I’m in the same boat. My HA is in a network with unrestricted outbound traffic but restricted inbound. This network is not administrated by me and no policy to bend here about routers, firewalls, IoT VLANs, etc. The solution I find to remotely administrate the HA is to get either Nabu Casa (NC) or a VPN client on the HA that connects to my external VPN server. The HA runs Hassio for stability reasons (no other option, supervised nor container, to consider). As I understand it, NC is limited to one HA per subscription and so no possible to consolidate multiple HA in one account.
- I’m not familiar with NC but would it be possible to get NC to bridge to multiple MQTT brokers?
Back to the VPN client topic. I understand there is no real interest in getting a VPN client in the Add-on Store because, as mentioned above and by Franck Nijhof, it would defeat the commercial principal behind Nabu Casa. I have full respect for that possible reason because this fantastic solution needs to get financed somehow.
I really hope the people behind Nabu Casa to develop a sort of Nabu Industrial (or Pro) version of it aimed to the professional and industrial market.
As it can be noticed, the few non official add-on VPN clients alternatives have had a relative ephemeral operational life and so not reliable as mid/long-term solution.
Having all this said, my biggest hope relies on a Nabu Industrial solution. That would led me to stop hassling with VPN solutions, homemade consolidations, etc. My vote for it!