-OW102-103. Which has a Tuya CB3S Module (BK7231N). I connect to mosquitto running on...