@NexusUKOrg @SteveM_1960 @norfolkmustard @agile_phil @octopus_energy @aaylett @SmartEnergyGB @alexbloor Does it verify the cert it receives? Might be worth screwing with DNS and pointing it at an NGinx stream module so that you can MiTM and look at what it's sending (assuming it's doesn't bork on the cert, anyway)