Thank you for all of this, but a vpn solution won’t work for me as I run a VPN all the time on all my machines.

Edit: Upon looking a little on tailscale, I might consider it, seems interesting.

I have read all comments and most of them provide useful information but I think this is what I need indeed.

Do you have any sources / guides on how to proceed with these configurations? :)

I believe the white one is for personal use.

The (new) dark is the newest teams for organizations.

The (classic) dark is the old teams for organizations.