Studied more IPv6 and also played around with port forwarding - for which my Fritz!Box modem/router turns out to have a very nice user interface. Set up three forwards, two tested, so I'm sure the one for SSH will also work. \o/ #! I should encounter the SSH one # since I need to re-establish SSH access to NAS and Linode. Firster: #! Good night !tzaf !fediverse !tempfix